SULIT |
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4551/1 |
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1. |
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Antara berikut, padanan manakah yang betul? |
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Which of the following match is correct? |
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Peralatan perlindungan
Protective equipment |
Fungsi
Function |
A. |
Kebuk wasap
Fume hood |
Menghalang sampel daripada kontaminasi
To prevent the sample from contamination |
B. |
Kabinet keselamatan biologi
Biosafety cabinet |
Melindungi pekerja dan persekitaran daripada patogen
To protect the worker and the surrounding environment from pathogens |
C. |
Kabinet aliran lamina
Laminar flow cabinet |
Melindungi pekerja daripada menghidu gas beracun
To prevent the worker from inhaling poisonous gases |
D. |
Stesen pancuran keselamatan
Emergency shower station |
Melindungi badan dan pakaian daripada tumpahan bahan kimia yang merbahaya
To protect the body and garment from spills of harmful chemicals |
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2. |
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Rajah 1 menunjukkan sel haiwan. |
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Diagram 1 shows an animal cell. |
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Rajah 1 |
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Diagram 1 |
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Manakah antara berikut yang berlabel A, B, C atau D merupakan organel yang bertanggungjawab untuk sintesis protein? |
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Which of the following labelled A, B, C or D is an organelle responsible for protein synthesis? |
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3. |
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Rajah 2 menunjukkan satu eksperimen yang dijalankan untuk mengkaji proses difusi melalui membran separa telap. |
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Diagram 2 shows an experiment conducted to study diffusion through a semi-permeable membrane. |
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Rajah 2 |
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Diagram 2 |
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Apakah Q and R? |
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What are Q and R? |
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Q |
R |
A. |
\(10\%\) larutan sukrosa
\(10\%\) sucrose solution |
\(30\%\) larutan sukrosa
\(30\%\) sucrose solution |
B. |
\(30\%\) larutan sukrosa
\(30\%\) sucrose solution |
\(30\%\) larutan sukrosa
\(30\%\) sucrose solution |
C. |
\(50\%\) larutan sukrosa
\(50\%\) sucrose solution |
\(30\%\) larutan sukrosa
\(30\%\) sucrose solution |
D. |
\(30\%\) larutan sukrosa
\(30\%\) sucrose solution |
air suling
distilled water |
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4. |
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Bagaimanakah proses osmosis berbalik berfungsi dalam penulenan air? |
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How does reverse osmosis works in water purification? |
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I. |
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Air dipaksa untuk merentasi membran separa telap di bawah tekanan hidrostatik tinggi |
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Water is forced to cross the semi-permeable membrane under high hydrostatic pressure |
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II. |
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Membran separa telap hanya membenarkan bahan terlarut kecil untuk melepasinya |
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The semi-permeable membrane only allows small dissolved substances to pass through it |
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III. |
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Bahan terlarut besar tidak dapat melepasi membran separa telap yang akan diperangkap dan dsingkirkan |
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Large dissolve substances are unable to pass through the semi-permeable membrane which will be trapped and eliminated |
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IV. |
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Hanya menghasilkan air yang tulen |
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Only produce purified water |
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A. |
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I, II dan III |
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I, II and III |
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B. |
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I, II dan IV |
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I, II and IV |
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C. |
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I, III dan IV |
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I, III and IV |
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D. |
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I, II, III dan IV |
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I, II, III and IV |
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5. |
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Antara berikut, manakah merupakan kepentingan lipid yang betul? |
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Which of the following is correct about the importance of lipids? |
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I. |
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Penting untuk mensintesis steroid |
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Important is steroid hormone synthesis |
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II. |
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Melindungi organ dalaman |
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Protect the internal organs |
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III. |
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Penyimpanan tenaga |
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Energy storage |
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IV. |
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Pengecaman sel |
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Cell recognition |
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A. |
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I, II dan III |
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I, II and III |
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B. |
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II, III dan IV |
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II, III and IV |
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C. |
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I, III dan IV |
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I, III and IV |
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D. |
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I, II, III dan IV |
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I, II, III and IV |
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6. |
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Rajah 3 menunjukkan ilustrasi tindak balas enzim pada substrat. |
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Diagram 3 illustrate the action of the enzyme on a substrate. |
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Rajah 3 |
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Diagram 3 |
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Berdasarkan rajah, pilih kenyataan yang betul mengenai enzim. |
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Based on the diagram, choose the correct statement about the enzyme. |
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P - Tindak balas enzim ialah spesifik.
