Biology Cell Division – Mitosis, Meiosis, Cell Cycle & Stages

Cell Division is the biological process by which a parent cell divides to produce new cells. It is essential for growth, repair, reproduction, and maintenance of living organisms.

This chapter is highly important for NEET Biology and frequently appears in conceptual questions.

What is Cell Division?

Cell division is the process through which cells reproduce and pass genetic information to daughter cells. It ensures continuity of life and proper functioning of organisms.

Cell Cycle

The cell cycle is the sequence of events that a cell undergoes before dividing. It consists of:

Interphase
Mitotic Phase (M Phase)

During interphase, the cell grows and replicates its DNA in preparation for division.

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Types of Cell Division

Mitosis

Mitosis occurs in somatic (body) cells and results in the formation of two genetically identical daughter cells.

tages of Mitosis

Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

Meiosis

Meiosis occurs in reproductive cells and produces four haploid daughter cells. It is responsible for genetic variation and sexual reproduction.

Importance of Cell Division

Growth and development of organisms.
Repair and replacement of damaged cells.
Formation of gametes.
Maintenance of chromosome number.
Genetic continuity between generations.

Importance for NEET

Cell Division is a high-weightage chapter in Biology. Questions are commonly asked on mitosis, meiosis, cell cycle phases, chromosome behavior, and the significance of cell division.

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