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Q. No.Somaclonal variation is the variation seen in plants that have been produced by:
1. Classical hybridization
2. Mutation breeding
3. Plant tissue culture
4. Genetic engineering
Subtopic: Plant Tissue Culture |
82%
Level 1: 80%+
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Arrange the steps of somatic hybridization in correct chronological order:
1. I → II → III → IV
2. I → II → IV → III
3. II → I → III → IV
4. II → I → IV → III
| I. | Protoplast fusion using electric shock (electrofusion) or chemical treatment. |
| II. | The removal of the cell wall of one cell of each type of plant using cellulase enzyme to produce a somatic cell called a protoplast |
| III. | The formation of the cell wall induced using hormones |
| IV. | The cells are then grown into calluses which then are further grown to plantlets and finally to a full plant, known as a somatic hybrid. |
1. I → II → III → IV
2. I → II → IV → III
3. II → I → III → IV
4. II → I → IV → III
Subtopic: Plant Tissue Culture |
72%
Level 2: 60%+
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Mutation breeding has been used to create:
I. Mung bean variety resistant to yellow mosaic virus
II. Abelmoschus variety resistant to yellow mosaic virus
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
I. Mung bean variety resistant to yellow mosaic virus
II. Abelmoschus variety resistant to yellow mosaic virus
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Level 3: 35%-60%
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Quality protein maize (QPM) is a family of maize varieties. QPM grain contains nearly twice as much amino acids that are limiting amino acids in grains. These amino acids are:
1. Lysine and tryptophan
2. Methionine and cysteine
3. Glutamic acid and aspartic acid
4. Threonine and tyrosine
1. Lysine and tryptophan
2. Methionine and cysteine
3. Glutamic acid and aspartic acid
4. Threonine and tyrosine
82%
Level 1: 80%+
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Identify the scientist, popularly known as Father of Wheat Revolution, and who was instrumental in developing ‘PV 18’ in 1966 and the most popular amber grained wheat variety ‘Kalyansona’ in 1967?
1. Gurdev Khush
2. M. S. Swaminathan
3. Dilbagh Singh Athwal
4. Chidambaram Subramaniam
1. Gurdev Khush
2. M. S. Swaminathan
3. Dilbagh Singh Athwal
4. Chidambaram Subramaniam
Level 4: Below 35%
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During organogenesis in plant tissue culture:
| 1. | an excess of auxin will often result in a proliferation of roots, while an excess of cytokinin yield shoots |
| 2. | an excess of auxin will often result in a proliferation of roots, while an excess of gibberellins yield shoots |
| 3. | an excess of cytokinin will often result in a proliferation of roots, while an excess of gibberellins yield shoots |
| 4. | an excess of gibberellins will often result in a proliferation of roots, while an excess of ethylene yield shoots |
Subtopic: Plant Tissue Culture |
70%
Level 2: 60%+
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Plant tissue culture may offer certain advantages over traditional methods of propagation, including all the following except:
| 1. | The production of plants that exhibit large variations from the parent plants. |
| 2. | Quickly production of mature plants. |
| 3. | The regeneration of whole plants from plant cells that have been genetically modified. |
| 4. | Storage of genetic plant material to safeguard native plant species. |
Subtopic: Plant Tissue Culture |
59%
Level 3: 35%-60%
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The controlled cultivation of aquatic organisms such as fish, crustaceans, mollusks, algae and other organisms of value such as aquatic plants is known as:
1. Fisheries
2. Aquaculture
3. Pisciculture
4. Commercial fishing
1. Fisheries
2. Aquaculture
3. Pisciculture
4. Commercial fishing
68%
Level 2: 60%+
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The predominant honeybee found and most commonly domesticated in India is:
1. Apis cerana indica
2. Apis mellifera
3. Apis dorsata
4. Apis florea
1. Apis cerana indica
2. Apis mellifera
3. Apis dorsata
4. Apis florea
85%
Level 1: 80%+
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What is incorrect regarding Multiple Ovulation Embryo Transfer technology used in cattle breeding?
| 1. | Hormone with FSH like activity is used to induce super ovulation |
| 2. | The cow is mated with an elite bull or artificially inseminated |
| 3. | Fertilized eggs are recovered surgically at 4-8 cell stage |
| 4. | The proembryos are transferred to surrogate mothers |
84%
Level 1: 80%+
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