- 1(current)
Q. No.Today, all our major food crops are derived from:
1. Wild varieties
2. Domesticated varieties
3. Genetically modified varieties
4. Plant tissue culture
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A collection of all the alleles of all the genes of a crop plant is called:
| 1. | germplasm collection | 2. | protoplasm collection |
| 3. | herbarium | 4. | somaclonal collection |
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Before releasing new cultivars in plant breeding programs, their testing includes all the following except:
| 1. | growing these in the research fields and recording their performance under ideal fertiliser application, irrigation, and other crop management practices. |
| 2. | testing the materials in farmers’ fields, for one growing season at selected locations in the country |
| 3. | comparison to the best available local crop cultivar – a check or reference cultivar |
| 4. | taking care of all patent and legal issues |
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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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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
33 percent of India’s Gross Domestic Product comes from:
| 1. | Industry | 2. | Agriculture |
| 3. | Export | 4. | Small-scale cottage industries |
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The main reason for the success of the green revolution was:
1. Improvement in the efficiency of chemical pesticides
2. Improvement in irrigation facilities
3. Equitable distribution of land among farmers
4. Development of HYV varieties
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Conventional breeding is often constrained by the availability of a limited number of disease-resistance genes that are present and identified in various crop varieties or wild relatives. This is most commonly overcome by:
| 1. | Inducing mutations | 2. | Somaclonal variations |
| 3. | Genetic engineering | 4. | Plant introduction |
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Resistance to the yellow mosaic virus in bhindi (Abelmoschus Esculentus) was possible by:
| 1. | Conventional hybridization | 2. | Mutations |
| 3. | Genetic engineering | 4. | Tissue culture |
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Match biofortified crops in Column I with enriched nutrients in Column II and select the correct answer from the codes given:
|
|
Column I |
|
Column II |
|
A. |
Maize hybrids |
a. |
lysine and tryptophan |
|
B. |
Atlas 66 |
b. |
high protein content |
|
C. |
Golden rice |
c. |
Vitamin A |
Code
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | a | b |
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- 1(current)
Q. No.
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