Q. No.Which of the following is the most important factor that would lead to increased milk yield
in cattle?
1. Selection of good breeds
2. Selection of good breeds
3. Stringent cleanliness and hygiene
4. Provision of ideal environmental conditions for cattle
in cattle?
1. Selection of good breeds
2. Selection of good breeds
3. Stringent cleanliness and hygiene
4. Provision of ideal environmental conditions for cattle
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Regarding out-breeding, the number of correct statements is:
| I. | Out-crossing 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. |
| II. | Out-crossing is the best breeding method for animals that are below average in productivity in milk production, growth rate in beef cattle, etc. |
| III. | A single outcross often helps to overcome inbreeding depression. |
| IV. | In cross-breeding superior males of one breed are mated with superior females of another breed. |
| V. | Cross-breeding allows the desirable qualities of two different breeds to be combined. |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
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Amongst the following, the number of freshwater fishes are:
Catla, Rohu, Common carp, Hilsa, Sardines, Mackerel, Pomfrets.
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
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Consider the following two statements:
| I: | An effective germplasm collection is the prerequisite of any successful plant breeding programme. |
| II: | Genetic variability is the root of any breeding programme. |
1. Both I and II are true and II explains I.
2. Both I and II are true but II does not explain I.
3. I is true but II is false.
4. I is false but II is true.
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Before releasing new cultivars in plant breeding programs, their testing includes all the following except:
| 1. | growing these in the research fields and recording their performance under ideal fertiliser application, irrigation, and other crop management practices. |
| 2. | testing the materials in farmers’ fields, for one growing season at selected locations in the country |
| 3. | comparison to the best available local crop cultivar – a check or reference cultivar |
| 4. | taking care of all patent and legal issues |
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Identify the option where the Crop [Column I], Variety [Column II], and Resistance to diseases [Column III] are not correctly matched:
|
CROP |
VARIETY |
RESISTANCE TO |
|
|
1. |
Wheat |
Himgiri |
Leaf and stripe rust |
|
2. |
Brassica |
Karan rai |
White rust |
|
3. |
Cowpea |
PusaShubhra |
Bacterial blight |
|
4. |
Chilli |
PusaSadabahar |
Mosaic virus |
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Identify incorrectly matched pair:
|
Crop |
Variety |
|
|
1. |
Brassica |
Pusa Swarnim |
|
2. |
Okra |
Pusa Gaurav |
|
3. |
Chilli |
Pusa Sadabahar |
|
4. |
Cauliflower |
Pusa Shubhra |
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The Indian Agricultural Research Institute, New Delhi, has released several vegetable crops that are rich in vitamins and minerals. Identify the incorrectly matched:
| 1. | vitamin A enriched: carrots, spinach, pumpkin; |
| 2. | vitamin C enriched: bitter gourd, bathua, mustard, tomato; |
| 3. | iron and calcium enriched: spinach and bathua; |
| 4. | Omega fatty acids enriched: beans - broad, lablab, French and garden peas. |
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The plantlets produced during plant tissue culture are called somaclones because:
| 1. | They can be produced in a very short span of time |
| 2. | They are the result of the somatic hybridization of two cells |
| 3. | The gametes develop parthenogenetically to produce genetically identical plantlets |
| 4. | They are genetically identical to the original plant from which they were grown |
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Consider the following statements regarding bird flu:
I. Viruses causing bird flu belong to Influenza virus A strain
II. The most pathogenic strain of this virus causing bird flu is H1N1
III. Culling and vaccinating livestock is a short term strategy to prevent flu pandemic.
IV. A human vaccine is available to control the spread of disease in human populations.
Of the above statements, the correct are:
1. I and III only
2. II and IV only
3. I, III and IV only
4. I, II, III and IV
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