(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
(i) Part ‘A’ labelled is pollen grain.
(ii) Part ‘B’ is stigma. The pollen grain reaches the stigma during pollination.
(iii) Part ‘C’ is the pollen tube. The pollen tube carries the gametes to the embryo sac for fertilisation.
(iv) Part ‘D’ is the egg cell. After fertilisation with the male gametes, the egg cell forms the zygote.
Concept: Sexual Reproduction in Flowering Plants
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