Name two weedicides.

Important Questions on Improvement in Food Resources

MEDIUM

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 28

Name the various pathogens of plant diseases.

EASY

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 29

Define weeding.

MEDIUM

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 30

Name the causative organism of Tikka of Groundnut. (Cercospora/ Ascomycota)

EASY

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 31

Why is storage of grains required?

EASY

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 32

Name two biotic factors which destroy stored food grains.

EASY

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 33

Why should gunny bags be treated with pesticides before storing food grains in them?

EASY

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 34

Gunny bags should be kept away from walls in store houses. Why?

EASY

9th CBSE

IMPORTANT

Biology for Class IX>Chapter 1 - Improvement in Food Resources>Exercise>Q 1

Why is it necessary to increase food production?