Interspecific hybridisation is the mating of:

1. animals within the same breed without having common ancestors
2. two different related species
3. superior males and females of different breeds
4. more closely related individuals within the same breed for 4-6 generations

Subtopic:  Animal Husbandry (OLD NCERT) |
 79%
From NCERT
NEET - 2016
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Among the following edible fishes, which one is a marine fish having a rich source of omega-3 fatty acids?

1. Mystus

2. Mangur

3. Mrigala

4. Mackerel

Subtopic:  Animal Husbandry (OLD NCERT) |
 82%
NEET - 2016
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Homozygous pure lines in cattle can be obtained by:

1. Mating of unrelated individuals of same breed.

2. Mating of individuals of different breed.

3. Mating of individuals of different species.

4. Mating of related individuals of same breed.

Subtopic:  Animal Husbandry (OLD NCERT) |
 86%
From NCERT
NEET - 2017
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Outbreeding is an important strategy in animal husbandry because it:

1. helps in the accumulation of superior genes.
2. is useful in producing pure lines of animals.
3. is useful in overcoming inbreeding depression.
4. exposes harmful recessive genes that are eliminated by selection.

Subtopic:  Animal Husbandry (OLD NCERT) |
 85%
From NCERT
NEET - 2015
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In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called:
 
1.  cross-hybridisation among the selected parents
2.  evaluation and selection of parents
3.  germplasm collection
4.  selection of superior recombinants
Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 91%
From NCERT
AIPMT - 2013
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To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?

1. Apical meristem only
2. Palisade parenchyma
3. Both apical and axillary meristems
4. Epidermis only
Subtopic:  Plant Tissue Culture |
 76%
From NCERT
AIPMT - 2014
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Which part would be most suitable for raising virus-free plants for micro propagation?

1. Bark

2. Vascular tissue

3. Meristem

4. Node

Subtopic:  Plant Tissue Culture |
 93%
From NCERT
AIPMT - 2012
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‘Jaya’ and ‘Ratna’, developed for the green revolution in India, are the varieties of:
1. rice 2. wheat
3. bajra 4. maize
Subtopic:  Impact: Green Revolution (OLD NCERT) |
 90%
From NCERT
AIPMT - 2011
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A collection of plants and seeds having diverse alleles of all the genes of a crop is called:
1.  germplasm
2.  gene library
3.  genome
4.  herbarium
Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 93%
From NCERT
AIPMT - 2011
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Mutations can be induced with:

1.  IAA

2.  ethylene

3.  gamma radiations

4.  infrared radiations

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 93%
From NCERT
AIPMT - 2011
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