Q. No.Identify the correct statement:
1.
Resistance to the yellow mosaic virus in mung bean and bhindi was introduced by mutations
2.
Resistance to the yellow mosaic virus in mung bean and bhindi was transferred from wild varieties
3.
Resistance to the yellow mosaic virus in mung bean was introduced by mutations and in bhindi was transferred from wild varieties
4.
Resistance to the yellow mosaic virus in bhindi was introduced by mutations and in mung bean was transferred from wild varieties
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Plantlets regenerated during micropropagation are subjected to hardening where they are grown in the conditions of:
1. sufficient light and high humidity
2. sufficient light and low humidity
3. decreased light and high humidity
4. decreased light and low humidity
The original idea of total potentiality in plants was pioneered by:
| 1. | Gottlieb Haberblandt | 2. | Skoog and Miller |
| 3. | Panchanan Maheshwari | 4. | Gurdev Singh |
Consider the given two statements:
| I: | Success of a breeding program usually depends on the creation of the desired genetic variation. |
| II: | Any character of a crop can be improved only when genetic variation is present for the character. |
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 and II is incorrect.
4. Both I and II are incorrect.
The mutual relationship between animals and humans who have an influence on their care and reproduction is called:
| 1. | Animal husbandry | 2. | Domestication |
| 3. | Taming | 4. | Dairy farming |
Which of the following steps in a plant breeding program actually brings about the improvement?
1. Germplasm collection
2. Hybridization
3. Selection of superior recombinant
4. Testing of the cultivars
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Consider the following statements:
| I: | Self-pollination or selfing is the extreme form of inbreeding. |
| II: | Loss of vigor associated with inbreeding is inbreeding depression. |
| III: | Self-pollinated crops do not usually show the ill effects of inbreeding. |
The correct statements are:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Somatic embryo regeneration in micropropagation is induced by high concentrations of:
| 1. | Cytokinins | 2. | Gibberellins |
| 3. | Auxins | 4. | Zinc |
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