A large non-motile female gamete and a small motile male gamete
A large non-motile female gamete and a small non-motile male gamete
A large motile female gamete and a small non-motile male gamete
A small non-motile female gamete and a large motile male gamete
A sphere of radius R is cut from a larger solid sphere of radius 2R as shown in the figure. The ratio of the moment of inertia of the smaller sphere to that of the rest part of the sphere about the Y-axis is : 
AB is a part of an electrical circuit (see figure). The potential difference \(V_A - V_B\), at the instant when current \(i = 2\) A and is increasing at a rate of 1 amp/second is:
Reproduction in human beings involves the fusion of male and female gametes that produces in their reproductive system.
The male reproductive system comprises:
The female reproductive system is active before, during, and after fertilization as well. It comprises the following parts: