Q. No.An explant is a :
1. dead plant
2. part of the plant
3. part of the plant used in tissue culture
4. part of the plant that expresses a specific gene.
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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Lysine and tryptophan are:
1. proteins
2. non-essential amino acids
3. essential amino acids
4. aromatic amino acids.
Micro-propagation is:
1. propagation of microbes in vitro
2. propagation of plants in vitro
3. propagation of cells in vitro
4. growing plants on a smaller scale
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Protoplast is:
| 1. | another name for protoplasm | 2. | an animal cell |
| 3. | a plant cell without a cell wall | 4. | a plant cell |
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To isolate protoplast, one needs:
1. pectinase
2. cellulase
3. both pectinase and cellulase
4. chitinase.
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Which one of the following products of apiculture is used in cosmetics and polishes?
| 1. | honey | 2. | propolis |
| 3. | wax | 4. | Royal jelly |
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More than 70 per cent of livestock population is found in:
| 1. | Denmark | 2. | India |
| 3. | China | 4. | India and China |
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The agriculture sector of India employs about:
1. 50 percent of the population
2. 70 percent of the population
3. 30 percent of the population
4. 60 percent of the population.
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