EASY
Stage 1 & 2
IMPORTANT
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In food chain, lion is a 

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Important Questions on Our Environment

MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 12
The correct sequence of food chain is 
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 13
Ecosystem consist of
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 14
In a food chain total amount of living material is depicted by 
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 15
These belong to the category of primary consumers
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 16
If a water body is contaminated with a toxicant, its biomagnification will be more marked in
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 17
Biological equilibrium is found among the 
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 18
In terrestrial ecosystem such as forest, maximum energy is found in which trophic level
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 9 - Our Environment>Target Exercise>Q 19
Most stable ecosystem is