Sexual Reproduction in the Flowering Plants
Quiz by Kimone Jarrett
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The diagram illustrates a pollen grain.
Which of the labeled structures produces the male gametes?
29A
C
B
D
- Q1
The diagram illustrates a pollen grain.
Which of the labeled structures produces the male gametes?
A
C
B
D
30s - Q2
The diagram is the cross section of an anther.
Which of the labeled structures nourishes the developing pollen grains?
A
B
D
C
30s - Q3
Double fertilization of the ovule of a flowering plant results in:
One seed and one cotyledon
One embryo and one endosperm
One cotyledon and one endosperm
A fruit and a seed
30s - Q4
Which of the following is the correct sequence of events in the pollen sack?
pollen mother cell—> meiosis—> tetrad of pollen cells—> mitosis—> two haploid nuclei per cells
pollen grain—> meiosis—> pollen tube nucleus—> meisosis—> generative nucleus
pollen mother cells—> meiosis—> two haploid cells—> meiosis—> two pollen grains per cell
pollen grain—> mitosis—> pollen tube nucleus—> mitosis—> generative nucleus
30s - Q5
The function of the endosperm is:
Pollen formation
Direction of growth of pollen tube
Seed coat formation
Nourishment of the embryo
30s - Q6
State the name of the triploid nucleus produced during double fertilization.
Users enter free textType an Answer30s - Q7
Which of these are advantages of outbreeding?
Effective cross pollination
Genetic variation and Maintenance of useful characteristics
30s
