Methylophilus methylotrophus is a source of:

1. Bioinsecticide 2. Single cell protein
3. Thrombolytic 4. Clotting factors

Subtopic:  Single Cell Protein (OLD NCERT) |
 91%
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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%
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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%
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Which of the following is not an edible marine fish?

1. Mackerel 2. Catla
3. Hilsa 4. Sardines

Subtopic:  Animal Husbandry (OLD NCERT) |
 73%
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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%
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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) |
 85%
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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%
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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%
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