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10th CBSE
IMPORTANT
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If a grasshopper is eaten by a frog, then the energy transfer will be from

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Important Questions on Our Environment

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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 55
An ecosystem includes:
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 56
The decomposers in an ecosystem
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 57
What will happen if deer is missing in the food chain given below?
Grass →Deer →Tiger
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 58
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 59
Question Image
The above diagram represents:
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 60
In the following groups of materials, which group/groups contain only non-biodegradable materials?
(i) wood, paper, leather
(ii) polythene, detergent, PVC
(iii) plastic, detergent, grass
(iv) plastic, bakelite, DDT
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 61
Which of the following statement is incorrect?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Multiple Choice Questions (MCQs)>Q 62

Which of the following group of organisms is not constituents of a food chain?

(i) grass, lion, rabbit, wolf

(ii) plankton, man, fish, grasshopper

(iii) wolf, grass, snake, tiger

(iv) frog, snake, eagle, grass, grasshopper