Question

Match the following and choose the correct option -

$$\begin{array}{cc}ColoumnI& ColoumnII\\ a.Isogamy& 1.\text{Male and female gametes are different}\\ b.Anisogamy& 2.\text{Female gamete is non-motile}\\ c.Oogamy& 3.\text{Gametes are identical}\end{array}$$

• A. a:2, b:1, c:3
• B. a:1, b:2, c:3
• C. a:3, b:2, c:1
• D. a:3, b:1, c:2

Answer 1

The correct option is D

a:3, b:1, c:2

Isogamy is the fusion of gametes that are identical in shape, size and structure. Anisogamy refers to the fusion of gametes that are different from each other in shape, size and structure. Oogamy is the fusion of gametes that are different from each other in size - the female gamete is large and non-motile and the male gamete is small and motile.