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Question
In the figure given below the plant bears two different types of flowers marked ‘A’ and ‘B’. Identify the types of flowers and state the type of pollination that will occur in them.
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Solution
Flower A and its pollination:
A chasmogamous flower is a flower that opens, exposing the anthers and stigma to the environment. Since A is open and exposed, hence, it is a chasmogamous flower.
As these flowers are exposed to the environment, they can reproduce either by self pollination or cross pollination.
Flower B and its pollination:
A cleistogamous flower is a flower that remains closed so that the anther and stigma are not exposed to the environment. Since B is not exposed, hence, it is a cleistogamous flower.
As these flowers are not exposed to the environment, they reproduce by self pollination only.
Final answer:
A: Chasmogamous flower - Self pollination/ Cross pollination
B: Cleistogamous flowers - Self pollination
A chasmogamous flower is a flower that opens, exposing the anthers and stigma to the environment. Since A is open and exposed, hence, it is a chasmogamous flower.
As these flowers are exposed to the environment, they can reproduce either by self pollination or cross pollination.
Flower B and its pollination:
A cleistogamous flower is a flower that remains closed so that the anther and stigma are not exposed to the environment. Since B is not exposed, hence, it is a cleistogamous flower.
As these flowers are not exposed to the environment, they reproduce by self pollination only.
Final answer:
A: Chasmogamous flower - Self pollination/ Cross pollination
B: Cleistogamous flowers - Self pollination
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