Q. No.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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the given two statements:
| I: | Inbreeding results in more recessive traits manifesting themselves in the progeny. |
| II: | Recessive traits can only occur in an offspring if present in both parents' genomes. |
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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLysine and tryptophan are:
1. proteins
2. non-essential amino acids
3. essential amino acids
4. aromatic amino acids.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe selection in cross-pollinated crops ultimately aims at:
| 1. | selecting the most desirable pureline. |
| 2. | increasing the frequency of superior genotypes without reducing heterozygosity. |
| 3. | removing all true breeding varieties from the germplasm and hybridizing only heterozygous varieties. |
| 4. | converting purelines into apomicts to prevent segregation of desired traits. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch each item in Column I with one item in Column II and chose your answer from the codes given below:
| Column I | Column II | ||
| I. | Low-calorie sweetener | 1. | Brassica napus |
| II. | Hirudin | 2. | Pentadiplandra |
| III. | Single-cell protein | 3. | Bt |
| IV. | Bioinsecticide | 4. | Spirulina |
Codes:
| I | II | III | IV | |
| 1. | 1 | 2 | 3 | 4 |
| 2. | 2 | 1 | 4 | 3 |
| 3. | 2 | 1 | 3 | 4 |
| 4. | 1 | 2 | 4 | 3 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFungicides and antibiotics are chemicals that:
| 1. | enhance yield and disease resistance. |
| 2. | kill pathogenic fungi and bacteria, respectively. |
| 3. | kill all pathogenic microbes. |
| 4. | kill pathogenic bacteria and fungi, respectively. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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