| (a) List two reasons for the appearance of variations among the progeny formed by sexual reproduction. |
| (b) |
 |
| (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 fertilisation is over? |
Answer:
(a) Variation is seen among progeny formed by sexual reproduction because.
(i) Involvement of two different individuals
(ii) Creation of new combination of variants
(b) (i) A = pollengrains
(ii) B = Pollengrain reaches Big Stigma by pollination
(iii) C = Pollentube helps male gamete to reach the egg (ovule)
(iv) After fertilisation it converts into embryo.
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