State four reasons for water scarcity. 

Important Questions on Natural Resources and its Sustainable Use

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 10

 Mention the advantages of rainwater harvesting. 

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 11

Write about animal husbandry in human welfare. 

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 12

 What is poultry? 

HARD

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 13

State one case study in connection with the world food problem. 

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 14

Write any two points in connection with energy conservation in daily life. 

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 15

Write about any two uses of energy.

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 1

Write about the causes of deforestation. 

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 16 - Natural Resources and its Sustainable Use>EXERCISE>Q 2

Write about five functions of the forest.