Biosphere includes

Important Questions on Natural Resources

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 10

The quality of the environment can be improved by: 

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 11

Fertility of the soil is reduced by:

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 12

Deforestation causes

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 13

The average amount of ${\mathrm{CO}}_2$ in the atmosphere is

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 14

The average amount of N₂ in the atmosphere is:

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 15

Soil erosion can be prevented by

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 16

What happens when rain falls on soil without vegetational cover?

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9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 5 - Natural Resources>Multiple Choice Questions (MCQs)>Q 17

Oxygen is harmful for