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Q. No.Parbhani Kranti, a variety of bhindi (lady finger) is resistant to:
1. bacterial blight
2. yellow mosaic virus
3. black rot
4. leaf curl
Subtopic: Breeding for Disease Resistance (OLD NCERT) |
81%
From NCERT
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Which one is used in tissue culture?
1. Explant
2. Somaclones
3. Hybridisation
4. None of these
1. Explant
2. Somaclones
3. Hybridisation
4. None of these
Subtopic: Plant Tissue Culture |
72%
From NCERT
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Which is correctly matched?
| 1. | Apiculture | - | Honey bee |
| 2. | Pisciculture | - | Silk moth |
| 3. | Sericulture | - | Fish |
| 4. | Aquaculture | - | Mosquito |
Subtopic: Animal Husbandry (OLD NCERT) |
78%
From NCERT
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Who gave the concept of ‘centres of origin’ with respect to origin of cultivated plants?
1. Nikolai I. Vavilov
2. Harlan and Hawkes
3. de Candolle
4. Aristotle
1. Nikolai I. Vavilov
2. Harlan and Hawkes
3. de Candolle
4. Aristotle
Subtopic: Impact: Green Revolution (OLD NCERT) |
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Correct sequence of steps in tissue culture technique
Choose the correct answer from the options given below
1. A, B, D, C, E
2. A, C, E, B, D
3. D, A, B, C, E
4. A, D, C, B, E
| A. | Selection of explant |
| B. | Sub-culture on rooting/shooting media |
| C. | Surface sterilization of the explant |
| D. | Acclimatization |
| E. | Culturing the explant on MS medium supplemented with PGRs |
1. A, B, D, C, E
2. A, C, E, B, D
3. D, A, B, C, E
4. A, D, C, B, E
Subtopic: Plant Tissue Culture |
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Given below are two statements
In light of the above statements, choose the correct answer from the options given below
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
| Statement I: | Plant breeding aims to improve the characteristic of plants so that they become more desirable agronomically and economically |
| Statement II: | It is a quick and easy method for manipulating plants genetically |
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
Subtopic: Plant Breeding & Its Steps (OLD NCERT) | Plant Breeding for Quality (OLD NCERT) |
72%
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Shoot bud formation in tissue culture is promoted by
1. High Auxin : Low Cytokinin
2. Low Auxin : High Cytokinin
3. Auxin : Sucrose
4. GA3 : Cytokinin
1. High Auxin : Low Cytokinin
2. Low Auxin : High Cytokinin
3. Auxin : Sucrose
4. GA3 : Cytokinin
Subtopic: Plant Tissue Culture |
71%
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A researcher identifies a naturally occurring variant possessing characteristics of interest. This plant is selectively bred. This is an example of
1. Traditional plant breeding
2. Transgenic technology
3. Mutant selection
4. Cross-breeding
1. Traditional plant breeding
2. Transgenic technology
3. Mutant selection
4. Cross-breeding
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
55%
From NCERT
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Mule is a product of
1. Mutation
2. Inbreeding
3. Cross-breeding
4. Interspecific hybridisation
1. Mutation
2. Inbreeding
3. Cross-breeding
4. Interspecific hybridisation
Subtopic: Animal Husbandry (OLD NCERT) |
61%
From NCERT
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Virus-free plants can be raised in vitro from
1. Any plant part
2. Meristems of infected plants
3. Stem of infected plants
4. Leaves of infected plants
1. Any plant part
2. Meristems of infected plants
3. Stem of infected plants
4. Leaves of infected plants
Subtopic: Insect & Pest Resistance (OLD NCERT) | Plant Tissue Culture |
89%
From NCERT
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