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Q. No.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
Subtopic: Plant Tissue Culture |
93%
Level 1: 80%+
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The best explant for regenerating virus free plantlets would be:
| 1. | Embryo | 2. | Meristem |
| 3. | Anther | 4. | Endosperm |
Subtopic: Plant Tissue Culture |
94%
Level 1: 80%+
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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. |
Level 3: 35%-60%
NEET - 2023
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NEET 2026 - Target Batch - Vital
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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 |
59%
Level 3: 35%-60%
NEET - 2023
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NEET 2026 - Target Batch - Vital
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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
59%
Level 3: 35%-60%
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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 |
87%
Level 1: 80%+
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Inbreeding is important in animal husbandry because it:
1. increases vigour
2. improves the breed
3. increases heterozygosity
4. increases homozygosity
1. increases vigour
2. improves the breed
3. increases heterozygosity
4. increases homozygosity
84%
Level 1: 80%+
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Marine fishes that are eaten include all the following except:
1. Common carp
2. Sardines
3. Mackerel
4. Pomfrets
1. Common carp
2. Sardines
3. Mackerel
4. Pomfrets
81%
Level 1: 80%+
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In mung bean, mutations were used to induce resistance to:
I: yellow mosaic virus
II: powdery mildew
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
I: yellow mosaic virus
II: powdery mildew
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
75%
Level 2: 60%+
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All the following diseases in plants are caused by a fungal pathogen except:
1. Rust of wheat
2. Smut of bajra
3. Black rot of crucifers
4. Red rot of sugarcane
1. Rust of wheat
2. Smut of bajra
3. Black rot of crucifers
4. Red rot of sugarcane
70%
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