Name a man-made cereal? Trace how it was developed and where is it used?

(b) A 250 kg cow produces 200 g of protein per day but 250 g of Methylophillus methylotrophus can produce 25 tonnes of protein Name this emerging area of research. Explain its benefits.

Name the improved characteristics of wheat that helped India to achieve green revolution.

Which one of the following products of apiculture is used in cosmetics and polishes:

Inbreeding is carried out in animal husbandry because it:

A few statements are given below followed by a set of terms in a box. Pick the correct term and write it against the appropriate statement
c. Mating of animals of two different species

(i) Cross breeding, (ii) Inter-specific hybridization, (iii) Out breeding, (iv) Out crossing, (v) Inbreeding

A farmer was facing the problem of low yield from his farm. He was advised to keep a beehive in the vicinity. Why? How would the beehive help in enhancing yield?

How is a somatic hybrid different from a hybrid?

What are the physical barriers of a cell in the protoplast fusion experiment? How are the barriers overcome?

Differentiate between pisciculture and aquaculture.

A few statements are given below followed by a set of terms in a box. Pick the correct term and write it against the appropriate statement
b. Mating of animals of same breed but having no common ancestors on either side for 4-6 generations

(i) Cross breeding, (ii) Inter-specific hybridization, (iii) Out breeding, (iv) Out crossing, (v) Inbreeding

More than 70 per cent of livestock population is found in:

Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed:

Give two important contributions of Dr. M. S. Swaminathan.

It is said, that diseases are spreading faster due to globalisation and increased movement of people. Justify the statement taking the example of H5N1 virus.

What is emasculation? Why and when is it done?

Discuss natural selection and artificial selection. What are the implications of the latter on the process of evolution?

A group of animals which are related by descent and share many similarities are referred to as:

The term ‘desirable trait’ can mean different things for different plants. Justify the statement with suitable examples.

Micro-propagation is: