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Q. No.Methylophilus methylotrophus is a source of:
1.
Bioinsecticide
2.
Single cell protein
3.
Thrombolytic
4.
Clotting factors
Subtopic: Single Cell Protein (OLD NCERT) |
91%
From NCERT
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Which of the following is not an example of biofortification?
1. Iodized salt
2. Atlas 66
3. Golden rice
4. Maize hybrids with increased lysine and tryptophan
Subtopic: Plant Breeding for Quality (OLD NCERT) |
81%
From NCERT
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Identify the incorrectly matched pair:
| Column I | Column II | |
| 1. | Sonalika and Kalyan Sona | Improved varieties of wheat |
| 2. | Jaya and Ratna | Improved varieties of maize |
| 3 | Saccharum Barberi | Poor sugar content and yield |
| 4. | Saccharum officinarum | High sugar content and thick stems |
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
93%
From NCERT
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Subtopic: Animal Husbandry (OLD NCERT) |
73%
From NCERT
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The most important species of honeybee reared in India is:
| 1. | Apis indica | 2. | Apis mellifera |
| 3. | Apis dorsata | 4. | Apis florea |
Subtopic: Animal Husbandry (OLD NCERT) |
95%
From NCERT
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Mutation breeding in crops is based on:
| 1. | Spontaneous mutations | 2. | Induced mutations |
| 3. | Chromosomal aberrations | 4. | Aneuploidy |
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
83%
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Artificial insemination in cattle breeding can be advantageous as it:
| I. | leads to increased efficiency of bull usage. |
| II. | leads to an increased potential for genetic selection |
| III. | reduces disease transmission even if the semen is not checked |
| 1. | Only I | 2. | Only I and II |
| 3. | Only II | 4. | I, II and III |
Subtopic: Animal Husbandry (OLD NCERT) |
61%
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In mung bean, resistance to yellow mosaic virus and powdery mildew was introduced by:
| 1. | Agrobacterium mediation | 2. | Somatic hybridization |
| 3. | Micropropagation | 4. | Mutation breeding |
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
86%
From NCERT
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Consider the two statements:
| I: | Inbreeding is an important strategy in animal breeding experiments. |
| II: | It exposes recessive harmful genes that are eliminated by selection. |
| 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. | Only I is correct. |
| 4. | Both I and II are incorrect. |
Subtopic: Animal Husbandry (OLD NCERT) |
72%
From NCERT
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‘Atlas 66’ is an improved variety of:
1. rice rich in beta carotene
2. maize with increased tryptophan content
3. wheat having a high protein content
4. vitamin C enriched bitter gourd
Subtopic: Plant Breeding for Quality (OLD NCERT) |
79%
From NCERT
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