Give the merits and demerits of fish culture.

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-II (SA-II) Questions>Q 4

What would happen if poultry birds are larger in size and have no summer adaptation capacity? In order to get small sized poultry birds, having summer adaptability, what method will be employed?

MEDIUM

9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-II (SA-II) Questions>Q 5

What is meant by polyculture of fish? Describe it in detail along with the problems faced for this culture system. Also, write its another name.

EASY

9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-II (SA-II) Questions>Q 6

What is meant by cattle farming? Suggest some methods for increasing milk production. Also write three diseases of the cattle and their preventive methods.

EASY

9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-II (SA-II) Questions>Q 7

Describe various biotic and abiotic factors responsible for damage of stored food materials.

MEDIUM

9th CBSE

IMPORTANT

Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Short Answer Type-II (SA-II) Questions>Q 8

What are fertilizers? Write the names of various types of fertilizers. Also, discuss their advantages and disadvantages.

MEDIUM

9th CBSE