SPM Science Paper 2 - Set 1

SULIT

 

 

JABATAN PEPERIKSAAN
PANDAI EDUCATION

 

 

SIJIL PELAJARAN MALAYSIA 2024

SAINS

1511/2

Kertas 2 (Set 1)

2 jam 30 minit

 
 

JANGAN BUKA KERTAS PEPERIKSAAN INI SEHINGGA DIBERITAHU

 

  1.  Kertas peperiksaan ini mengandungi tiga bahagian: Bahagian A, Bahagian B dan Bahagian C.
     
  2. Jawapan hendaklah ditulis pada ruang jawapan yang disediakan di dalam kertas peperiksaan ini.
     
  3. Kertas peperiksaan ini adalah dalam dwibahasa.
     
  4. Jawapan boleh ditulis dalam bahasa Melayu atau bahasa Inggeris.
     
  5. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.
     
  6. Kerja mengira anda mesti ditunjukkan.
     
  7. Kertas peperiksaan ini hendaklah diserahkan kepada pengawas peperiksaan pada akhir peperiksaan.

 

Untuk Kegunaan Pemeriksa
Bahagian Soalan Markah Penuh Markah Diperoleh
A 1 5  
2 5  
3 5  
4 5  
B 5 6  
6 6  
7 6  
8 6  
9 7  
10 7  
C 11 10  
12 12  
13 12  
Jumlah 80  

 

 

 

Kertas peperiksaan ini mengandungi 24 halaman bercetak.
 
SULIT 2 1511/2
     

Bahagian A

Section A

 
[ 20 markah ]
[ 20 marks ]
 
Arahan: Jawab semua soalan dalam bahagian ini.
Instruction: Answer all questions in this section.
 
SOALAN 1
 
Jadual 1 menunjukkan kadar denyutan nadi rehat murid perempuan dan murid lelaki di dalam satu eksperimen yang dijalankan untuk mengetahui perbezaan kadar denyutan nadi rehat berdasarkan jantina.
Table 1 shows the resting pulse rates of a female student and a male student in an experiment conducted to study the differences in resting pulse rates based on sex.
 

Jantina

Sex

Kadar Denyutan Nadi

Pulse Rate

 

Murid 1

Student 1

Murid 2

Student 2

Murid 3

Student 3

Lelaki

Male

73 72 70

Perempuan

Female

75 78 77

Jadual 1

Table 1

 
(a)   Nyatakan pemboleh ubah di dalam eksperimen.
    Provide the variables in this experiment.
     
    (i)   Pemboleh ubah bergerak balas
        Responding variable
         
        ......................................................................................................................................................................................................................................................................................................................
         
    (ii)   Pemboleh ubah dimanipulasikan
        Manipulated variable
         
        ......................................................................................................................................................................................................................................................................................................................
[ 2 markah / 2 marks ]
 
SULIT 3 1511/2
     
(b)   Berikan satu hipotesis bagi eksperimen ini.
    Provide a hypothesis for the experiment.
     
    .................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(c)   Apakah jangkaan kadar denyutan nadi murid perempuan selepas berlari selama 10 minit pada waktu kelas Pendidikan Jasmani?
    What is the predicted pulse rate of a female student after running for ten minutes during a Pendidikan Jasmani class?
     
    .................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Berikan satu contoh aktiviti yang dapat meningkatkan kadar denyutan nadi.
    Give one example activity that can increase the pulse rate
     
    .................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 4 1511/2
     
SOALAN 2
 
Rajah 1 menggambarkan persediaan eksperimen yang bertujuan untuk memeriksa korelasi antara jisim dan inersia.
Diagram 1 depicts an experimental setup aimed at examining the correlation between mass and inertia.
Rajah 1 / Diagram 1
 
Jadual 2 merekodkan keputusan yang diperolehi.
Table 2 records the results obtained.
 

Jisim plastisin (g)

Mass of plasticine (g)

30 40 50 60 70

Masa untuk 10 ayunan (s)

Time for 10 oscillations (s)

4.0 4.8 5.5 6.2 6.6
 
Jadual 2 / Table 2
 
(a)   Di dalam eksperimen ini, apakah faktor yang telah diubah?
    In this experiment, what is the factor being changed?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 5 1511/2
     
(b)   Plot graf masa untuk 10 ayunan melawan jisim menggunakan data yang dibentangkan dalam Jadual 2.
    Plot a graph of time taken for 10 oscillations against mass using the data presented in Table 2.
   
    [ 2 markah / 2 marks ]
     
(c)   Gunakan graf untuk membuat ramalan bagi masa yang diperlukan untuk \(10\) ayunan jika jisim plastisin meningkat kepada \(80\text{ g}\)..
    Using the graph to make a prediction for the time required for \(10\) oscillations if the mass of plasticine is increased to \(80\text{ g}\).
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Apakah sebab trak treler memerlukan lebih banyak jarak untuk berhenti sepenuhnya daripada kereta, dengan mengandaikan kedua-dua pemandu menggunakan brek secara tiba-tiba pada halaju yang sama?
    What is the reason for a trailer truck requiring more distance to come to a complete stop than a car, assuming both drivers apply the brakes abruptly at the same velocity?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 6 1511/2
     
SOALAN 3
 
Satu eksperimen telah dijalankan oleh sekumpulan pelajar untuk menyiasat kesan kekurangan nutrien terhadap pertumbuhan anak benih jagung.
An experiment was conducted by a group of students to investigate the impact of nutrient deficiency on the growth of corn seedlings.
 
Keputusan yang diperolehi selepas satu minggu ditunjukkan dalam Rajah 2.
The results obtained after one week are shown in Diagram 2.
Rajah 2 / Diagram 2
 
(a)   Berikan hipotesis untuk eksperimen ini.
    Provide a hypothesis for this experiment.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Berikan definisi secara operasi bagi larutan kultur lengkap.
    Provide the operational definition of complete culture solution.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 7 1511/2
     
(c)   Sila tandakan (√) elemen yang tergolong dalam kumpulan yang sama seperti fosforus daripada pilihan yang disediakan di bawah.
    Please tick (√) the element that belongs to the same group as phosphorus from the options provided below.
     
   

Zink

Zinc

 

 

Kalium

Potassium

 

 

     
    [ 1 markah / 1 mark ]
     
(d)   Sekiranya larutan kultur kekurangan fosforus digantikan dengan larutan kultur yang lengkap dan eksperimen dijalankan selama dua minggu, apakah keadaan benih jagung Q?
    If the culture solution lacking phosphorus is replaced with a complete culture solution and the experiment is conducted for two weeks, what would be the condition of corn seedling Q?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(e)   Penambahan fosforus, nitrat dalam bentuk ion nitrogen diperlukan untuk pertumbuhan yang sihat. Untuk meningkatkan kesuburan tanahnya, seorang petani berusaha secara semula jadi memperkenalkan sumber nitrat ke tanah ladangnya. Apakah tumbuhan yang sesuai untuk penanaman?
    In addition to phosphorus, nitrates in the form of nitrogen ions are necessary for healthy growth. To improve the fertility of his soil, a farmer seeks to naturally introduce a source of nitrates to his farmland. What is the plant suitable for planting?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 8 1511/2
     
SOALAN 4
 
Rajah 3.1 dan 3.2 menggambarkan eksperimen yang bertujuan untuk menyiasat pembentukan imej dengan menggunakan kanta cembung dan cekung.
Diagram 3.1 and 3.2 depicts an experiment aimed at investigating the formation of images by using convex and concave lenses.
Rajah 3.1 / Diagram 3.1
Rajah 3.2 / Diagram 3.2
 
(a)   Sila isikan bahagian rajah sinar yang hilang dalam rajah 3.1 untuk menggambarkan bagaimana kanta cekung membentuk imej.
    Please fill in the missing parts of the ray diagram in diagram 3.1 to illustrate how concave lenses form images.
    [ 2 markah / 2 marks ]
     
 
SULIT 9 1511/2
     
(b)   Berdasarkan rajah 3.2, ukur dan tulis jarak imej.
    Based on diagram 3.2, measure and write the image distance.
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(c)   Apakah pemboleh ubah yang dimanipulasi dalam eksperimen ini?
    What is the manipulated variable in this experiment?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Jenis kanta manakah yang membolehkan seseorang melihat lebah lebih kecil daripada saiz sebenar?
    Which type of lens would allow one to view a bee as appearing smaller than its true size?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
 
SULIT 10 1511/2
     

Bahagian B

Section B

 
[ 38 markah ]
[ 38 marks ]
 
Arahan: Jawab semua soalan dalam bahagian ini.
Instruction: Answer all questions in this section.
 
SOALAN 5
 
Rajah 4 menunjukkan sistem badan bagi seorang lelaki.
Diagram 4 shows a body system of a male.
Rajah 4 / Diagram 4
 
(a)   Apakah sistem badan yang ditunjukkan dalam Rajah 4?
    What is the body system shown in Diagram 4?
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   P merembeskan kurang hormon. Apakah yang akan berlaku kepada badannya?
    P secretes less hormones. What will happen to the body?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 11 1511/2
     
(c)   Namakan bahagian berlabel yang kurang aktif sehingga lelaki tersebut mencapai akil baligh.
    Name the labelled part which is less active until the man reach puberty.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Nyatakan satu fungsi bagi bahagian yang dinyatakan di 1(c) dalam sistem badan ini.
    State a function of the part mentioned in 1(c) in this body system.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(e)   Sekiranya bahagian berlabel Q dikeluarkan, apakah yang akan terjadi kepada lelaki tersebut? Jelaskan.
    If the part labelled Q is removed, what will happen to the man? Explain.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
 
SULIT 12 1511/2
     
SOALAN 6
 
Rajah 5.1 dan Rajah 5.2 menunjukkan aktiviti-aktiviti dalam sektor pertanian dan perhutanan.
Diagram 5.1 and Diagram 5.2 show the activities in agriculture and forestry sectors.
 
Rajah 5.1 / Diagram 5.1 Rajah 5.2 / Diagram 5.2
 
(a)   Berdasarkan rajah 5.1, nyatakan satu faktor yang menyumbang kepada isu sosiosaintifik
    Based on Diagram 5.1, state one factor that contribute to the sosiocientific issue.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Cadangkan dua kaedah teknologi hijau yang boleh menyelesaikan masalah yang dihadapi pada Rajah 5.1.
    Suggest two green technology methods that can solve the problems in Diagram 5.1
     
    1. ................................................................................................................................................................................................................................................................................................................................
    2. ................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
 
SULIT 13 1511/2
     
(c)   (i)   Berdasarkan Rajah 5.2, apakah kesan jangka panjang kepada alam sekitar sekiranya aktiviti tersebut dijalankan secara berleluasa?
        Based on Diagram 5.2, what is the long-term effect on the environment if the activity is carried out on a large scale?
         
        ......................................................................................................................................................................................................................................................................................................................
        [ 1 markah / 1 mark ]
         
    (ii)   Namakan gas yang menjadi penyumbang utama kepada kesan yang dinyatakan dalam 5(c)(i) dan satu cara untuk mengatasi masalah tersebut.
        Name the major gas that contributes to the effect stated in 5(c)(i) and one way to solve the problem.
         
        Gas / gas : ...................................................................................................................................................................................................................................................................................................
        Cara mengatasi / Problem solving : .............................................................................................................................................................................................................................................................
                                                                 .............................................................................................................................................................................................................................................................
        [ 2 markah / 2 marks ]
         
 
SULIT 14 1511/2
     
SOALAN 7
 
Jadual 3 menunjukkan jisim badan, ketinggian dan Indeks Jisim Badan (BMI) bagi tiga orang murid.
Table 3 shows the body mass, height and Body Mass Index (BMI) of three students.
 

Murid

Student

Jisim badan (kg)

Body mass (kg)

Ketinggian (m)

Height (m)

Indeks jisim badan (\(\text{kg m}^{-2}\))

Body mass index (\(\text{kg m}^{-2}\))

Ali 69 1.68 24.4
Halim 39 1.55 16.2
Chong 78 1.63 ................................................
 
