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Question

The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of B contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?


Solution

(a) A represents the carpel. The carpel is composed of the stigma, style and ovary.

(b) The ovary contains gametes in the form of ovules.

(c) B represents the stamen. The swollen tip of the stamen is the anther.

(d) The anther has pollen grains.

(e) The stamen (B) is a male part and the carpel (A) is a female part.


Biology
Science for Tenth Class - Part III - Biology
Standard X

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