Match Column I with Column II with respect nature of embryo sac before as well as after fertilisation.

	Column I		Column II
A	Remains haploid prior as well as after double fertilisation.	i	Central cell
B	Becomes diploid prior to fertilisation	ii	Primary endosperm nucleus
C	Triploid structure seen after fertilisation	iii	Egg cell
D	Becomes diploid after fertilisation	iv	Synergid

• A

  A - iii, B - ii, C - iv, D - i

• B

  A - iv, B - i, C - ii, D - iii

• C

  A - iv, B - i, C - iii, D - ii

• D

  A - iv, B - ii, C - i, D - iii