Q. No.Lysine and tryptophan are:
1. proteins
2. non-essential amino acids
3. essential amino acids
4. aromatic amino acids.
To isolate protoplast, one needs:
1. pectinase
2. cellulase
3. both pectinase and cellulase
4. chitinase.
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The sobriquet ‘Father of Green Revolution’ is used for:
| 1. | Norman Borlaug | 2. | M. S. Swaminathan |
| 3. | Gordon Conway | 4. | Elvin Stakman |
Plant tissue culture is based on:
| 1. | cellular totipotency | 2. | indeterminate growth |
| 3. | phenotypic plasticity | 4. | secondary growth |
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Consider the given two statements:
| I: | Somatic hybridization and cybridization have great potential for plant improvement. |
| II: | Somatic hybridization through protoplast fusion provides the ability to combine parent genes in higher plants to overcome sexual incompatibility among plant species or genera. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
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There are several species of honeybees that can be reared. From the options given below identify the species reared in India:
| 1. | Apisindica | 2. | Apisdorsata |
| 3. | Trigonairidipennis | 4. | Apismellifera |
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Identify the variety of sugarcane from which [with hybrids] about 70% of the sugar produced worldwide comes:
| 1. | Saccharumbarberi | 2. | Saccharumsinense |
| 3. | Saccharumofficinarum | 4. | Saccharumspontaneum |
Which of the following is not correctly matched?
| 1. | Green revolution - A significant increase in agricultural productivity resulting from the introduction of high-yield varieties of grains, the use of pesticides, and improved management techniques. |
| 2. | White revolution – Also called as Operation Flood, it refers to a significant increase in milk production which made India the largest milk producer in the world. |
| 3. | Blue revolution - Management of water resources that can steer humanity to achieve drinking water and crop irrigation security. |
| 4. | Pisciculture - The farming of aquatic organisms such as fish, shellfish, and even plants. |
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PusaSem 2, a variety of flat bean, is resistant to all the following pests except:
| 1. | Aphids | 2. | Jassids |
| 3. | Fruit borer | 4. | Bollworm |
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The best method for producing plants free of viruses will be:
| 1. | Meristem culture | 2. | Embryo culture |
| 3. | Somatic embryogenesis | 4. | Somatic hybridization |
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