P - Enzyme action is specific.
Q - Tindak balas enzim keduanya ialah berbalik dan tidak.
Q - Enzyme reactions are both reversible and irreversible
R - Enzim dimusnahkan selepas tindak balas.
R - Enzyme is not destroyed after the reaction.
S - Enzim yang dikatalisis bertindak pada suhu tertentu.
S - Enzyme catalysed take action at a certain temperature.
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A. |
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P dan Q |
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P and Q |
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B. |
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Q dan S |
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Q and S |
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C. |
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P dan R |
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P and R |
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D. |
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P, Q, dan R |
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P, Q, and R |
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7. |
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Rajah 4 menunjukkan empat jenis kotoran pada baju seorang budak lelaki. |
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Diagram 4 shows four types of stains on a boy's shirt. |
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Rajah 4 |
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Diagram 4 |
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Antara berikut, kotoran manakah yang dapat dibersihkan dengan menggunakan serbuk pencuci yang mengandungi enzim protease? |
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Which stain can be removed by using the washing powder that contains protease? |
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A. |
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Kotoran sayuran |
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Vegetable stain |
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B. |
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Kotoran nasi |
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Rice stain |
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C. |
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Kotoran telur |
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Egg stain |
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D. |
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Kotoran minyak |
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Oil stain |
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8. |
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Serangga mempunyai bilangan kromosom 2n = 16. Sel serangga sebelum dan selepas pembelahan secara meiosis ialah |
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An insect has a chromosomal number of 2n = 16. The insect cells before and after meiosis are |
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Bilangan pembelahan nuklear semasa meiosis
Number of nuclear divisions during meiosis |
Bilangan kromosom dalam gamet selepas meiosis
Number of chromosomes in gametes after meiosis |
A. |
2 |
8 |
B. |
2 |
4 |
C. |
1 |
8 |
D. |
1 |
4 |
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9. |
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Apakah kesan kepada sel epitelium jika pembahagian berlaku secara tidak normal? |
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What is the effect if an epithelial cell is divided abnormally? |
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A. |
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Sel tidak boleh baik pulih |
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Cell cannot recover |
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B. |
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Sel mati secara terus |
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Some cell die eventually |
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C. |
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Some cell die eventually |
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Cell stop to grow |
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D. |
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Cell stop to grow |
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Cancer |
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10. |
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Antara berikut, manakah persamaan fermentasi yis yang betul? |
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Which of the following equation is correct about the fermentation of yeast? |
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A. |
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Glukosa \(+\) Oksigen \(\rightarrow\) Air \(+\) Karbon Dioksida \(+\) ATP \(+\) haba |
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Glucose \(+\) Oxygen \(\rightarrow\) Water \(+\) Carbon Dioxide \(+\) ATP \(+\) heat |
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B. |
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Glukosa \(\rightarrow\) Asid Laktik \(+\) ATP \(+\) haba |
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Glucose \(\rightarrow\) Lactic Acid \(+\) ATP \(+\) heat |
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C. |
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Glukosa \(\rightarrow\) Etanol \(+\) Karbon Dioksida \(+\) ATP \(+\) haba |
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Glucose \(\rightarrow\) Ethanol \(+\) Carbon Dioksida \(+\) ATP \(+\) heat |
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D. |
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Glukosa \(+\) Karbon Dioksida \(\rightarrow\) Etanol \(+\) ATP \(+\) haba |
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Glucose \(+\) Carbon Dioxide \(\rightarrow\) Ethanol \(+\) ATP \(+\) heat |
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11. |
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Rajah 5 menunjukkan bahagian sistem pernafasan serangga. |
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Diagram 5 shows a part of the insect respiratory system. |
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Rajah 5 |
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Diagram 5 |
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Antara berikut, yang manakah benar mengenai ciri adaptif struktur Y untuk fungsinya? |
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Which of the following is true about the adaptive features of structure Y for its functions? |
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A. |
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Bahagian hujung struktur Y sentiasa lembap |
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The end of structure Y is always moist |
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B. |
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Struktur dinding sel terdiri daripada beberapa lapisan sel |
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The cell wall structure consist of several cell layers |
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C. |
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Mengandungi kapilari darah untuk membawa oksigen |