Jadual 3 / Table 3
 
(a)   Nyatakan maksud bagi Indeks Jisim Badan (BMI).
    State the meaning of Body Mass Index (BMI).
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Ali terletak dalam kategori Jisim badan unggul mengikut Carta Indek Jisim Badan. Apakah kategori bagi Halim?
    Ali is in the category of ideal body mass according to the Body Mass Index Chart. What is the category for Halim?
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(c)   Lengkapkan Jadual dengan mengira Indeks Jisim Badan (BMI) bagi Chong.
    Complete the Table by calculating the Body Mass Index (BMI) for Chong.
     
    \(\LARGE\text{BMI} ={ \text{Jisim badan (kg)} \over {(Ketinggian)} ^{2} {(m}^2\text{)}}\) / \(\LARGE\text{BMI} ={ \text{Body mass (kg)} \over {(Height)} ^{2} {(m}^2\text{)}}\)
     
     
   

 

 

 

 

 

    [ 2 markah / 2 marks ]
     
(d)   Murid manakah yang berlebihan jisim badan?
    Which student is overweight?
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(e)   Cadangkan satu penyelesaian yang sesuai yang boleh dilakukan oleh murid yang anda nyatakan pada soalan 5(d) untuk mencapai berat badan ideal.
    Suggest an appropriate solution that the student you mentioned in question 5(d) can do to achieve an ideal body weight.
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 15 1511/2
     
SOALAN 8
 
Rajah 6 menunjukkan penghasilan ammonia dalam industri.
Diagram 6 shows the production of ammonia in industry.
Rajah 6 / Diagram 6
 
(a)   Apakah nama proses pada Rajah 6?
    What is the name of the process as shown in Diagram 6?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Nyatakan gas X.
    State gas X
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 16 1511/2
     
(c)   Kilang 1 menggunakan mangkin besi manakala kilang 2 tidak menggunakan mangkin besi dalam menghasilkan ammonia. Kilang yang manakah dapat menghasilkan ammonia yang banyak mengikut masa yang ditetapkan? Berikan justifikasi anda.
    Factory 1 uses iron catalyst while Factory 2 does not us iron catalyst in producing ammonia. Which factory can produce a lot of ammonia in a set time? Give your justification.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ...................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
(d)   (i)   Apakah suhu yang optimum bagi tindak balas ini?
        What is the optimum temperature for this reaction?
         
        .......................................................................................................................................................................................................................................................................................................................
        [ 1 markah / 1 mark ]
         
    (ii)   Terangkan mengapa suhu di bawah optimum tidak sesuai bagi tindak balas ini.
       

Explain why the temperature below the optimum temperature is not suitable for this reaction.

         
        .......................................................................................................................................................................................................................................................................................................................
        [ 1 markah / 1 mark ]
         
 
SULIT 17 1511/2
     
SOALAN 9
 
Rajah 7 menunjukkan dua jenis kerusi yang dicadangkan untuk digunakan di makmal sekolah.
Diagram 7 shows two types of chairs proposed for use in the school laboratory.
   
Kerusi A / Chair A Kerusi B / Chair B
Rajah 7 / Diagram 7
 
(a)   Nyatakan satu faktor yang mempengaruhi kestabilan objek.
    State one factor that affects the stability of an object.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Cadangkan satu cara untuk menambahkan kestabilan kerusi A.
    Suggest one way to increase the stability of chair A.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 18 1511/2
     
(c)   Pelajar SMK Bulan Bintang diminta memilih kerusi yang sesuai digunakan di makmal sekolah, dan kebanyakan mereka memilih kerusi B. Pada pendapat anda, apakah kelebihan dan kekurangan jika kerusi B dipilih?
    SMK Bulan Bintang students were asked to choose a suitable chair to use in the school laboratory, and most of them chose the B chair. In your opinion, what are the advantages and disadvantages if chair B is chosen?
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
(d)   Kapal kertas dalam rajah di bawah terbalik semasa diletakkan di atas air. Anda dibekalkan dua kiub polisterin kecil, sebatang lidi dan pita selofan untuk menjadikan kapal tersebut lebih stabil. Lakarkan rekaan anda beserta label dan terangkan bagaimana rekaan anda berfungsi.
    The paper ship in the figure below overturns when placed on water. You are provided with two small polystyrene cubes, a skewer and cellophane tape to make the ship more stable. Sketch your design with labels and explain how your design works.
     
   
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [ 3 markah / 3 marks ]
 
SULIT 19 1511/2
     
SOALAN 10
 
Rajah 8 memperlihatkan susunan peralatan untuk proses elektrolisis.
The arrangement of equipment for an electrolysis process is illustrated in Diagram 8.
Rajah 8 / Diagram 8
 
(a)   Berdasarkan Rajah 8 di atas
    Based on Diagram 8 above
     
    (i)   Logam yang manakah katod?
        Which metal is cathode?
         
        ......................................................................................................................................................................................................................................................................................................................
         
    (ii)   Apakah yang terjadi kepada anod selepas lima minit?
        What happened to the anode after five minutes?
         
        ......................................................................................................................................................................................................................................................................................................................
        [ 2 markah / 2 mark ]
 
SULIT 20 1511/2
     
(b)   Makmal sains mempunyai spatula besi berkarat. Apakah kaedah saintifik yang boleh digunakan untuk menyelesaikan masalah ini? Sila berikan justifikasi untuk jawapan anda.
    The science laboratory has rusty iron spatulas. What scientific method can be employed to solve this issue? Please provide a justification for your response.
     
    ...................................................................................................................................................................................................................................................................................................................................
    ...................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
(c)   Logam tulen boleh diperoleh daripada logam tidak tulen dengan menggunakan proses elektrolisis. Anda telah diberi jalur argentum yang tidak tulen, jalur argentum tulen, bikar, larutan argentum nitrat, wayar, ammeter, dan bateri. Buat gambar rajah berlabel di bawah untuk menggambarkan sel elektrolitik yang direka untuk mengekstrak argentum tulen daripada argentum yang tidak tulen.
    Pure metal can be obtained from impure metal by using the process of electrolysis. You have been given an impure argentum strip, a pure argentum strip, a beaker, argentum nitrate solution, wires, an ammeter, and a battery. Create a labeled diagram below to illustrate the electrolytic cell designed to extract pure argentum from the impure argentum.
     
   

 

 

 

 

 

 

 

 

 

 

 

    [ 3 markah / 3 marks ]
     
 
SULIT 21 1511/2
     

Bahagian C

Section C

 
[ 22 markah ]
[ 22 marks ]
 
Arahan: Jawab soalan 11 dan sama ada soalan 12 atau soalan 13.
Instruction: Answer question 11 and either question 12 or question 13.
 
