Give two examples of fodder crops.

Important Questions on Improvement in Food Resources

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 21

Watershed management is meant for distributing water for irrigation of fields.

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 22

Excess use of fertilisers can lead to water pollution.

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 23

Blue-green algae are used in the preparation of biopesticides.

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 26

Name two fertilisers supplying N, P, K to crops.

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 27

What are the factors on which irrigation requirements depend?

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 28

What are the various irrigation systems adopted in India?

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 29

How are diseases transmitted in crops?

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 15 - Improvement in Food Resources>ASSESS YOURSELF>Q 30

How do weeds damage crops?