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Q. No.Inbreeding is important in animal husbandry because it:
1. increases vigour
2. improves the breed
3. increases heterozygosity
4. increases homozygosity
Subtopic: Animal Husbandry (OLD NCERT) |
84%
From NCERT
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What are the desirable traits in sugarcane for a farmer?
| 1. | Thin stem, long internodes, high sugar content and disease resistant |
| 2. | Thick stem, long internodes, high sugar content and disease resistant |
| 3. | Thick stem, short internodes, high sugar content, disease resistant |
| 4. | Thick stem, low sugar content and disease susceptible |
Subtopic: Insect & Pest Resistance (OLD NCERT) |
87%
From NCERT
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Which blue green alga can be an alternate source of proteins for animal and human nutrition?
1. Chlorella
2. Cladophora
3. Methylophilus
4. Spirulina
Subtopic: Single Cell Protein (OLD NCERT) |
59%
From NCERT
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Which of the following properties is the reason that whole plants can be regenerated from explants?
1. Phenotypic plasticity
2. Cellular totipotency
3. Open growth
4. Open differentiation
1. Phenotypic plasticity
2. Cellular totipotency
3. Open growth
4. Open differentiation
Subtopic: Plant Tissue Culture |
92%
From NCERT
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The best explant for regenerating virus free plantlets would be:
1. Embryo
2. Meristem
3. Anther
4. Endosperm
1. Embryo
2. Meristem
3. Anther
4. Endosperm
Subtopic: Plant Tissue Culture |
94%
From NCERT
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In Abelmoschus esculentus, resistance to yellow mosaic virus was brought about by:
1. Mutation breeding
2. Biofortification
3. Tissue culture
4. Hybridization and selection
1. Mutation breeding
2. Biofortification
3. Tissue culture
4. Hybridization and selection
Subtopic: Breeding for Disease Resistance (OLD NCERT) |
From NCERT
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Select the incorrect statement with respect to inbreeding of animals.
1. It is used for evolving pure lines in cattle.
2. It helps in accumulation of superior genes and elimination of less desirable genes.
3. It decreases homozygosity.
4. It exposes harmful recessive genes that are eliminated by selection
1. It is used for evolving pure lines in cattle.
2. It helps in accumulation of superior genes and elimination of less desirable genes.
3. It decreases homozygosity.
4. It exposes harmful recessive genes that are eliminated by selection
Subtopic: Animal Husbandry (OLD NCERT) |
92%
From NCERT
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Which one of the following is not an advantage of inbreeding?
| 1. | It decreases the productivity of inbred population, after continuous inbreeding. |
| 2. | It decreases homozygosity. |
| 3. | It exposes harmful recessive genes that are eliminated by selection. |
| 4. | Elimination of less desirable genes and accumulation of superior genes takes place due to it. |
Subtopic: Animal Husbandry (OLD NCERT) |
From NCERT
NEET - 2023
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Select the incorrect statement with respect to Multiple Ovulation Embryo Transfer (MOET) technology.
| 1. | Fertilised eggs at 4 to 6 cells - stages are recovered non-surgically from a super-ovulating cow and transferred to a surrogate mother. |
| 2. | It is used to increase herd size in a short time |
| 3. | Cow is administered with hormones to induce super-ovulation. |
| 4. | Super-ovulating cow is either mated with an elite bull or is artificially inseminated |
Subtopic: Animal Husbandry (OLD NCERT) |
59%
From NCERT
NEET - 2023
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Given below are two statements:
| Assertion (A): | Germplasm collection is a very time consuming and tedious process. |
| Reason (R): | Germplasm collection is entire collection of antibiotic resistant genes. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
60%
From NCERT
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