MEDIUM
9th CBSE
IMPORTANT
Earn 100

What are the disadvantages of excessive use of chemical fertilizers?

Important Questions on Improvement in Food Resources

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 9
What is meant by organic farming? What type of materials are used for organic farming?
MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 10
Give the names of two green manures.
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 1
What is irrigation? Why do we irrigate crops?
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 2
What are the different sources of irrigation?
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 3
What are check-dams? What is their purpose?
MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 4
In what type of areas river lift system is more applicable?
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 5
How do the poor monsoons cause crop failure?
MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 1
What is multiple cropping? What is its advantages?