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PPT on The Fundamental Unit of Life : Cell - Class 9 PDF Download

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FAQs on PPT on The Fundamental Unit of Life : Cell - Class 9

1. What is a cell?
Ans. A cell is the basic unit of life and is the smallest structural and functional unit of an organism. Each living organism is composed of more than one cell and performs essential functions such as respiration, digestion, and excretion.
2. What are the different types of cells?
Ans. There are two basic types of cells- prokaryotic and eukaryotic. Prokaryotic cells are unicellular and are found in bacteria, while eukaryotic cells are multicellular and are found in animals and plants.
3. What is the function of a cell membrane?
Ans. The cell membrane is a thin and flexible layer that encloses the cell and separates its interior from the external environment. It regulates the movement of substances in and out of the cell and helps in maintaining the cell's shape.
4. What is the role of the nucleus in a cell?
Ans. The nucleus is the control center of the cell and is responsible for regulating gene expression, cell division, and DNA replication. It contains the genetic material or DNA that carries the hereditary information of the organism.
5. What is the importance of studying cells?
Ans. The study of cells is significant as it helps us understand the structure, function, and behavior of living organisms. It provides insights into the mechanisms of diseases, the development of new treatments, and the evolution of life on earth.
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