The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in 

• Only testis

• Only ovary

• Both ovary and testis

• All body cells

In a homozygous plant round seeds (R) are dominant over wrinkled seeds(r) 

What is the number of chromosomes in the gametes of human beings?

Chose the correct answer from the options given below:

After mitotic cell division , a female human cell will have: 

• 44 +  xx Chromosome

• 44 + xy chromosomes

• 22 + x chromosome

• 22 + y chromosome

Choose the correct answer from the four options given below:

The cell component visible only during cell division is

• Mitochondria

• Chloroplast

• Chromosome

• Chromatin