SOALAN 11
 
Berdasarkan gambar kaji perbualan di bawah.
Based on the picture, study the conversation below.
Rajah 9 / Diagram 9
 
(a)   Berdasarkan gambar, nyatakan masalah daripada perbualan.
    Based on the picture, state the problem statement from the conversation.
    [ 1 markah / 1 mark ]
     
(b)   Nyatakan hipotesis daripada perbualan berikut.
    State a hypothesis from the conversation.
    [ 1 markah / 1 mark ]
     
     
 
SULIT 22 1511/2
     
(c)   Cadangkan satu eksperimen untuk menyiasat kesan kepekatan antibiotik ke atas pertumbuhan bakteria dengan menggunakan agar-agar nutrien, kultur bakteria, cawan petri dengan kepekatan antibiotik yang tinggi dan rendah, serta pita selofan. Maklumat perbualan menjadi asas cadangan ini.
    Suggest an experiment to investigate the effect of antibiotic concentration on bacterial growth using nutrient agar, bacterial culture, Petri dishes with high and low concentrations of antibiotics and cellophane tape. Conversational information forms the basis of this recommendation.
 
Huraian anda haruslah mengandungi kriteria yang berikut:
Your description must include the following criteria:
 
(i)   Tujuan eksperimen
    Aim of the experiment
    [ 1 markah / 1 mark ]
     
(ii)   Mengenal pasti pemboleh ubah
    Identification of variables
    [ 1 markah / 1 mark ]
     
(iii)   Prosedur atau kaedah
    Procedure or method
    [ 4 markah / 1 mark ]
     
(iv)   Penjadualan data
    Tabulation of data
    [ 2 markah / 1 mark ]
     
 
SULIT 23 1511/2
     
SOALAN 12  
   
(a)   Nyatakan dua kaedah perubatan yang diamalkan pada masa kini.  
    State two method of medicine currently in practice  
    [ 2 markah / 2 marks ]  
       
(b)   Ubat tradisional ialah ubat yang diperolehi daripada sumber semula jadi. Terangkan bagaimana penggunaan ubat tradisional dapat membantu merawat penyakit dengan memberikan satu contoh yang sesuai, yang diperolehi daripada sumber semula jadi seperti tumbuhan dan haiwan tanpa diproses secara kimia.  
    Traditional medicine is medicine obtained from natural sources. Explain how the use of traditional medicine can help treat diseases with provide a suitable example, obtained from a natural source such as plants and animals without being chemically processed.  
    [ 2 markah / 2 marks ]  
       
(c)   Rajah 10.1 dan Rajah 10.2 menunjukkan contoh ubat buatan manusia dan ubat daripada sumber semula jadi.  
    Diagram 10.1 and Diagram 10.2 shows examples of man-made medicine and medicine from natural resources.  
   
Rajah 10.1 / Diagram 10.1 Rajah 10.2 / Diagram 10.2
 
       
    Banding dan bezakan ciri-ciri antara Rajah 10.1 dan Rajah 10.2  
    Compare and contrast the properties between Diagram 10.1 and Diagram 10.2  
    [ 4 markah / 4 marks ]  
       
(d)   Pada masa kini, terdapat banyak produk kesihatan yang dihasilkan dan dijual di pasaran tempatan. Produk-produk kesihatan ini mendapat permintaan yang tinggi daripada orang ramai. Wajarkah penggunaan produk kesihatan ini di Malaysia.  
    Nowadays, there are many health products produced and sold in the local market. These health products are in high demand from the public. Is it appropriate to use this health product in Malaysia?  
    [ 4 markah / 4 marks ]  
       
 
SULIT 24 1511/2
     
SOALAN 13
 
Semua makhluk hidup boleh terjejas dengan adanya pencemaran alam sekitar. Rajah 11 pula memaparkan beberapa contoh jenis pencemaran alam sekitar yang sering berlaku. 
All living things are affected by environmental pollution. Figure 11 shows some examples of the types of environmental pollution that often occur.
Rajah 11 / Diagram 11
 
(a)   Nyatakan dua contoh lain jenis pencemaran alam sekitar.
    State another two examples of the type of environmental pollution.
    [ 2 markah / 2 marks ]
     
(b)  

Eutrofikasi adalah respon ekosistem terhadap penigkatan ion fostfat dan ion nitrat yang terkandung di dalam bahan detergen atau sampah di dalam ekosistem akuatik.

Eutrophication is the ecosystem response towards an increase of phosphate ions and nitrate ions from detergents, fertilisers or garbage in an aquatic ecosystem.

     
    Berikan dua kesan negatif dari eutrofikasi?
    Give two negative effects of eutrophication?
    [ 2 markah / 2 marks ]
     
(c)  

Kawasan

Area

Bacaan Indeks Pencemaran Udara (IPU)

Reading of Air Pollution Index (API)

Taman Merdeka 153
Taman Sri Naning 72
Taman Merak 80
Taman Muzaffar 165
    Jadual 4 / Table 4
     
    Parameter Pencemaran Udara (IPU) digunakan untuk menentukan tahap pencemaran udara. Menurut Jadual 3, kawasan manakah yang paling tercemar? Apa penyebab utama kawasan itu paling tercemar menurut pendapat anda?
    Air Pollution Parameters (IPU) are used to determine the level of air pollution. According to Table 3, which area is the most polluted? What is the main cause of the most polluted area in your opinion?
    [ 4 markah / 4 marks ]
     
(d)   Pada tahun 2022, cadangan telah dibuat oleh kerajaan untuk menambah lokasi tapak pelupusan sampah di kawasan tertentu. Adakah anda bersetuju dengan cadangan tersebut? Sila berikan justifikasi bagi jawapan anda.
    In 2022, a proposal has been made by the government to add more locations landfills in certain areas. Do you agree with the proposal? Please provide a justification for your answer.
    [ 4 markah / 4 marks ]
     

 

 

 

 

 

 

 

 KERTAS PEPERIKSAAN TAMAT

 

SPM Science Paper 2 - Set 1

SULIT

 

 

JABATAN PEPERIKSAAN
PANDAI EDUCATION

 

 

SIJIL PELAJARAN MALAYSIA 2024

SAINS

1511/2

Kertas 2 (Set 1)

2 jam 30 minit

 
 

JANGAN BUKA KERTAS PEPERIKSAAN INI SEHINGGA DIBERITAHU

 

  1.  Kertas peperiksaan ini mengandungi tiga bahagian: Bahagian A, Bahagian B dan Bahagian C.
     
  2. Jawapan hendaklah ditulis pada ruang jawapan yang disediakan di dalam kertas peperiksaan ini.
     
  3. Kertas peperiksaan ini adalah dalam dwibahasa.
     
  4. Jawapan boleh ditulis dalam bahasa Melayu atau bahasa Inggeris.
     
  5. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.
     