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Contains blood capillaries to carry oxygen |
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D. |
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Mengandungi cincin kitin untuk mengekalkan strukturnya |
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Contains rings of chitin to maintain its structure |
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12. |
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Rajah 6 menunjukkan sebahagian daripada sistem pencernaan manusia. |
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Diagram 6 shows a part of the human digestive system. |
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Rajah 6 |
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Diagram 6 |
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Jika X dibuang, maka |
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If X is removed, the |
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A. |
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Lipase tidak dihasilkan |
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Lipase is not produced |
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B. |
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Pati tidak boleh dihadam |
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Starch cannot be digested |
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C. |
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Lipid tidak boleh dihadam |
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Lipids cannot be digested |
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D. |
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Jus pankreas tidak boleh mengalir ke duodenum |
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Pancreatic juice cannot flow to duodenum |
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13. |
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Jadual 1 menunjukkan keputusan eksperimen untuk menentukan nilai kalori bagi kacang tanah. |
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Table 1 shows the result of an experiment to determine the caloric value of a peanut. |
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Jisim kacang tanah
Mass of peanut |
\(0.5\space g\) |
Jisim air
Mass of water |
\(20.0\space g\) |
Suhu awal air
The initial temperature of the water |
\(25.0^\circ C\) |
Suhu akhir air
The final temperature of the water |
\(45.0^\circ C\) |
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Jadual 1 |
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Table 1 |
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Muatan haba tentu air ialah \(4.2\space Jg^{-1}{^\circ{C}}^{-1}\). Hitung nilai kalori kacang. |
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The specific heat capacity of water is \(4.2\space Jg^{-1}{^\circ{C}}^{-1}\). Calculate the caloric value of the peanut. |
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A. |
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\(1680\space ​​Jg^{-1}{^\circ{C}}\) |
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B. |
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\(3360​​\space Jg^{-1}{^\circ{C}}\) |
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C. |
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\(7560​​\space Jg^{-1}{^\circ{C}}\) |
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D. |
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\(11760\space ​​Jg^{-1}{^\circ{C}}\) |
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14. |
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Antara berikut, manakah benar mengenai sistem peredaran terbuka? |
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Which of the following is correct about the open circulatory system? |
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I. |
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Dalam sistem peredaran terbuka, hemolimfa mengalir masuk terus ke dalam rongga badan (hemoselom) dan membasahi sel-sel |
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Hemolymph flows directly into the body cavity (haemocoel) and bathes the cells |
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II. |
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Darah sentiasa terkandung dalam salur darah tertutup yang berterusan dan diedarkan ke seluruh badan |
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Blood is always contained in a continuous closed blood vessel and is distributed to the whole body |
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III. |
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Di hemoselom, pertukaran bahan antara hemolimfa dan sel badan berlaku secara resapan |
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In the haemocoel, substance exchange between haemolymph and body cells occurs through diffusion |
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IV. |
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The exchange of substances that are essential to cells such as oxygen and nutrients occurs across the walls of blood capillaries |
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The exchange of substances that are essential to cells such as oxygen and nutrients occurs across the walls of blood capillaries |
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A. |
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II dan IV |
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II and IV |
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B. |
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I dan III |
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II and III |
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C. |
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I dan IV |
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I and IV |
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D. |
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Semua yang di atas |
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All of the above |
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15. |
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Rajah 7 menunjukkan jantung manusia. |
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Diagram 7 shows a human heart. |
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Rajah 7 |
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Diagram 7 |
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Apakah yang akan berlaku jika aliran darah tersumbat dalam X? |
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What will happen if there is a blockage of blood flow in X? |
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A. |
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Strok |
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Stroke |
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B. |
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Hipertensi |
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Hypertension |
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C. |
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Tekanan darah rendah |
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Low blood pressure |
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D. |
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Penginfarkan miokardium |
