Explain advantages of irrigation.

Important Questions on Improvements in Food Resources

HARD

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 25

Explain, how the efficiency of irrigation can be increased.

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 26

Explain the various factors which are responsible for the loss of stored food grains.

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 27

Explain the various preventive measures which are taken before storing the food grains.

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 28

Describe how drying of food grain is done.

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 29

Write down three unique characteristics of the storage structure.

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 30

Describe the various methods of controlling pests attacking stored grains.

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 31

As an in-charge of a grain store, how will you find out the presence of pests?

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 32

How does fumigation differ from spraying?