  6. Kerja mengira anda mesti ditunjukkan.
     
  7. Kertas peperiksaan ini hendaklah diserahkan kepada pengawas peperiksaan pada akhir peperiksaan.

 

Untuk Kegunaan Pemeriksa
Bahagian Soalan Markah Penuh Markah Diperoleh
A 1 5  
2 5  
3 5  
4 5  
B 5 6  
6 6  
7 6  
8 6  
9 7  
10 7  
C 11 10  
12 12  
13 12  
Jumlah 80  

 

 

 

Kertas peperiksaan ini mengandungi 24 halaman bercetak.
 
SULIT 2 1511/2
     

Bahagian A

Section A

 
[ 20 markah ]
[ 20 marks ]
 
Arahan: Jawab semua soalan dalam bahagian ini.
Instruction: Answer all questions in this section.
 
SOALAN 1
 
Jadual 1 menunjukkan kadar denyutan nadi rehat murid perempuan dan murid lelaki di dalam satu eksperimen yang dijalankan untuk mengetahui perbezaan kadar denyutan nadi rehat berdasarkan jantina.
Table 1 shows the resting pulse rates of a female student and a male student in an experiment conducted to study the differences in resting pulse rates based on sex.
 

Jantina

Sex

Kadar Denyutan Nadi

Pulse Rate

 

Murid 1

Student 1

Murid 2

Student 2

Murid 3

Student 3

Lelaki

Male

73 72 70

Perempuan

Female

75 78 77

Jadual 1

Table 1

 
(a)   Nyatakan pemboleh ubah di dalam eksperimen.
    Provide the variables in this experiment.
     
    (i)   Pemboleh ubah bergerak balas
        Responding variable
         
        ......................................................................................................................................................................................................................................................................................................................
         
    (ii)   Pemboleh ubah dimanipulasikan
        Manipulated variable
         
        ......................................................................................................................................................................................................................................................................................................................
[ 2 markah / 2 marks ]
 
SULIT 3 1511/2
     
(b)   Berikan satu hipotesis bagi eksperimen ini.
    Provide a hypothesis for the experiment.
     
    .................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(c)   Apakah jangkaan kadar denyutan nadi murid perempuan selepas berlari selama 10 minit pada waktu kelas Pendidikan Jasmani?
    What is the predicted pulse rate of a female student after running for ten minutes during a Pendidikan Jasmani class?
     
    .................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Berikan satu contoh aktiviti yang dapat meningkatkan kadar denyutan nadi.
    Give one example activity that can increase the pulse rate
     
    .................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 4 1511/2
     
SOALAN 2
 
Rajah 1 menggambarkan persediaan eksperimen yang bertujuan untuk memeriksa korelasi antara jisim dan inersia.
Diagram 1 depicts an experimental setup aimed at examining the correlation between mass and inertia.
Rajah 1 / Diagram 1
 
Jadual 2 merekodkan keputusan yang diperolehi.
Table 2 records the results obtained.
 

Jisim plastisin (g)

Mass of plasticine (g)

30 40 50 60 70

Masa untuk 10 ayunan (s)

Time for 10 oscillations (s)

4.0 4.8 5.5 6.2 6.6
 
Jadual 2 / Table 2
 
(a)   Di dalam eksperimen ini, apakah faktor yang telah diubah?
    In this experiment, what is the factor being changed?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 5 1511/2
     
(b)   Plot graf masa untuk 10 ayunan melawan jisim menggunakan data yang dibentangkan dalam Jadual 2.
    Plot a graph of time taken for 10 oscillations against mass using the data presented in Table 2.
   
    [ 2 markah / 2 marks ]
     
(c)   Gunakan graf untuk membuat ramalan bagi masa yang diperlukan untuk \(10\) ayunan jika jisim plastisin meningkat kepada \(80\text{ g}\)..
    Using the graph to make a prediction for the time required for \(10\) oscillations if the mass of plasticine is increased to \(80\text{ g}\).
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Apakah sebab trak treler memerlukan lebih banyak jarak untuk berhenti sepenuhnya daripada kereta, dengan mengandaikan kedua-dua pemandu menggunakan brek secara tiba-tiba pada halaju yang sama?
    What is the reason for a trailer truck requiring more distance to come to a complete stop than a car, assuming both drivers apply the brakes abruptly at the same velocity?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 6 1511/2
     
SOALAN 3
 
Satu eksperimen telah dijalankan oleh sekumpulan pelajar untuk menyiasat kesan kekurangan nutrien terhadap pertumbuhan anak benih jagung.
An experiment was conducted by a group of students to investigate the impact of nutrient deficiency on the growth of corn seedlings.
 
Keputusan yang diperolehi selepas satu minggu ditunjukkan dalam Rajah 2.
The results obtained after one week are shown in Diagram 2.
Rajah 2 / Diagram 2
 
(a)   Berikan hipotesis untuk eksperimen ini.
    Provide a hypothesis for this experiment.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Berikan definisi secara operasi bagi larutan kultur lengkap.
    Provide the operational definition of complete culture solution.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 7 1511/2
     
(c)   Sila tandakan (√) elemen yang tergolong dalam kumpulan yang sama seperti fosforus daripada pilihan yang disediakan di bawah.
    Please tick (√) the element that belongs to the same group as phosphorus from the options provided below.
     
