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Question
Name the parts labelled as A, B, C and D in the diagram given below:
Solution
In the given figure,
A represents the pollen grain
B represents the pollen tube
C represents the ovary
D represents the female germ cell
RELATED QUESTIONS
State the function of flowers in the flowering plants.
How is the process of pollination different from fertilization?
How does the process of fertilisation take place in flowers?
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
Sketch the labeled diagram:
Flower with its sexual reproductive organs
How many middle layers are generally present in the wall of the anther lobes?
Type of sexual reproduction is ______.
The pollen tube usually enters the embryo sac ______.
