ICSE Class 10 Biology — Chapter Summary

The cell is the structural and functional unit of all living organisms except viruses. All major life processes such as respiration, nutrition, and excretion are carried out by cells. Cells may be similar in basic design, but they become specialized to perform different functions in the body. The st

Cell division is essential for growth, repair, reproduction, and the continuity of life. As a cell grows, the normal ratio between the volume of cytoplasm and the size of the nucleus is disturbed, and the exchange of materials with the environment becomes less efficient. Division restores balance. C

Genetics is the branch of biology that deals with heredity and variations. Heredity is the passing of common characteristics from parents to offspring, while variation creates differences among individuals of the same species. These differences make each organism unique, except in the case of identi