A) fertilisation of the egg by two male gametes
B) fertilisation of two eggs in the same embryo sac by two sperms brought by one pollen tube
C) fertilisation of the egg and the central cell by two sperms brought by different pollen tubes
D) fertilisation of the egg and the central cell by two sperms brought by the same pollen tube
Correct Answer: D
Solution :
The double fertilisation involves the union of male gamete with egg cell at one place and union of one male gamete with the secondary nucleus at another place in all angiosperms. That is why it is called double fertilisation.
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