MEDIUM
9th CBSE
IMPORTANT
Earn 100

Cultivation practices and crop yield are related to environmental condition. Explain.

Important Questions on Improvement in Food Resources

EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 10
Arrange the following statements in the correct sequence of preparation of green manure:
(a) Green plants are decomposed in soil.
(b) Green plants are cultivated for preparing manure or crop plant parts are used.
(c) Plants are ploughed and mixed into the soil.
(d) After decomposition, it becomes green manure.
MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 11
An Italian bee variety A. mellifera has been introduced in India for honey production. Write about its merits over other varieties.
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 12
In agricultural practices, higher input gives a higher yield. Discuss how.
MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 13
Discuss the role of hybridisation in crop improvement.
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 14
Discuss various methods of weed control.
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 15
Write the modes by which insects affect the crop yield.
EASY
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 16
Name two types of animal feed and write their functions.
MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-1 (SA-1) Questions>Q 17
Suggest some preventive measures for the diseases of poultry birds.