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Category: Biology

What is biological magnification ? Will the levels of this magnification be different at different levels of the ecosystem?

Class 10 Biology
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Will the impact of removing all the organisms in a trophic level be different for different trophic levels ? Can the organisms of any trophic level be removed without causing any damage to the ecosystem ?

Class 10 Biology
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What will happen if we kill all the organisms in one trophic level?

Class 10 Biology
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Managing the garbage we produce

Class 10 Biology Notes
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Ozone Layer Depletion

Notes Class 10 Biology
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FOOD CHAIN AND FOOD WEB

Notes Class 10 Biology
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ECOSYSTEM 

Class 10 Biology Notes
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OUR ENVIRONMENT

Class 10 Biology Notes
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Which of the following are environment friendly practices ? (a) Carrying cloth-bags to put purchases in while shopping (b) Switching off unnecessary lights and fans (c) Walking to school instead 

Class 10 Biology
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Which of the following constitutes a food-chain ? (a) Grass, wheat and mango (b) Grass, goat and human (c) Goat, cow and elephant (d) Grass, fish and goat

Class 10 Biology
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Which of the following groups contain only biodegradable items ? (a) Grass, flowers and leather (b) Grass, wood and plastic (c) Fruit peels, cake and lime juice (d) Cake, wood and grass

Class 10 Biology
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How can you help in reducing the problem of waste disposal ? Give any two methods.

Class 10 Biology
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