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Myocardial infarction |
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16. |
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Apakah perbezaan antara AIDS dan HIV? |
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What is the difference between AIDS and HIV? |
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HIV |
AIDS |
A. |
Virus yang boleh menyebabkan kerosakan pada sistem imun
A virus that causes harm to the immune system |
Penyakit yang disebabkan oleh kegagalan sistem imun
A disease caused by the failure of the immune system |
B. |
Virus yang hanya boleh menyebabkan kerosakan kepada bendalir interstis
A virus that causes harm to the interstitial fluid |
Penyakit yang menyebabkan masalah pada sistem peredaran
A disease that causes problems to the circulatory system |
C. |
Penyakit yang menyebabkan sakit pada dada
A disease that causes pain in the chest |
Virus yang merosakkan sistem respirasi
A virus that causes harm to the respiratory system |
D. |
Virus yang menyebabkan kerosakan otak
A virus that causes brain damage |
Virus yang menyebabkan kerosakan pada sistem imun
A virus that causes harm to the immune system |
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17. |
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Sel beta (\(\beta\)) dan sel alfa (\(\alpha\)) pada kelopol Langerhans di pankreas akan merembeskan hormon insulin dan hormon glukagon masing-masing bergantung kepada aras glukosa darah.
Beta cells (\(\bf{\beta}\)) and alpha cells (\(\alpha\)) in the Langerhans cell group in the pancreas will secret the insulin hormone and glucagon hormone, respectively depending on the blood glucose level.
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Apakah yang akan berlaku sekiranya sel alfa pada kumpulan sel Langerhans dipankres telah rosak? |
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What will happen if the alpha cells in the group of Langerhans cells in the pancreas are destroyed? |
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A. |
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Perubahan pada glikogen kepada glukosa akan terjejas |
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Conversion of glycogen to glucose will be affected |
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B. |
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Glukosa berlebihan tidak boleh diubah kepada glikogen |
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Excess glucose cannot be converted to glycogen |
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C. |
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Pengumpullan glukosa di dalam badan |
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Accumulation of glucose in the body |
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D. |
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Glukosa berlebihan tidak teroksida |
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Excess glucose cannot be oxidized |
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18. |
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Maklumat di bawah menunjukkan peristiwa P, Q, R, dan S yang berlaku dalam tindakan refleks sederhana. |
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The following show events P, Q, R, and S that occur in a simple reflex action. |
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P - Reseptor diaktifkan
P - Receptor is activated
Q - Efektor diaktifkan
Q - Effector is activated
R - Impuls bergerak di sepanjang neuron motor
R - Impulses move along the motor neurone
S - Impuls bergerak di sepanjang neuron deria
S - Impulses move along the sensory neurone
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Antara berikut, manakah yang menunjukkan urutan yang betul? |
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Which of the following shows the correct sequence? |
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A. |
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P, R, Q, S |
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B. |
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P, S, R, Q |
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C. |
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S, P, Q, R |
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D. |
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S, Q, R, P |
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19. |
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Rajah 8 menunujukkan sistem endokrin manusia. |
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Diagram 8 shows the human endocrine system. |
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Rajah 8 |
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Diagram 8 |
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Manakah antara yang berikut padanan yang betul antara kelenjar dan fungsinya yang mengawal perembesan hormon? |
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Which of the following is correct? |
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A. |
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Kelenjar L merembeskan progesteron untuk menebal dinding lapisan rahim |
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Gland L secretes progesterone to thicken the uterine lining wall |
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B. |
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Kelenjar O merembeskan insulin dan glukagon untuk mengawal paras gula dalam darah |
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Gland O secretes insulin and glucagon to control blood sugar level |
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C. |
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Kelenjar M merembeskan tiroksin untuk mengawal pertumbuhan dan perkembangan |
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Gland M secretes thyroxine to regulate growth and development |
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D. |
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Kelenjar K merembeskan hormon yang mengawal rembesan kelenjar endokrin yang lain |
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Gland K secretes hormones that control the secretion of other endocrine glands |
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20. |
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Rajah 9 menunujukkan sendi palsu yang dipasang pada lutut seorang pesakit. |
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Diagram 9 shows an artificial joint fitted in a patient knee. |
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Rajah 9 |
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Diagram 9 |
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Antara yang berikut, manakah penyakit yang dialami oleh pesakit tersebut? |
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Which of the following disease is suffered by the patient? |
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A. |
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Gout |
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Gout |
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B. |
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Osteoartritis |
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Osteoarthritis |
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C. |
