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 |
 88%
From NCERT
NEET - 2014
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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. selection of superior recombinations

2. cross-hybridisation among the selected parents

3. evaluation and selection of parents

4. germplasm collection

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 89%
From NCERT
NEET - 2013
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Which part would be most suitable for raising virus-free plants for micropropagation?

1. Bark 2. Vascular tissue
3. Meristem 4. Node
Subtopic:  Plant Tissue Culture |
 96%
From NCERT
NEET - 2012
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Consumption of which one of the following foods can prevent the kind of blindness

associated with vitamin-A deficiency ?

1. Flaver savr tomato

2. Canolla

3. Golden rice

4. Bt-brinjal

Subtopic:  Other GM Crops |
 90%
From NCERT
NEET - 2012
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Which one of the following is a case of wrong matching ?

1. Somatic hybridisation - Fusion of two diverse cells

2. Vector DNA - Site for tRNA synthesis

3. Micropropogation - In vitro production of plants in large numbers

4. Callus - Unorganised mass of cells produced in tissue culture

Subtopic:  Tools: Vectors: I | Tools |
 72%
NEET - 2012
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'Jaya', and 'Ratna', developed for green revolution in India are the varieties of

1. rice

2. wheat 

3. bajra

4. maize

Subtopic:  Impact: Green Revolution (OLD NCERT) |
 88%
From NCERT
NEET - 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) |
 94%
From NCERT
NEET - 2011
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'Himgiri' developed by hybridisation and selection for disease resistance against rust pathogens is a variety of

1. maize

2. sugarcane

3. wheat

4. chilli

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 91%
From NCERT
NEET - 2011
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When two unrelated individuals or lines are crossed, the performance of F1 hybrid is often

superior to both its parents. This phenomenon is called

1. transformation

2. splicing

3. metamorphosis

4. heterosis

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 63%
NEET - 2011
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Breeding of crops with high levels of minerals, vitamins and proteins is called

1. somatic hybridisation

2. biofortification

3. biomagnification

4. micropropogation

Subtopic:  Plant Breeding for Quality (OLD NCERT) |
 90%
From NCERT
NEET - 2010
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