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Solution - Pre-fertilisation - Structures and Events - Pollination

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Question

Why do moss plants produce very large number of male gametes? Provide one reason. What are these gametes called?

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Lever mechanism of pollination is observed in

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Mention two strategies evolved to prevent self-pollination in flowers.

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A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds.

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(a) What is the minimum number of pollen grains that must have been involved in the pollination of its pistil?

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(e) How many male gametes were involved in this case?

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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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