MEDIUM
9th CBSE
IMPORTANT
Earn 100

Distinguish between mixed cropping and intercropping.

Important Questions on Improvements in Food Resources

MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 6
Explain the advantages and disadvantages of mixed cropping.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 7
Define intercropping. How does it differ with mixed cropping.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 8
Write down the disadvantages of crop rotation.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 9
Write about three main criteria which should be considered while selecting the crops for rotation?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 10
Why are leguminous crops desirable in crop rotation?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 11
Explain various steps in hybridization of crop plants?
HARD
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 12
Define plant breeding? Describe the various methods of plant breeding.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 1 - Improvements in Food Resources>REVISION QUESTIONS>Q 13
Describe the biological method of weed control.