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Q. No.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.
85%
Level 1: 80%+
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 |
90%
Level 1: 80%+
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 |
75%
Level 2: 60%+
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 |
92%
Level 1: 80%+
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 |
89%
Level 1: 80%+
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
1. germplasm
2. gene library
3. genome
4. herbarium
92%
Level 1: 80%+
AIPMT - 2011
Hints
93%
Level 1: 80%+
AIPMT - 2011
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Links
‘Himgiri’ developed by hybridization and selection for disease resistance against rust pathogens is a variety of:
1. maize
2. sugarcane
3. wheat
4. chilli
1. maize
2. sugarcane
3. wheat
4. chilli
89%
Level 1: 80%+
AIPMT - 2011
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Breeding of crops with high levels of minerals, vitamins, and proteins is called:
| 1. | somatic hybridization |
| 2. | biofortification |
| 3. | biomagnification |
| 4. | micropropagation |
90%
Level 1: 80%+
AIPMT - 2010
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Somaclones are obtained by:
1. tissue culture
2. plant breeding
3. irradiation
4. genetic engineering
Subtopic: Plant Tissue Culture |
88%
Level 1: 80%+
AIPMT - 2009
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