1.
The chromosome number in human ovum is
2.
Hormone release from testes is
3.
The zygote gives rise to
4.
The number of nuclei present in the zygote
5.
Male gametes are formed in
6.
After fertilization, the ovum implants itself in the
7.
The two types of sex chromosomes are
8.
Which of the following animals is considered to be viviparous animal
9.
The process of fusion of sperm and egg is
10.
Internal fertilization occurs
11.
Egg laid after fertilization is made up of …… number of cells
12.
……… is formed after fertilization in sexually reproducing animals
13.
The number of autosomes in a sperm (human)
14.
The first step in reproduction in amoeba
16.
Start of menstruation
17.
Which one release ovum
18.
Site of fertilization
20.
Development of embryo in