   

Zink

Zinc

 

 

Kalium

Potassium

 

 

     
    [ 1 markah / 1 mark ]
     
(d)   Sekiranya larutan kultur kekurangan fosforus digantikan dengan larutan kultur yang lengkap dan eksperimen dijalankan selama dua minggu, apakah keadaan benih jagung Q?
    If the culture solution lacking phosphorus is replaced with a complete culture solution and the experiment is conducted for two weeks, what would be the condition of corn seedling Q?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(e)   Penambahan fosforus, nitrat dalam bentuk ion nitrogen diperlukan untuk pertumbuhan yang sihat. Untuk meningkatkan kesuburan tanahnya, seorang petani berusaha secara semula jadi memperkenalkan sumber nitrat ke tanah ladangnya. Apakah tumbuhan yang sesuai untuk penanaman?
    In addition to phosphorus, nitrates in the form of nitrogen ions are necessary for healthy growth. To improve the fertility of his soil, a farmer seeks to naturally introduce a source of nitrates to his farmland. What is the plant suitable for planting?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 8 1511/2
     
SOALAN 4
 
Rajah 3.1 dan 3.2 menggambarkan eksperimen yang bertujuan untuk menyiasat pembentukan imej dengan menggunakan kanta cembung dan cekung.
Diagram 3.1 and 3.2 depicts an experiment aimed at investigating the formation of images by using convex and concave lenses.
Rajah 3.1 / Diagram 3.1
Rajah 3.2 / Diagram 3.2
 
(a)   Sila isikan bahagian rajah sinar yang hilang dalam rajah 3.1 untuk menggambarkan bagaimana kanta cekung membentuk imej.
    Please fill in the missing parts of the ray diagram in diagram 3.1 to illustrate how concave lenses form images.
    [ 2 markah / 2 marks ]
     
 
SULIT 9 1511/2
     
(b)   Berdasarkan rajah 3.2, ukur dan tulis jarak imej.
    Based on diagram 3.2, measure and write the image distance.
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(c)   Apakah pemboleh ubah yang dimanipulasi dalam eksperimen ini?
    What is the manipulated variable in this experiment?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Jenis kanta manakah yang membolehkan seseorang melihat lebah lebih kecil daripada saiz sebenar?
    Which type of lens would allow one to view a bee as appearing smaller than its true size?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
 
SULIT 10 1511/2
     

Bahagian B

Section B

 
[ 38 markah ]
[ 38 marks ]
 
Arahan: Jawab semua soalan dalam bahagian ini.
Instruction: Answer all questions in this section.
 
SOALAN 5
 
Rajah 4 menunjukkan sistem badan bagi seorang lelaki.
Diagram 4 shows a body system of a male.
Rajah 4 / Diagram 4
 
(a)   Apakah sistem badan yang ditunjukkan dalam Rajah 4?
    What is the body system shown in Diagram 4?
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   P merembeskan kurang hormon. Apakah yang akan berlaku kepada badannya?
    P secretes less hormones. What will happen to the body?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 11 1511/2
     
(c)   Namakan bahagian berlabel yang kurang aktif sehingga lelaki tersebut mencapai akil baligh.
    Name the labelled part which is less active until the man reach puberty.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(d)   Nyatakan satu fungsi bagi bahagian yang dinyatakan di 1(c) dalam sistem badan ini.
    State a function of the part mentioned in 1(c) in this body system.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(e)   Sekiranya bahagian berlabel Q dikeluarkan, apakah yang akan terjadi kepada lelaki tersebut? Jelaskan.
    If the part labelled Q is removed, what will happen to the man? Explain.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
 
SULIT 12 1511/2
     
SOALAN 6
 
Rajah 5.1 dan Rajah 5.2 menunjukkan aktiviti-aktiviti dalam sektor pertanian dan perhutanan.
Diagram 5.1 and Diagram 5.2 show the activities in agriculture and forestry sectors.
 
Rajah 5.1 / Diagram 5.1 Rajah 5.2 / Diagram 5.2
 
(a)   Berdasarkan rajah 5.1, nyatakan satu faktor yang menyumbang kepada isu sosiosaintifik
    Based on Diagram 5.1, state one factor that contribute to the sosiocientific issue.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Cadangkan dua kaedah teknologi hijau yang boleh menyelesaikan masalah yang dihadapi pada Rajah 5.1.
    Suggest two green technology methods that can solve the problems in Diagram 5.1
     
    1. ................................................................................................................................................................................................................................................................................................................................
    2. ................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
 
SULIT 13 1511/2
     
(c)   (i)   Berdasarkan Rajah 5.2, apakah kesan jangka panjang kepada alam sekitar sekiranya aktiviti tersebut dijalankan secara berleluasa?
        Based on Diagram 5.2, what is the long-term effect on the environment if the activity is carried out on a large scale?
         
        ......................................................................................................................................................................................................................................................................................................................
        [ 1 markah / 1 mark ]
         
    (ii)   Namakan gas yang menjadi penyumbang utama kepada kesan yang dinyatakan dalam 5(c)(i) dan satu cara untuk mengatasi masalah tersebut.
        Name the major gas that contributes to the effect stated in 5(c)(i) and one way to solve the problem.
         
        Gas / gas : ...................................................................................................................................................................................................................................................................................................
        Cara mengatasi / Problem solving : .............................................................................................................................................................................................................................................................
                                                                 .............................................................................................................................................................................................................................................................
        [ 2 markah / 2 marks ]
         
 
SULIT 14 1511/2
     
SOALAN 7
 
Jadual 3 menunjukkan jisim badan, ketinggian dan Indeks Jisim Badan (BMI) bagi tiga orang murid.
Table 3 shows the body mass, height and Body Mass Index (BMI) of three students.
 

Murid

Student

Jisim badan (kg)

Body mass (kg)

Ketinggian (m)

Height (m)

Indeks jisim badan (\(\text{kg m}^{-2}\))

Body mass index (\(\text{kg m}^{-2}\))

Ali 69 1.68 24.4
Halim 39 1.55 16.2
Chong 78 1.63 ................................................
 
Jadual 3 / Table 3
 
(a)   Nyatakan maksud bagi Indeks Jisim Badan (BMI).
    State the meaning of Body Mass Index (BMI).
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Ali terletak dalam kategori Jisim badan unggul mengikut Carta Indek Jisim Badan. Apakah kategori bagi Halim?
    Ali is in the category of ideal body mass according to the Body Mass Index Chart. What is the category for Halim?
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(c)   Lengkapkan Jadual dengan mengira Indeks Jisim Badan (BMI) bagi Chong.
    Complete the Table by calculating the Body Mass Index (BMI) for Chong.
     
    \(\LARGE\text{BMI} ={ \text{Jisim badan (kg)} \over {(Ketinggian)} ^{2} {(m}^2\text{)}}\) / \(\LARGE\text{BMI} ={ \text{Body mass (kg)} \over {(Height)} ^{2} {(m}^2\text{)}}\)
     
     
   

 

 

 

 

 

    [ 2 markah / 2 marks ]
     
(d)   Murid manakah yang berlebihan jisim badan?
    Which student is overweight?
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(e)   Cadangkan satu penyelesaian yang sesuai yang boleh dilakukan oleh murid yang anda nyatakan pada soalan 5(d) untuk mencapai berat badan ideal.
    Suggest an appropriate solution that the student you mentioned in question 5(d) can do to achieve an ideal body weight.
     
    ...................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 15 1511/2
     
SOALAN 8
 
Rajah 6 menunjukkan penghasilan ammonia dalam industri.
Diagram 6 shows the production of ammonia in industry.
Rajah 6 / Diagram 6
 
(a)   Apakah nama proses pada Rajah 6?
    What is the name of the process as shown in Diagram 6?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Nyatakan gas X.
    State gas X
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 16 1511/2
     
(c)   Kilang 1 menggunakan mangkin besi manakala kilang 2 tidak menggunakan mangkin besi dalam menghasilkan ammonia. Kilang yang manakah dapat menghasilkan ammonia yang banyak mengikut masa yang ditetapkan? Berikan justifikasi anda.
    Factory 1 uses iron catalyst while Factory 2 does not us iron catalyst in producing ammonia. Which factory can produce a lot of ammonia in a set time? Give your justification.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ...................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
(d)   (i)   Apakah suhu yang optimum bagi tindak balas ini?
        What is the optimum temperature for this reaction?
         
        .......................................................................................................................................................................................................................................................................................................................
        [ 1 markah / 1 mark ]
         
    (ii)   Terangkan mengapa suhu di bawah optimum tidak sesuai bagi tindak balas ini.
       

Explain why the temperature below the optimum temperature is not suitable for this reaction.

         
        .......................................................................................................................................................................................................................................................................................................................
        [ 1 markah / 1 mark ]
         
 
SULIT 17 1511/2
     
SOALAN 9
 
Rajah 7 menunjukkan dua jenis kerusi yang dicadangkan untuk digunakan di makmal sekolah.
Diagram 7 shows two types of chairs proposed for use in the school laboratory.
   
Kerusi A / Chair A Kerusi B / Chair B
Rajah 7 / Diagram 7
 
(a)   Nyatakan satu faktor yang mempengaruhi kestabilan objek.
    State one factor that affects the stability of an object.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
(b)   Cadangkan satu cara untuk menambahkan kestabilan kerusi A.
    Suggest one way to increase the stability of chair A.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [ 1 markah / 1 mark ]
     
 
SULIT 18 1511/2
     
(c)   Pelajar SMK Bulan Bintang diminta memilih kerusi yang sesuai digunakan di makmal sekolah, dan kebanyakan mereka memilih kerusi B. Pada pendapat anda, apakah kelebihan dan kekurangan jika kerusi B dipilih?
    SMK Bulan Bintang students were asked to choose a suitable chair to use in the school laboratory, and most of them chose the B chair. In your opinion, what are the advantages and disadvantages if chair B is chosen?
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
(d)   Kapal kertas dalam rajah di bawah terbalik semasa diletakkan di atas air. Anda dibekalkan dua kiub polisterin kecil, sebatang lidi dan pita selofan untuk menjadikan kapal tersebut lebih stabil. Lakarkan rekaan anda beserta label dan terangkan bagaimana rekaan anda berfungsi.
    The paper ship in the figure below overturns when placed on water. You are provided with two small polystyrene cubes, a skewer and cellophane tape to make the ship more stable. Sketch your design with labels and explain how your design works.
     
   
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [ 3 markah / 3 marks ]
 
SULIT 19 1511/2
     
SOALAN 10
 
Rajah 8 memperlihatkan susunan peralatan untuk proses elektrolisis.
The arrangement of equipment for an electrolysis process is illustrated in Diagram 8.
Rajah 8 / Diagram 8
 
(a)   Berdasarkan Rajah 8 di atas
    Based on Diagram 8 above
     
    (i)   Logam yang manakah katod?
        Which metal is cathode?
         
        ......................................................................................................................................................................................................................................................................................................................
         
    (ii)   Apakah yang terjadi kepada anod selepas lima minit?
        What happened to the anode after five minutes?
         
        ......................................................................................................................................................................................................................................................................................................................
        [ 2 markah / 2 mark ]
 
SULIT 20 1511/2
     
(b)   Makmal sains mempunyai spatula besi berkarat. Apakah kaedah saintifik yang boleh digunakan untuk menyelesaikan masalah ini? Sila berikan justifikasi untuk jawapan anda.
    The science laboratory has rusty iron spatulas. What scientific method can be employed to solve this issue? Please provide a justification for your response.
     
    ...................................................................................................................................................................................................................................................................................................................................
    ...................................................................................................................................................................................................................................................................................................................................
    [ 2 markah / 2 marks ]
     
(c)   Logam tulen boleh diperoleh daripada logam tidak tulen dengan menggunakan proses elektrolisis. Anda telah diberi jalur argentum yang tidak tulen, jalur argentum tulen, bikar, larutan argentum nitrat, wayar, ammeter, dan bateri. Buat gambar rajah berlabel di bawah untuk menggambarkan sel elektrolitik yang direka untuk mengekstrak argentum tulen daripada argentum yang tidak tulen.
    Pure metal can be obtained from impure metal by using the process of electrolysis. You have been given an impure argentum strip, a pure argentum strip, a beaker, argentum nitrate solution, wires, an ammeter, and a battery. Create a labeled diagram below to illustrate the electrolytic cell designed to extract pure argentum from the impure argentum.
     
