Q. No.Methylophilus methylotrophus is a source of:
1.
Bioinsecticide
2.
Single cell protein
3.
Thrombolytic
4.
Clotting factors
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Which of the following is not an example of biofortification?
1. Iodized salt
2. Atlas 66
3. Golden rice
4. Maize hybrids with increased lysine and tryptophan
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Identify the incorrectly matched pair:
| Column I | Column II | |
| 1. | Sonalika and Kalyan Sona | Improved varieties of wheat |
| 2. | Jaya and Ratna | Improved varieties of maize |
| 3 | Saccharum Barberi | Poor sugar content and yield |
| 4. | Saccharum officinarum | High sugar content and thick stems |
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The most important species of honeybee reared in India is:
| 1. | Apis indica | 2. | Apis mellifera |
| 3. | Apis dorsata | 4. | Apis florea |
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Somaclonal variations are:
| 1. | seen in plants that have been produced by plant tissue culture. |
| 2. | due to environmental factors and have no evolutionary advantage. |
| 3. | induced by mutations and are inherited. |
| 4. | not useful in plant breeding programs. |
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Mutation breeding in crops is based on:
| 1. | Spontaneous mutations | 2. | Induced mutations |
| 3. | Chromosomal aberrations | 4. | Aneuploidy |
Artificial insemination in cattle breeding can be advantageous as it:
| I. | leads to increased efficiency of bull usage. |
| II. | leads to an increased potential for genetic selection |
| III. | reduces disease transmission even if the semen is not checked |
| 1. | Only I | 2. | Only I and II |
| 3. | Only II | 4. | I, II and III |
The most important advantage of micropropagation is:
| 1. | production of virus free plants |
| 2. | rapid production of a large number of genetically identical superior plants |
| 3. | creation of somaclonal variations for effective germplasm collection |
| 4. | production of transgenic plants |
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In mung bean, resistance to yellow mosaic virus and powdery mildew was introduced by:
| 1. | Agrobacterium mediation | 2. | Somatic hybridization |
| 3. | Micropropagation | 4. | Mutation breeding |
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