The best plant explant to raise virus free plant is:

(1) embryo

(2) vessels

(3) meristem

(4) Leaf

The agriculture practice of breeding and raising livestock is called as:

(1) Domestication

(2) Breeding

(3) Animal husbandry

(4) Bio-fortification

Consider the following two statements:

I. In spite of having more than 70 percent of the world livestock population, the contribution of India and China to the world farm produce is only 25 percent.

II. The productivity per unit of cattle in these countries is very low.

(1) Both I and II are true and II explains I

(2) Both I and II are true but II does not explain I

(3) I is true but II is false

(4) Both the statements are not true

The management of animals for milk and its products for human consumption is called as:-
1. Animal breeding
2. Dairying
3. Domestication
4. Animal husbandry

Which of the following is the most important factor that would lead to increased milk yield in cattle ?

(1) Selection of good breeds

(2) Resistance to diseases

(3) Stringent cleanliness and hygiene

(4) Provision of ideal environmental conditions to cattle

Amongst the following the number of fresh water fishes is:

Catla, Rohu, Common carp, Hilsa, Sardines, Mackerel, Pomfrets

1. 2

2. 3

3. 4

4. 5

A group of animals related by descent and similar in most characters like general appearance, features, size, configuration, etc., are said to belong to a:

(1) Variety

(2) Species

(3) Strain

(4) Breed

The purposeful manipulation of plant species in order to create desired plant types that are better suited for cultivation, give better yields and are disease resistant is called:

1. Breeding

2. Genetic farming

3. Phytoremediation

4. r DNA technology

Hisardale is a new breed of:

(1) Sheep developed by crossing Bikaneri ewes and Marino rams.

(2) Sheep developed by crossing Bikaneri rams and Marino ewes.

(3) Goat developed by crossing Bikaneri ewes and Marino rams.

(4) Goat developed by crossing Bikaneri rams and Marino ewes.

Today, all our major food crops are derived from:

1. Wild varieties

2. Domesticated varieties

3. Genetically modified varieties

4. Plant tissue culture