Angiospermic plants are characterised by
I) double fertilisation
II) triploid endosperm
III) Diploid endosperm
Choose the correct option from the following regarding above statements

The correct answer is: I and II are correct

Double fertilisation is characteristic feature of angiosperms. It was discovered by SG Nawaschin in 1898. In double fertilisation, one male gamete fused with ovum to form diploid zygote and the second male gamete fused with diploid secondary nucleus to form the triploid primary endosperm nucleus, which develops into endosperm. The endosperm provides, nutrition to the developing embryo