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Class 7 Science Chapter 9 NCERT Book - Life Processes in Animals

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FAQs on Class 7 Science Chapter 9 NCERT Book - Life Processes in Animals

1. What are the main life processes in animals?
Ans.The main life processes in animals include nutrition, respiration, transportation, excretion, and reproduction. These processes are essential for the survival and functioning of all living organisms.
2. How do animals obtain their food?
Ans.Animals obtain their food through various methods such as herbivores that eat plants, carnivores that consume other animals, and omnivores that eat both plants and animals. The process of obtaining and consuming food is called nutrition.
3. What is the role of respiration in animals?
Ans.Respiration is the process through which animals take in oxygen and release carbon dioxide. It is crucial for breaking down food to release energy, which is necessary for all bodily functions.
4. How do animals excrete waste?
Ans.Animals excrete waste products through various organs. For instance, mammals use kidneys to filter blood and produce urine, while other animals may use different means such as gills or skin to eliminate waste.
5. Why is reproduction important for animals?
Ans.Reproduction is important for animals as it ensures the continuation of species. It allows for the birth of new individuals, which helps maintain population numbers and genetic diversity within a species.
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