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Osteoporosis |
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Osteoporosis |
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D. |
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Distrofi otot |
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Muscular dystrophy |
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21. |
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Antara berikut, yang manakah persamaan proses pembentukan sperma dan ovum dalam badan manusia? |
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Which of the following is the similarity of sperm and ovum formation process in the human body? |
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A. |
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Ovum dan sperma menghasilkan empat gamet yang berfungsi |
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Both the ovum and sperm produce four functional gametes |
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B. |
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Mitosis tidak terlibat dalam pembentukan ovum dan sperma |
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Mitosis is not involved in the formation of ovum and sperm |
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C. |
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Spermatosit sekunder dan oosit sekunder mempunyai bilangan kromosom yang sama |
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Secondary spermatocyte and secondary oocyte have the same number of chromosomes |
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D. |
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Jasad kutub terbentuk dalam pembentukan ovum dan sperma |
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Polar bodies are formed in the formation of ovum and sperm |
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22. |
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Daun tumbuhan terdedah kepada karbon dioksida radioaktif pada siang hari. Rajah 10 menunjukkan keratan melintang batang tumbuhan itu. |
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The leaves of plant were exposed to radioactive carbon dioxide during the day. Diagram 10 shows a transverse section of the stem of the plant. |
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Rajah 10 |
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Diagram 10 |
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Dalam tisu berlabel yang manakah radioaktif akan dikesan? |
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In which labelled tissues would radioactive be detected? |
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23. |
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Rajah 11 menunjukkan graf hasil dari eksperimen untuk menyiasat faktor-faktor yang mempengaruhi kadar photosintesis. |
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Diagram 11 shows the graph of results from an experiment to investigate the factors affecting the rate of photosynthesis. |
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Rajah 11 |
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Diagram 11 |
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Antara kombinasi berikut, yang manakah benar? |
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Which of the following combination is true? |
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Faktor yang disiasat
Factor under investigation |
Faktor pengehad
Limiting factor |
A. |
Keamatan cahaya
Light intensity |
Kepekatan karbon dioksida
Concentration of carbon dioxide |
B. |
Suhu
Temperature |
Keamatan cahaya
Light intensity |
C. |
Kepekatan karbon dioksida
Concentration of carbon dioxide |
Keamatan cahaya
Light intensity |
D. |
Kepekatan karbon dioksida
Concentration of carbon dioxide |
Suhu
Temperature |
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24. |
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Antara pernyataan berikut, yang manakah benar tentang titik pampasan? |
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Which of the following statement are true about the compensation point? |
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I. |
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Tiada keuntungan bersih atau kerugian bersih untuk pengeluaran / penggunaan karbon dioksida |
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There is no net gain or net loss for carbon dioxide production / usage |
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II. |
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Tiada keuntungan bersih atau kerugian bersih untuk pengeluaran / penggunaan glukosa |
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There is no net gain or net loss for glucose production/usage |
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III. |
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Semua karbon dioksida semasa respirasi digunakan sepenuhnya dalam fotosintesis |
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All carbon dioxide during respiration is fully used in photosynthesis |
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IV. |
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Pengeluaran glukosa adalah paling rendah |
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The production of glucose is at the lowest |
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A. |
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I dan II |
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I and II |
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B. |
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I dan III |
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I and III |
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C. |
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I, II, dan III |
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I, II, and III |
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D. |
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II, III, dan IV |
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II, III, and IV |
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25. |
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Rajah 12 menunjukkan satu tumbuhan yang menghasilkan banyak buah. |
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Diagram 12 shows a plant that produces a lot of fruits. |
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Rajah 12 |
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Diagram 12 |
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Apakah nutrien yang bermanfaat untuk tumbuhan ini bagi menghasilkan buah? |
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What is the nutrient that is beneficial for the fruit production of this plant? |
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A. |
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Zink |
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Zinc |
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B. |
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Kalium |
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Potassium |
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C. |
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Fosforus |
