EASY
10th CBSE
IMPORTANT
Earn 100

The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about

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Important Questions on Our Environment

EASY
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Multiple Choice Questions (MCQs)>Q 17

In the given figure, the various trophic levels are shown in a pyramid. At which trophic level is maximum energy available?

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EASY
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Multiple Choice Questions (MCQs)>Q 18

What will happen if deer is missing in the food chain given below?

Grass → Deer → Tiger

EASY
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Multiple Choice Questions (MCQs)>Q 19
Decomposers are made up of the FBI (fungi, bacteria and invertebrates—worms and insects) that
EASY
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Multiple Choice Questions (MCQs)>Q 20
If a grasshopper is eaten by a frog, then the energy transfer will be from 
EASY
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Multiple Choice Questions (MCQs)>Q 21
Disposable plastic plates should not be used because
EASY
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Short Answer Type Questions>Q 22
Why is improper disposal of waste a curse to the environment?
MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Short Answer Type Questions>Q 23
Write the common food chain of a pond ecosystem.
EASY
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 15 - Our Environment>Short Answer Type Questions>Q 24
What are the advantages of cloth bags over plastic bags during shopping?