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
State whether the following statements are true or false. If false, write the correct statement by choosing the incorrect word/words only:
Genes are some specific sequence of nitrogenous bases on a chromosome.

State whether the following statements are true or false. If false, write the correct statement by choosing the incorrect word/words only:
Cytosine, Adenine, Thyroid, and Guanine are the nitrogenous bases in DNA.

State whether the following statements are true or false. If false, write the correct statement by choosing the incorrect word/words only:
A cell containing 46 chromosomes will have 23 chromatin fibres inside the nucleus during interphase.

State whether the following statements are true or false. If false, write the correct statement by choosing the incorrect word/words only:
A nitrogenous base along with sugar and sulphate forms a nucleotide.

State whether the following statements are true or false. If false, write the correct statement by choosing the incorrect word/words only:
Nitrogen bonds are present between the complementary nitrogenous bases of DNA.

Mention the changes you observe in the structure of chromosomes in different stages of cell cycle.

Look at the given figure and write the name of each part (a) to (d)

Give the correct sequence of the process of DNA replication:
