Question 1

Which of the following is an inexhaustible natural resource?

Accepted Answer

Solar energy is an inexhaustible natural resource because it will not get depleted by human consumption and is continuously available.

Question 2

What does the '3 R's' strategy to save the environment stand for?

Accepted Answer

The 3 R's stand for Reduce, Reuse, and Recycle, which are essential principles for sustainable resource management.

Question 3

Which of the following groups contains only biodegradable items?

Accepted Answer

Grass, flowers, and leather are biodegradable as they can be easily broken down by biological processes.

Question 4

Which of the following is a fossil fuel?

Accepted Answer

Coal is a fossil fuel formed from the remains of ancient plants and animals buried under the earth.

Question 5

What is the main cause of the pollution of the river Ganga?

Accepted Answer

Discharge of untreated industrial effluents and sewage directly into the river is the main cause of Ganga's pollution.

Sustainable Management of Natural Resources — NCERT Class 10 Science Important Questions & Revision Notes