MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is the ten percent law? Explain with an example how energy flows through different trophic levels.

Important Questions on Our Environment

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 10
Why bacteria and fungi are called decomposers? List any two advantages of decomposers to the environment.
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 11
Distinguish between producers and decomposers.
 
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 11
Classify the following as producers and decomposers: Green plants, Bacteria, Fungi, Blue - green algae.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 12
How is a non-biodegradable pollutant different from a biodegradable pollutant? Give any four examples of non-biodegradable pollutants.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 13
Name the wastes which are generated in your house daily. What measures would you take for their disposal?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 14
How would you dispose of the following wastes? (i) Domestic wastes like vegetable peels (ii) Industrial wastes like metallic cans (iii) Plastic material.
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 15
What is 'environmental pollution'?
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5A>Q 15
Distinguish between biodegradable and non-biodegradable pollutants.