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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich part would be most suitable for raising virus-free plants for micropropagation?
1. Bark
2. Vascular tissue
3. Meristem
4. Node
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology'Jaya', and 'Ratna', developed for green revolution in India are the varieties of
1. rice
2. wheat
3. bajra
4. maize
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology'Himgiri' developed by hybridisation and selection for disease resistance against rust pathogens is a variety of
1. maize
2. sugarcane
3. wheat
4. chilli
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBreeding of crops with high levels of minerals, vitamins and proteins is called
1. somatic hybridisation
2. biofortification
3. biomagnification
4. micropropogation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySomaclones are obtained by
1. tissue culture
2. plant breeding
3. irradiation
4. genetic engineering
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn cloning of cattle a fertilized egg is taken out of the mother's womb and:
1. the egg is divided into 4 pairs of cells which are implanted into the womb of other cows
2. in the eight cell stage, cells are separated and cultured until small embryos are formed
which are implanted into the womb of other cows
3. in the eight cell stage the individual cells are separated under electrical field for further
development in culture media
4. from this upto eight identical twins can be produced
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology