List of top Biology Questions asked in CBSE CLASS XII

Draw a labeled diagram of a Graafian Follicle?

A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced?

Describe the structure of a seminiferous tubule.

Draw a labeled diagram of male reproductive system.

Draw a labeled diagram of female reproductive system.

With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
 

With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte