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

Subtopic:  Animal Husbandry (OLD NCERT) |
 79%
From NCERT
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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

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 66%
From NCERT
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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.

Subtopic:  Animal Husbandry (OLD NCERT) |
 88%
From NCERT
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Today, all our major food crops are derived from:

1. Wild varieties

2. Domesticated varieties

3. Genetically modified varieties

4. Plant tissue culture

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
From NCERT
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There are several species of honeybees which can be reared. Of these the species reared in India is:

(1) Apis indica

(2) Apis dorsata

(3) Trigona iridipennis

(4) Apis mellifera

Subtopic:  Animal Husbandry (OLD NCERT) |
 95%
From NCERT
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Consider the following two statements:

I. An effective germplasm collection is the prerequisite of any successful plant breeding program.

II. Genetic variability is the root of any breeding program.

1. Both I and II are true and II explains I

2. Both I and II are true and II dose not explains I

3. I is true but II is false

4. I is false but II is true

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 69%
From NCERT
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Arrange the following steps of a plant breeding program in a correct chronological manner:

I. Selection and testing of superior recombinants

II. Collection of variability

III. Cross-hybridization among the selected parents

IV. Evaluation and selection of parents

V. Testing, release and commercialization of new cultivars

1. II, IV, I, III, V

2. IV, I, II, III, V

3. II. IV, III, I, V

4. IV, III, II, I, V

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 74%
From NCERT
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The best breeding method for animals that are below average in productivity in milk production would be:

1. Inbreeding

2. Out-crossing

3. Cross-breeding

4. Interspecific hybridisation

Subtopic:  Animal Husbandry (OLD NCERT) |
 65%
From NCERT
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Identify the option where all columns are not correctly matched:

      Crop                 Variety                       Resistant to

1.  Wheat              Himgiri                        Leaf rust

2. Brassica             Pusa Swarnim               White rust

3. Cowpea             Pusa komal                   Black rot

4. Chilli                  Pusa sadabahar             Leaf curl

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 60%
From NCERT
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In mung bean the resistance to yellow mosaic virus and powdery mildew were introduced by:

1. Mutations

2. Hybridization

3. Tissue culture

4. Genetic engineering

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 85%
From NCERT
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