Cell Cycle and Cell Division — Class 11 Biology NCERT Solutions (Free)
Free step-by-step NCERT solutions for Class 11 Biology chapter "Cell Cycle and Cell Division" — 7 important questions with detailed answers for CBSE board exam preparation.
TL;DR: Free step-by-step NCERT solutions for Class 11 Biology chapter "Cell Cycle and Cell Division" — 7 important questions with detailed answers for CBSE b…
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Key Questions Covered:
- Define the cell cycle and name its two main phases.
- What is mitosis? Describe the phases of mitosis with key events in each.
- What is cytokinesis? Describe differences between plant and animal cytokinesis.
- + 4 more questions in the full chapter
Solutions Summary:
| Question | Status |
|---|---|
| Define the cell cycle and name its two main phases. | ✓ Solved |
| What is mitosis? Describe the phases of mitosis with key … | ✓ Solved |
| What is cytokinesis? Describe differences between plant a… | ✓ Solved |
Showing 3 of 7 questions
Q1: Define the cell cycle and name its two main phases.
The cell cycle is the series of events occurring in a cell between one division and the next. It includes the period of growth and DNA replication (interphase) and the period of cell division (M phase). The two main phases are:
1. Interphase:
- G1 phase (gap 1): Cell growth, normal metabolic activi...
Q2: What is mitosis? Describe the phases of mitosis with key events in each.
Mitosis is the process of nuclear division resulting in two daughter nuclei, each with identical chromosome number and genetic content as the parent cell. It maintains genetic continuity. Phases (in order):
1. Prophase:
- Chromosomes condense and become visible (each composed of two sister chromati...
Q3: What is cytokinesis? Describe differences between plant and animal cytokinesis.
Cytokinesis is the division of cytoplasm, resulting in two daughter cells after mitosis or meiosis. It occurs during or after telophase. Cytokinesis is distinct from mitosis (nuclear division).
Animal cell cytokinesis (furrow cleavage):
1. Cleavage furrow forms at cell equator; deep groove pinches ...
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