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Phosphorus |
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D. |
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Nitrogen |
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Nitrogen |
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26. |
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Rajah 13 menunjukkanmenunjukkan struktur akar untuk pengambilan air dan garam mineral. |
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Diagram 13 shows the root structure for water and mineral salts uptake. |
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Rajah 13 |
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Diagram 13 |
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Apakah proses yang membantu untuk menggerakkan air ke atas melalui bahagian A seperti yang ditunjukkan dalam rajah di atas? |
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What process is helping to move water upwards through part A as shown in diagram above? |
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A. |
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Tekanan akar |
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Root pressure |
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B. |
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Tindakan kapilari |
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Capillary action |
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C. |
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Tarikan transpirasi |
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Transpirational pull |
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D. |
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Gutasi |
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Guttation |
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27. |
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Seorang pekebun menggunakan kaedah pemyemburan hormon auksin ke atas bunga yang tidak dipolinasi untuk menghasilkan buah. Apakah kelebihan buah yang akan dihasilkan? |
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A farmer uses the method of spraying auxin hormone on unpollinated flowers to produce fruits. What is the advantage of fruits that will be produced? |
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A. |
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Buah akan mempunyai vitamin C yang banyak |
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The fruits will have more vitamin C |
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B. |
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Buah akan menjadi lebih manis |
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The fruits will be sweeter |
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C. |
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Buah tidak akan mempunyai biji benih |
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The fruits will not have seeds |
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D. |
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Buah akan menjadi segar |
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The fruits will be fresh |
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28. |
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Rajah 14 menunjukkan keratan membujur bahagian pembiakan bunga. |
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Diagram 14 shows the longitudinal section of the reproductive part of a flower. |
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Rajah 14 |
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Diagram 14 |
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Di manakah pendebungaan dan persenyawaan berlaku? |
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Where do pollination and fertilization occur? |
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Pendebungaan
Pollination |
Persenyawaan
Fertilization |
A. |
S |
Q |
B. |
R |
P |
C. |
Q |
S |
D. |
P |
R |
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29. |
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Antara berikut, yang manakah kepentingan persenyawaan ganda dua? |
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Which of the following is the importance of double fertilisation? |
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I. |
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Persenyawaan ganda dua menghasilkan endosperma yang memberikan khasiat kepada embrio yang sedang berkembang |
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Double fertilization gives rise to an endosperm that provides nourishment to the developing embryo |
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II. |
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Maklumat genetik diturunkan dari satu generasi ke generasi seterusnya |
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Genetic information is passed down from one generation to the next |
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III. |
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Memulihkan keadaan haploid dalam gamet dengan pembentukan zigot diploid |
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Restores haploid condition in gametes with the formation of the diploid zygote |
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IV. |
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Tisu endosperma membolehkan embrio bertahan dalam benih untuk masa yang lama jika keadaan tidak sesuai untuk percambahan berlaku |
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The endosperm tissue enables the embryo to survive in the seed for a long time if conditions are not favourable for germination to occur |
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A. |
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I, II dan III |
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I, II and III |
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B. |
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I, II dan IV |
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I, II and IV |
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C. |
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I, III dan IV |
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I, III and IV |
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D. |
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I, II, III dan IV |
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I, II, III and IV |
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30. |
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Rajah 15 menunjukkan anak benih yang tumbuh. |
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Diagram 15 shows a germinating seedling. |
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Rajah 15 |
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Diagram 15 |
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P menunjukkan kerugian besar dalam sepuluh hari pertama percambahan. Antara berikut, yang manakah menerangkan kerugian secara besar-besaran? |
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P shows a great loss in mass in the first ten days of germination. Which of the following explains the loss in mass? |
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A. |
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Air hilang dari P |
