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Solution - Pre-fertilisation - Structures and Events - Pollination

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Question

Geitonogamous flowering plants are genetically autogamous but functionally cross-pollinated. Justify.

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Explain the post-pollination events leading to seed production in angiosperms.

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A flower of tomato plant following the process of sexual reproduction produces 200 viable seeds.

Answer the following questions giving reasons :

(a) What would have been the minimum number of ovules present in pre-pollinated pistil ?

(b) How many microscope mother cells would minimally be required to produce requisite number of pollen grains ?

(c) How many pollen grains must have minimally pollinated the carple ?

(d) How many male gametes would have used to produce these 200 viable seeds ?

(e) How many megaspore mother cells were required in this process ?


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Solution for concept: Pre-fertilisation - Structures and Events - Pollination. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)
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