Question: What are transparent materials? Give any two examples. Answer: Materials that allow all the light to pass through them are called transparent materials. Eg: clear glass and clean water. Question: What are translucent materials? Answer: Materials that allow some amount of light through them are called translucent materials. Question: …
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Question: What do you understand by pollution? Answer: Harmful change mode in the environment due to human activities is called pollution. Question: Name the four kinds of pollution? Answer: The four kinds of pollution are: Air pollution Water pollution Land pollution Noise pollution Question: How does air pollution harm us? Answer: …
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Question: Define Habitat and Adaptation. Answer: Habitat: The area where a particular animal naturally lives is called habitat. Adaptation: The changes in the feature or behavior of an organism that help it to survive in its habitat is called adaptation. Question: What does a habitat provide to an animal? Answer: …
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Question: Define germination. Answer: The process by which a seed forms into a new plant is called germination. Question: Name any three things that a seed requires to germinate. Answer: The three things that a seed requires to germinate are – Air Water Warmth. Question: Why do plants scatter their …
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Class Notes NCERT Solutions for CBSE Students