Previous Year Papers NEET Biology Class 11 – Cell Cycle and Cell Division

Cell Cycle and Cell Division is a crucial chapter of NEET Biology Class 11 that explains how cells grow, replicate, and divide. The chapter covers the stages of the cell cycle, mitosis, meiosis, and their significance in growth, repair, and reproduction.

NEET previous year papers often include conceptual and diagram-based questions from this chapter. Practicing PYQs helps students understand cell cycle regulation, differences between mitosis and meiosis, and chromosome behavior. Studentbro.in provides exam-focused material to support effective preparation.

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Cell Cycle – NEET PYQ Focus

The cell cycle is the sequence of events that a cell undergoes from one division to the next. It consists of interphase and the mitotic phase (M phase). Interphase includes G1 (growth), S (DNA synthesis), and G2 (preparation for mitosis).

Cell cycle checkpoints and regulation by cyclins and CDKs are important concepts tested in NEET. Previous year questions often involve the identification of stages and their significance.

Mitosis – Important NEET Concepts

Mitosis is the process of nuclear division that results in two genetically identical daughter cells. It occurs in somatic cells for growth and repair.

Stages of mitosis include prophase, metaphase, anaphase, and telophase, followed by cytokinesis. NEET questions frequently focus on identifying phases, diagrams, and chromosome behavior during mitosis.

Meiosis – Frequently Asked Questions

Meiosis is a reductional division that produces four haploid cells from a diploid parent cell. It is essential for sexual reproduction.

Meiosis involves two successive divisions: meiosis I and meiosis II. Processes like crossing over, chiasma formation, and independent assortment are often tested in NEET. Differences between meiosis and mitosis are commonly asked in previous year papers.

Significance of Cell Division

Cell division is vital for growth, repair, and reproduction. Mitosis maintains chromosomal number, while meiosis introduces genetic variation in gametes.

NEET questions often test the biological significance of mitosis and meiosis, including examples from plant and animal cells.

Control of Cell Cycle and Apoptosis

Cell cycle is regulated by checkpoints and regulatory proteins. Apoptosis or programmed cell death removes damaged or unnecessary cells.

NEET PYQs may include questions on checkpoint functions, tumor formation, or cell cycle anomalies. Understanding regulation mechanisms is important for conceptual clarity.

Importance of Previous Year Papers for NEET Biology

Practicing previous year papers helps students identify frequently tested topics, improve speed, and understand NEET question patterns. PYQs in this chapter focus on diagrams, stages, and differences between mitosis and meiosis.

Conclusion

Previous Year Papers of NEET Biology Class 11 Cell Cycle and Cell Division are essential for mastering cell biology. This chapter requires clear understanding of the cell cycle, mitosis, meiosis, and regulation of cell division.

Regular practice of PYQs helps students improve conceptual clarity, diagram-based answering, and confidence in NEET. Studentbro.in provides structured, exam-focused content to help NEET aspirants succeed.