PAPER-PEN TEST :
Author:Subha Raghavan & E Annapurna
Subha Raghavan Biology Solutions for Exercise - PAPER-PEN TEST :
Simple step-by-step solutions to PAPER-PEN TEST : questions of Our Environment from CBSE Concise Biology Part 3. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from PAPER-PEN TEST : with Hints & Solutions
EASY
10th CBSE
IMPORTANT
What is the structural and functional unit of a biosphere?
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HARD
10th CBSE
IMPORTANT
Give any four methods of waste disposal.
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MEDIUM
10th CBSE
IMPORTANT
Explain the concept of the food chain with an example.
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MEDIUM
10th CBSE
IMPORTANT
Give any one example of the two-step food chain.
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MEDIUM
10th CBSE
IMPORTANT
Give any one example of the three-step food chain.
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MEDIUM
10th CBSE
IMPORTANT
Give any one example of the four-step food chain.
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HARD
10th CBSE
IMPORTANT
Explain the flow of energy in an ecosystem.
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MEDIUM
10th CBSE
IMPORTANT
Explain the different trophic levels in an ecosystem by giving examples in pond and grassland ecosystems.
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