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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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe crops engineered for glyphosate are resistant/tolerant to:
2. bacteria
3. insects
4. herbicides
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following enhances or induces the fusion of protoplasts?
2. Polyethylene glycol and sodium nitrate
3. IAA and kinetin
4. IAA and gibberellins
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn vitro clonal propagation in plants is characterized by:
1. PCR and RAPD
2. Northern blotting
3. Electrophoresis and HPLC
4. Microscopy
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTo 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 & Biology| 1. | cross-hybridisation among the selected parents |
| 2. | evaluation and selection of parents |
| 3. | germplasm collection |
| 4. | selection of superior recombinants |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | genetically uniform population identical to the original parent |
| 2. | homozygous diploid plants |
| 3. | development of new species |
| 4. | variants through picking up somaclonal variations |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Saccharomyces cerevisiae
2. Bacillus thuringiensis
3. Streptococcus sp.
4. Trichoderma sp.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | The pattern of development of a somatic embryo is comparable to that of a zygotic embryo |
| 2. | Somatic embryos can develop from microspores |
| 3. | Somatic embryo is induced usually by an auxin such as 2, 4–D |
| 4. | A somatic embryo develops from a somatic cell |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich part would be most suitable for raising virus-free plants for micro propagation?
1. Bark
2. Vascular tissue
3. Meristem
4. Node
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