Name the methods employed in animal breeding.According to you which one of the methods is the best? Why?

5

(a)

What are three option to increase food production? Discuss each giving the salient features, merits and demerits.

5

(a)

Briefly give an account of common diseases of fishes and the control of such diseases.

5

(a)

Discuss advantages of poultry farming.

5

(a)

Discuss the role of plant tissue culture in increasing food production.

5

(a)

One day, Geeta reached Delhi in the morning by train where she saw large consignment of flowers being unloaded from train. She asked her father why so much cut flowers were being brought to Delhi. Her father replied that growing flowers is a very good commercial activity and Delhi is a good market from where flowers are also exported.
Read the above passage and answer the following questions:
(i) What is floriculture?
(ii) What are the methods of increasing commercial production of plants?
(iii) Why did floriculturists bring cut flowers to Delhi?

5

(a)

With advancement in genetics, molecular biology and tissue culture, new traits have been incorporated into crop plants. Explain the main steps in breeding a new genetic variety of crop.

5

(a)

What is somatic hybridization? Explain the Various steps involved in the process. Mention any two uses of somatic hybridization.

5

(a)

What is single cell protein? Give its importance and two examples of SCP?

5

(a)

Name the man made cereal. How it was developed?

5

(a)