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Structural Organisation of a Cell Video Lecture | Science Class 9

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FAQs on Structural Organisation of a Cell Video Lecture - Science Class 9

1. What is the function of the cell membrane?
Ans. The cell membrane acts as a barrier, controlling the movement of substances in and out of the cell, and also plays a role in cell communication.
2. What is the main function of the nucleus in a cell?
Ans. The nucleus contains the cell's genetic material (DNA), which controls the cell's activities such as growth, metabolism, and reproduction.
3. How does the cytoplasm contribute to the functioning of a cell?
Ans. The cytoplasm is a jelly-like substance that fills the cell and is the site for many cellular activities, including metabolism, protein synthesis, and transportation of materials within the cell.
4. What are the similarities and differences between the cell membrane and the nucleus?
Ans. Both the cell membrane and nucleus are essential for cell function, but the cell membrane is a physical barrier while the nucleus is the control center containing genetic material.
5. How do the cell membrane, nucleus, and cytoplasm work together to maintain cell function?
Ans. The cell membrane regulates the movement of substances in and out of the cell, the nucleus controls cellular activities, and the cytoplasm provides a medium for cellular processes to occur, ensuring the overall functioning of the cell.
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