Exercises
Dr. K.K. Aggarwal Biology Solutions for Exercises
Simple step-by-step solutions to Exercises questions of Cell Cycle, Cell Division and Structure of Chromosomes from A New Approach to Biology. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercises with Hints & Solutions
Mention three significant changes that occur in a cell during interphase.

Give the reason-
Gametes have a haploid number of chromosomes.

Lysosomes are known as suicidal bags of the cell. Why?

Draw a diagram of the nucleus of a cell, having chromosome number 6, as it would appear in the Metaphase stage of mitosis and label the following parts in the diagram; (1) Aster (2) Achromatic spindle (3) Chromatid (4) Centromere.

Mention the difference between mitosis and meiosis with reference to number of daughter cells formed at the end of the cell division.

Mention the difference between mitosis and meiosis with reference to the chromosome number of daughter cells formed.

Why is meiosis referred to as reduction division?

State how meiosis maintains chromosome number in a species.
