Match List-I with List-II and select the correct answer:

List-I	List-II
a. Androecium	1. Female reproductive organ
b. Gynoecium	2. Male reproductive organ
c. Stamen	3. Unit of androecium
d. Carpel	4. Unit of gynoecium

A. a-2, b-1, c-3, d-4

B. a-1, b-3, c-4, d-2

C. a-3, b-4, c-2, d-1

D. a-4, b-2, c-1, d-3

Answer: Option A