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FAQs on NCERT Textbook: Structural Organisation in Animals - Science & Technology for UPSC CSE

1. What is the study of structural organization in animals?
Ans. Structural organization in animals is the study of the different levels of organization in the body of animals and how they work together to maintain life. The organization ranges from cells to tissues, organs, and organ systems.
2. What is the importance of structural organization in animals?
Ans. Structural organization in animals is important because it allows for the proper function of different organ systems. It helps in understanding the anatomy and physiology of animals and how different systems work together to maintain life.
3. What is the role of cells in the structural organization of animals?
Ans. Cells are the basic structural and functional unit of animals. They form tissues, which in turn form organs and organ systems. Different types of cells have different functions that contribute to the overall function of the animal's body.
4. What are the different types of tissues in animals?
Ans. There are four types of tissues in animals: epithelial, connective, muscular, and nervous tissue. Epithelial tissues cover the body's surface and line organs and cavities. Connective tissues support and connect different parts of the body. Muscular tissues allow for movement, while nervous tissues transmit signals throughout the body.
5. How does the structural organization vary in different animal groups?
Ans. The structural organization varies in different animal groups based on their body plans and functions. For example, invertebrates have a simpler body plan than vertebrates. Some animals, like sponges, have a loose cell structure, while others, like humans, have highly specialized organ systems.
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