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(a) List two reasons for the appearance ...

(a) List two reasons for the appearance of variations among the progeny formed by sexual
(b) reproduction.
(i) Name the part marked 'A' in the diagram.
(ii) How does 'A' reaches part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked ‘D’ after fertilization is over?

Text Solution

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(a) (i) Involvement of two different individuals.
(ii) Creation of new combination of variants.
(b) (i) pollen/pollen grain.
(ii) by pollination/agents of pollination.
(iii)It (pollen tube) helps male gamete to reach egg (ovule).
(iv) Converts into embryo.
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OSWAAL PUBLICATION-HOW DO ORGANISMS REPRODUCE?-TOPIC - 2 (SEXUAL REPRODUCTION IN PLANTS)(SHORT ANSWER TYPE QUESTIONS - II)
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