NEET 2020 Biology question

The plant parts which consist of two generations - one within the other : (a) Pollen grains inside the anther (b) Germinated pollen grain with two male gametes (c) Seed inside the fruit (d) Embryo sac inside the ovule

• (A)(a) only
• (B)(a), (b) and (c)
• (C)(c) and (d)
• (D)(a) and (d)Correct