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Water is lost from P |
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B. |
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Air diserap ke dalam P |
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Water is absorbed into P |
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C. |
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P tidak dapat menjalankan fotosintesis |
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P is not able to carry out photosynthesis |
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D. |
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Makanan yang disimpan dalam P digunakan dalam pernafasan tisu untuk pertumbuhan |
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Food stored in P is used in the tissue respiration for growth |
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31. |
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Rajah 16 menunjukkan keratan rentas batang tumbuhan P dan Q yang hidup dalam habitat yang berbeza. |
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Diagram 16 shows the cross-section of a stem from plants P and Q which live in different habitats. |
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Rajah 16 |
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Diagram 16 |
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Apakah habitat tumbuhan P dan Q? |
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What is the habitat of plants P and Q? |
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P |
Q |
A. |
Hutan hujan tropika
Tropical rain forest |
Kolam
Pond |
B. |
Gurun
Desert |
Hutan hujan tropika
Tropical rain forest |
C. |
Kolam
Pond |
Hutan hujan tropika
Tropical rain forest |
D. |
Hutan paya bakau
Mangrove |
Gurun
Desert |
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32. |
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Rajah 17 menunjukkan satu menunjukkan kitar nitrogen. |
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Diagram 17 shows a nitroge cycle. |
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Rajah 17 |
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Diagram 17 |
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Manakah antara berikut merujuk kepada mikroorganisma II? |
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Which of the following is refers to microorganism II? |
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A. |
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Nitrosomonas sp. |
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B. |
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Nitrobacter sp. |
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C. |
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Rhizobium sp. |
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D. |
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Azotobacter sp. |
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33. |
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Rajah 18 menunjukkan kesan yang dihasilkan dari empat antibiotik, K, L, M dan N, pada sejenis bakteria. |
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Diagram 18 shows the resulting effect of four antibiotics, K, L, M and N, on a type of bacteria. |
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Rajah 18 |
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Diagram 18 |
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Kepekatan antibiotik untuk keempat-empat sampel adalah sama. Antibiotik manakah yang paling berkesan untuk mencegah pertumbuhan bakteria? |
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The antibiotics concentration for all four samples is the same. Which antibiotic is the most effective in preventing the growth of the bacteria? |
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34. |
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Rajah 19 menunjukkan rantai makanan. |
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Diagram 19 shows part of a food chain. |
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Rajah 19 |
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Diagram 19 |
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Anak panah A, B, C atau D yang manakah mewakili pemindahan tenaga terbesar? |
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Which of the arrows A, B, C or D represents the largest transfer of energy? |
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35. |
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Rajah 20 menunjukkan perubahan dalam populasi mikroorganisma dan alga di sungai yang tercemar oleh sisa domestik. |
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Diagram 20 shows the changes in the population of microorganisms and algae in a river polluted by domestic waste. |
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Rajah 20 |
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Diagram 20 |
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Berdasarkan gambar rajah, kenyataan manakah yang benar? |
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Based on the diagram, which of the following statements are true? |
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I. |
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Populasi alga menurun pada awalnya akibat dari sisa domestik yang menghalang penetrasi matahari |
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Alga population decreases in the beginning due to domestic waste that prevent sunlight from penetration |
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II. |
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Populasi mikroorganisma meningkat kerana kandungan organik yang tinggi di sungai |
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Population of microorganism increases because of high organic content in the river |
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III. |
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Perubahan kimia dan fizikal dalam pembaziran produk menyebabkan perubahan populasi mikroorganisma |
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Chemical and physical changes in the waste of product cause the change in population of microorganisms |
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IV. |
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Peningkatan populasi alga di X disebabkan oleh adanya mineral, hasil penguraian sisa domestik |
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The increase in population of algae at X is due to the presence of minerals, the result of decomposition of domestic waste |
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A. |
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I dan III |
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I and III |
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B. |
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II dan IV |
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II and IV |
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C. |
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II, III, dan IV |
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II, III, and IV |
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D. |
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I, II, III, dan IV |
