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Quiz Time - Cell - Class 9 Biology - Science Video Lecture | CBSE Class 9 Biology(CELLS)-Videos & Documents by Let's tute

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FAQs on Quiz Time - Cell - Class 9 Biology - Science Video Lecture - CBSE Class 9 Biology(CELLS)-Videos & Documents by Let's tute

1. What is a cell?
Ans. A cell is the basic structural and functional unit of all living organisms. It is the smallest unit of life that can perform all the necessary functions for survival.
2. What are the different types of cells?
Ans. There are two main types of cells: prokaryotic cells and eukaryotic cells. Prokaryotic cells, such as bacteria, do not have a well-defined nucleus, while eukaryotic cells, found in plants, animals, and fungi, have a nucleus enclosed within a membrane.
3. What are the functions of a cell?
Ans. Cells perform various functions to maintain the life of an organism. Some of the important functions include carrying out metabolism, reproducing, responding to stimuli, and maintaining homeostasis. Cells also play a role in growth, development, and providing structural support.
4. How do cells communicate with each other?
Ans. Cells communicate with each other through various mechanisms. One common method is through chemical signaling, where cells release signaling molecules called hormones or neurotransmitters, which then bind to specific receptors on target cells. Another way cells communicate is through direct contact via gap junctions, allowing for the exchange of ions and small molecules.
5. What is the importance of studying cells in biology?
Ans. The study of cells is crucial in biology as it helps us understand the fundamental processes of life. By studying cells, scientists can unravel the mysteries of how living organisms function, develop, and interact with their environment. This knowledge is essential for advancements in medicine, biotechnology, and other fields of science.
6 videos|3 docs
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