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Q. No.Which of the following is incorrect regarding out-crossing in animal breeding?
1. It is the practice of mating of animals within the same breed, but having no common ancestors on either side of their pedigree up to 4-6 generations
2. It is the best breeding method for animals that are below average in productivity in milk production and growth rate etc.
3. It can overcome inbreeding depression
4. It was employed for producing a new breed of sheep called Hisardale
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Identify the incorrectly matched pair:
| 1. | Golden rice | Vitamin A enriched |
| 2. | Parbhani kranti | Resitance to yellow mosaic virus transferred from a wild species |
| 3. | Jaya and Ratna | Semi-dwarf rice varieties |
| 4. | Sonalika and kalyan Sona | Varieties of sugarcane grown in south India |
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If you want to generate virus-free plant through micropropagation [plant tissue culture], the explant you should use is:
1. Meristem
2. Embryo
3. Anther
4. Ovule
1. Meristem
2. Embryo
3. Anther
4. Ovule
Subtopic: Plant Tissue Culture |
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Identify the incorrect statement:
| 1. | Somatic hybridization has been used to produce pomato though it is not used commercially |
| 2. | Methylophilus methylotropus [bacterium] and Spirullina [blue-green algae] are sources of single cell protein |
| 3. | Plant cells do not show cellular totipotency and hence cannot be cultured |
| 4. | Gamma radiations are used to induce mutations in plants |
Subtopic: Plant Tissue Culture |
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Which scientist, given in Column I, is not correctly matched with the contribution given in Column II?
| Column I | Column II | |
| 1. | Norman Borlaug | Blue revolution |
| 2. | Florey and Chain | Established penicillin for commercial use |
| 3. | Cohen and Boyer | Recombinant DNA technology |
| 4. | Fred Sanger | Human genome sequencing |
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In Multiple Ovulation Embryo Transfer Technology [MOET] for animal breeding:
I. FSH like drug is used to induce super-ovulation
II. The fertilized eggs at 8 – 32 cells stage are transferred to genetic mother
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I. FSH like drug is used to induce super-ovulation
II. The fertilized eggs at 8 – 32 cells stage are transferred to genetic mother
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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Breeding crops, with higher levels of vitamins and minerals or higher proteins and healthier fats, is called:
1. Bio-accumulation
2. Bio-magnification
3. Bio-remediation
4. Bio-fortification
1. Bio-accumulation
2. Bio-magnification
3. Bio-remediation
4. Bio-fortification
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NEET - 2022
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The term 'Blue Revolution' is related with :
1. Various crop plants and their by-products
2. Development of water reservoirs
3. Honey and its by-products
4. Fishery industry
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NEET - 2022
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Bee-keeping helps to improve the yield of following crops except ____________.
1. Jowar
2. Sunflower
3. Apple
4. Mustard
From NCERT
NEET - 2022
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Assertion (A): In plant tissue culture, somatic embryos can be induced from any plant cell.
Reason (R): Any viable plant cell can differentiate into somatic embryos.
1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true and (R) is not the correct explanation of (A)
3. (A) is true, (R) is false
4. (A) is false, (R) is true
Reason (R): Any viable plant cell can differentiate into somatic embryos.
1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true and (R) is not the correct explanation of (A)
3. (A) is true, (R) is false
4. (A) is false, (R) is true
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Plant Tissue Culture |
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