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Q. No.Select the incorrect statement from the following.
1. Poultry includes chicken, ducks and turkeys but not geese.
2. Poultry is the class of domesticated fowl used for food or for their eggs.
3. Selection of disease free and suitable breeds are important components of poultry farm management.
4. Bird flu virus drastically affected egg and chicken consumption.
90%
Level 1: 80%+
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Tissue culture technique can produce an infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising:
| 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 |
Subtopic: Plant Tissue Culture |
71%
Level 2: 60%+
NEET - 2013
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Which of the following statements is not true about somatic embryogenesis?
| 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 |
Subtopic: Plant Tissue Culture |
Level 3: 35%-60%
NEET - 2013
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Assertion (A): Inbreeding increases homozygosity.
Reason (R): Inbreeding exposes harmful recessive genes that are eliminated by selection
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.
Reason (R): Inbreeding exposes harmful recessive genes that are eliminated by selection
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.
54%
Level 3: 35%-60%
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Assertion (A): A cow is administered hormone with FSH –like activity under the programme called MOET for herd improvement.
Reason (R): FSH suppresses follicular maturation and super ovulation
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.
Reason (R): FSH suppresses follicular maturation and super ovulation
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.
69%
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%
Level 2: 60%+
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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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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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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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Read the statements and select the correct option.
Statement-A: Inbreeding exposes harmful recessive genes that are eliminated by selection.
Statement-B: Hisardale is a new breed of sheep developed in Punjab by interspecific hybridisation.
1. Only statement A is correct
2. Only statement B is correct
3. Both statements A and B are correct
4. Both statements A and B are incorrect
Statement-A: Inbreeding exposes harmful recessive genes that are eliminated by selection.
Statement-B: Hisardale is a new breed of sheep developed in Punjab by interspecific hybridisation.
1. Only statement A is correct
2. Only statement B is correct
3. Both statements A and B are correct
4. Both statements A and B are incorrect
62%
Level 2: 60%+
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