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I, II, III, and IV |
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36. |
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Rajah 21 menunjukkan pewarisan lekapan cuping telinga dalam satu keluarga. Alel bagi cuping telinga bebas adalah dominan kepada cuping telinga melekap. |
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Diagram 21 shows the inheritance of earlobe shape in a family. The allele for detached earlobes is dominant to the allele for attached earlobes. |
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Rajah 21 |
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Diagram 21 |
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Apakah kebarangkalian anak yang seterusnya bagi induk ini mempunyai cuping telinga bebas? |
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What is the probability of the next child of this parent having detached earlobes? |
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A. |
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\(0\%\) |
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B. |
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\(25\%\) |
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C. |
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\(50\%\) |
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D. |
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\(75\%\) |
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37. |
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Rajah 22 menunjukkan pewarisan untuk ciri polidaktil dalam suatu keluarga. Polidaktil adalah suatu ciri yang disebabkan oleh alel resesif. |
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Diagram 22 shows the inheritance of polydactyl in a family. Polydactyl is caused by a recessive allele. |
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Rajah 22 |
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Diagram 22 |
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Genotip manakah yang mungkin dipunyai oleh Karen dan Brian? |
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Which is the possible genotype of Karen and Brian? |
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Karen |
Brian |
A. |
BB |
BB |
B. |
BB |
bb |
C. |
Bb |
Bb |
D. |
Bb |
bb |
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38. |
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Rajah 23 menunjukkan kariotip seseorang individu. |
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Diagram 23 shows the karyotype of an individual. |
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Rajah 23 |
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Diagram 23 |
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Antara berikut, yang manakah mempunyai karitotip seperti yang ditunjukkan? |
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Which of the following has the karyotype shown? |
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A. |
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Perempuan yang mandul dan kekurangan ciri-ciri seks sekunder perempuan dan mempunyai buah dada dan ovari yang tidak berkembang |
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Sterile female with lack of secondary female characteristics, undeveloped breasts and ovaries |
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B. |
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Lelaki bermata sepet, muka lebar, leher pendek dan lidah lebar serta terjelir |
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Male with slanted eyes, broad face, short neck and broad protruded tongue |
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C. |
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Lelaki yang mandul dengan testis kecil yang gagal menghasilkan sperma, mempunyai suara dan buah dada sama seperti wanita |
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A sterile man with small testes that fail to produce sperms, possesses voice and chest similar to those of a woman |
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D. |
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Lelaki yang mempunyai ketinggian lebih daripada lelaki normal, mempunyai masalah jerawat teruk di muka, lambat bertutur dan mempunyai masalah pembelajaran |
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Male who is taller than normal and has problem with pimples on his face, slow in acquiring speech and has learning disability |
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39. |
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Rajah 24 menunjukkan gen terangkai seks bagi hemofilia. |
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Diagram 24 shows a sex-linked gene in haemophilia. |
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Rajah 24 |
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Diagram 24 |
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Berapakah peratusan anak yang normal dalam generasi \(\text{F}_1\)? |
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What is the percentage of normal offspring in the \(\text{F}_1\) generation? |
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A. |
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\(100\%\) |
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B. |
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\(75\%\) |
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C. |
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\(50\%\) |
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D. |
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\(25\%\) |
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40. |
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Rajah 25 menunjukkan proses pengklonan haiwan. |
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Diagram 25 shows the animal cloning process. |
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Rajah 25 |
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Diagram 25 |
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Antara peringkat A, B, C, atau D, yang manakah peringkat proses pengklonan haiwan yang paling penting untuk memastikan zuriat yang dihasilkan mempunyai gentik yang sama dengan organisma X? |
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Which of the stages A, B, C, or D of the animal cloning process is the most important to ensure the offspring is genetically identical to organism X? |
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A. |
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Peringkat A |
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Stage A |
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B. |
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Peringkat B |
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Stage B |
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C. |
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Peringkat C |
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Stage C |
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D. |
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Peringkat D |
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Stage D |
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KERTAS PEPERIKSAAN TAMAT
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