Q. No.The chances of contracting bird flu from a properly cooked (above 100°C) chicken and egg are:
| 1. | very high | 2. | high |
| 3. | moderate | 4. | negligible |
A group of animals that are related by descent and share many similarities is referred to as:
| 1. | breed | 2. | race |
| 3. | variety | 4. | species |
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Kalyan Sona and Sonalika are:
1. semi-dwarf varieties of wheat developed in India
2. semi-dwarf varieties of wheat introduced in India
3. semi-dwarf varieties of rice developed in India
4. semi-dwarf varieties of rice introduced in India
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Which one of the following combinations would a sugarcane farmer look for in the sugarcane crop?
| 1. | Thick stem, long internodes, high sugar content, and disease resistant |
| 2. | Thick stem, high sugar content, and profuse flowering |
| 3. | Thick stem, short internodes, high sugar content, disease resistant |
| 4. | Thick stem, low sugar content, disease resistant |
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In north India, a sugarcane farmer would be best advised to grow:
| 1. | Saccharum barberi |
| 2. | Saccharum officinarum |
| 3. | A hybrid of Saccharum barberi and Saccharum officinarum |
| 4. | A hybrid of Saccharum officinarum and a grass Aegilops squarrosa |
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| Assertion (A): | Breeding and development of cultivars resistant to disease enhance food production in areas where the disease is prevalent. |
| Reason (R): | Resistance to a disease is determined by the genetic constitution of the host plant. |
| 1. | Both (A) and (R) are false. |
| 2. | Both (A) and (R) are true but (R) does not explain (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are true and (R) explains (A). |
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Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed:
1. recombinant DNA technology
2. transgenic mechanism
3. mutation breeding
4. gene therapy.
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The biggest constraint of plant breeding is:
1. availability of desirable gene in the crop and its wild relatives
2. infrastructure
3. trained manpower
4. transfer of genes from unrelated sources.
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Breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats is called:
| 1. | Bioremediation | 2. | Biofortification |
| 3. | Food adulteration | 4. | Biomagnification |
‘Atlas 66’ is an improved variety of:
1. rice rich in beta carotene
2. maize with increased tryptophan content
3. wheat having a high protein content
4. vitamin C enriched bitter gourd
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