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Cell - The Structure and Functions - 1 Video Lecture | Biology Class 6 ICSE

FAQs on Cell - The Structure and Functions - 1 Video Lecture - Biology Class 6 ICSE

1. What is a cell and why is it considered the basic unit of life?

Ans.A cell is the smallest structural and functional unit of an organism. It is considered the basic unit of life because all living organisms are made up of cells, and they perform essential functions necessary for life, such as growth, reproduction, and response to the environment.

2. What are the main parts of a cell and their functions?

Ans.The main parts of a cell include the cell membrane, cytoplasm, nucleus, and organelles like mitochondria and ribosomes. The cell membrane controls what enters and exits the cell, the cytoplasm is the gel-like substance where cell activities occur, the nucleus contains genetic material and controls cell activities, and organelles perform specific functions, such as energy production and protein synthesis.

3. How do plant cells differ from animal cells?

Ans.Plant cells differ from animal cells in several ways. Plant cells have a rigid cell wall that provides structure and support, chloroplasts for photosynthesis that allow them to make their own food, and a large central vacuole that stores water and helps maintain turgidity. Animal cells, on the other hand, do not have these structures and are generally more flexible.

4. What is the function of the nucleus in a cell?

Ans.The nucleus acts as the control center of the cell. It houses the cell’s DNA, which contains the genetic instructions necessary for growth, development, and reproduction. The nucleus regulates gene expression and coordinates activities such as cell division and metabolism.

5. Why is it important to study cells in science?

Ans.Studying cells is important in science because they are the building blocks of all living organisms. Understanding cell structure and function helps scientists learn about health, disease, and biological processes. This knowledge is crucial for medical advancements, biotechnology, and environmental science.

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Oct 12, 2025 Last updated

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