please explain in detail....................................

Hello Student

This question is showing types of gametes with all the plants & respective properties of them.

A– Malic acid and sucrose (sucrose provides nutrition and malic acid provide protection)
B – Zooidogamy (where male gametes are flagellated and need water for movement)
C – Oogamy (female gamete is larger)
D – Physiological Anisogamy

I hope it helps