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Biology
Formation of Pollen and Embryonic Sac - Set 1
Report
1 / 5
Which of the following is the male and female gametes of flowering plants?
Male gamete
Female gamete
(A)
Anther
Stigma
(B)
Stamen
Pistil
(C)
Pollen
Ovule
(D)
Anther
Ovary
Time limit:
00:01:00
A
B
C
D
Difficulty Level:
Hard
Formation of Pollen and Embryonic Sac - Set 1
Report
2 / 5
Which of the following is
correct
about the formation of pollen grains?
I.
Takes place in the pollen sacs
II.
Formed in the anther
III.
Male gametes
IV.
Consist of tube nucleus and generative nucleus
Time limit:
00:01:00
I, II & III
I, II & IV
I, III & IV
All of the above
Difficulty Level:
Easy
Formation of Pollen and Embryonic Sac - Set 1
Report
3 / 5
The diagram shows the development of pollen in a pollen sac.
What is process
Z
?
Time limit:
00:01:00
Fertilization
Pollination
Mitosis
Meiosis
Difficulty Level:
Hard
Formation of Pollen and Embryonic Sac - Set 1
Report
4 / 5
The diagram shows the stages in the development of an embryo sac in the ovule of a flowering plant.
What are
P
,
Q
and
R
?
P
Q
R
(A)
Mitosis
Meiosis
4 haploid nuclei
(B)
Meiosis
Mitosis
4 haploid nuclei
(C)
Mitosis
Meiosis
8 haploid nuclei
(D)
Meiosis
Mitosis
8 haploid nuclei
Time limit:
00:01:00
A
B
C
D
Difficulty Level:
Hard
Formation of Pollen and Embryonic Sac - Set 1
Report
5 / 5
The diagram shows the structure of a mature embryo sac.
What is W, X, Y and Z?
W
X
Y
Z
(A)
Egg cell
Antipodal cells
Polar nuclei
Synergid cells
(B)
Synergid cells
Egg cell
Antipodal cells
Polar nuclei
(C)
Antipodal cells
Polar nuclei
Egg cell
Synergid cells
(D)
Synergid cells
Antipodal cells
Polar nuclei
Egg cell
Time limit:
00:01:00
A
B
C
D
Difficulty Level:
Medium
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