   

 

 

 

 

 

 

 

 

 

 

 

    [ 3 markah / 3 marks ]
     
 
SULIT 21 1511/2
     

Bahagian C

Section C

 
[ 22 markah ]
[ 22 marks ]
 
Arahan: Jawab soalan 11 dan sama ada soalan 12 atau soalan 13.
Instruction: Answer question 11 and either question 12 or question 13.
 
SOALAN 11
 
Berdasarkan gambar kaji perbualan di bawah.
Based on the picture, study the conversation below.
Rajah 9 / Diagram 9
 
(a)   Berdasarkan gambar, nyatakan masalah daripada perbualan.
    Based on the picture, state the problem statement from the conversation.
    [ 1 markah / 1 mark ]
     
(b)   Nyatakan hipotesis daripada perbualan berikut.
    State a hypothesis from the conversation.
    [ 1 markah / 1 mark ]
     
     
 
SULIT 22 1511/2
     
(c)   Cadangkan satu eksperimen untuk menyiasat kesan kepekatan antibiotik ke atas pertumbuhan bakteria dengan menggunakan agar-agar nutrien, kultur bakteria, cawan petri dengan kepekatan antibiotik yang tinggi dan rendah, serta pita selofan. Maklumat perbualan menjadi asas cadangan ini.
    Suggest an experiment to investigate the effect of antibiotic concentration on bacterial growth using nutrient agar, bacterial culture, Petri dishes with high and low concentrations of antibiotics and cellophane tape. Conversational information forms the basis of this recommendation.
 
Huraian anda haruslah mengandungi kriteria yang berikut:
Your description must include the following criteria:
 
(i)   Tujuan eksperimen
    Aim of the experiment
    [ 1 markah / 1 mark ]
     
(ii)   Mengenal pasti pemboleh ubah
    Identification of variables
    [ 1 markah / 1 mark ]
     
(iii)   Prosedur atau kaedah
    Procedure or method
    [ 4 markah / 1 mark ]
     
(iv)   Penjadualan data
    Tabulation of data
    [ 2 markah / 1 mark ]
     
 
SULIT 23 1511/2
     
SOALAN 12  
   
(a)   Nyatakan dua kaedah perubatan yang diamalkan pada masa kini.  
    State two method of medicine currently in practice  
    [ 2 markah / 2 marks ]  
       
(b)   Ubat tradisional ialah ubat yang diperolehi daripada sumber semula jadi. Terangkan bagaimana penggunaan ubat tradisional dapat membantu merawat penyakit dengan memberikan satu contoh yang sesuai, yang diperolehi daripada sumber semula jadi seperti tumbuhan dan haiwan tanpa diproses secara kimia.  
    Traditional medicine is medicine obtained from natural sources. Explain how the use of traditional medicine can help treat diseases with provide a suitable example, obtained from a natural source such as plants and animals without being chemically processed.  
    [ 2 markah / 2 marks ]  
       
(c)   Rajah 10.1 dan Rajah 10.2 menunjukkan contoh ubat buatan manusia dan ubat daripada sumber semula jadi.  
    Diagram 10.1 and Diagram 10.2 shows examples of man-made medicine and medicine from natural resources.  
   
Rajah 10.1 / Diagram 10.1 Rajah 10.2 / Diagram 10.2
 
       
    Banding dan bezakan ciri-ciri antara Rajah 10.1 dan Rajah 10.2  
    Compare and contrast the properties between Diagram 10.1 and Diagram 10.2  
    [ 4 markah / 4 marks ]  
       
(d)   Pada masa kini, terdapat banyak produk kesihatan yang dihasilkan dan dijual di pasaran tempatan. Produk-produk kesihatan ini mendapat permintaan yang tinggi daripada orang ramai. Wajarkah penggunaan produk kesihatan ini di Malaysia.  
    Nowadays, there are many health products produced and sold in the local market. These health products are in high demand from the public. Is it appropriate to use this health product in Malaysia?  
    [ 4 markah / 4 marks ]  
       
 
SULIT 24 1511/2
     
SOALAN 13
 
Semua makhluk hidup boleh terjejas dengan adanya pencemaran alam sekitar. Rajah 11 pula memaparkan beberapa contoh jenis pencemaran alam sekitar yang sering berlaku. 
All living things are affected by environmental pollution. Figure 11 shows some examples of the types of environmental pollution that often occur.
Rajah 11 / Diagram 11
 
(a)   Nyatakan dua contoh lain jenis pencemaran alam sekitar.
    State another two examples of the type of environmental pollution.
    [ 2 markah / 2 marks ]
     
(b)  

Eutrofikasi adalah respon ekosistem terhadap penigkatan ion fostfat dan ion nitrat yang terkandung di dalam bahan detergen atau sampah di dalam ekosistem akuatik.

Eutrophication is the ecosystem response towards an increase of phosphate ions and nitrate ions from detergents, fertilisers or garbage in an aquatic ecosystem.

     
    Berikan dua kesan negatif dari eutrofikasi?
    Give two negative effects of eutrophication?
    [ 2 markah / 2 marks ]
     
(c)  

Kawasan

Area

Bacaan Indeks Pencemaran Udara (IPU)

Reading of Air Pollution Index (API)

Taman Merdeka 153
Taman Sri Naning 72
Taman Merak 80
Taman Muzaffar 165
    Jadual 4 / Table 4
     
    Parameter Pencemaran Udara (IPU) digunakan untuk menentukan tahap pencemaran udara. Menurut Jadual 3, kawasan manakah yang paling tercemar? Apa penyebab utama kawasan itu paling tercemar menurut pendapat anda?
    Air Pollution Parameters (IPU) are used to determine the level of air pollution. According to Table 3, which area is the most polluted? What is the main cause of the most polluted area in your opinion?
    [ 4 markah / 4 marks ]
     
(d)   Pada tahun 2022, cadangan telah dibuat oleh kerajaan untuk menambah lokasi tapak pelupusan sampah di kawasan tertentu. Adakah anda bersetuju dengan cadangan tersebut? Sila berikan justifikasi bagi jawapan anda.
    In 2022, a proposal has been made by the government to add more locations landfills in certain areas. Do you agree with the proposal? Please provide a justification for your answer.
    [ 4 markah / 4 marks ]
     

 

 

 

 

 

 

 

 KERTAS PEPERIKSAAN TAMAT