Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?

1. Transduction
2. Chromosomal aberrations
3. Genetic drift
4. Recombination

Subtopic:  Hardy Weinberg Law |
 74%
NEET - 2015
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A technique of micro-propagation is:

1. somatic hybridization
2. somatic embryogenesis
3. protoplast fusion
4. embryo rescue

Subtopic:  Tissue Culture |
NEET - 2015
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The movement of a gene from one linkage group to another is called:

1. inversion
2. duplication
3. translocation
4. crossing over

Subtopic:  Understanding Linkage |
 77%
NEET - 2015
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Multiple alleles are present:

1. on different chromosomes
2. at different loci on the same chromosome
3. at the same locus of the chromosome
4. on non-sister chromatids

Subtopic:  Dominance Deviation from Mendel: 2 |
NEET - 2015
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Which body of the Government of India regulates GM research and the safety of introducing GM organisms for public services?

1. Bio-safety committee
2. Indian Council of Agricultural Research
3. Genetic Engineering Approval Committee
4. Research Committee on Genetic Manipulation
Subtopic:  Ethical Issues |
 90%
From NCERT
NEET - 2015
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In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:

1. alkaline pH of the insect gut
2. acidic pH of the insect gut
3. action of gut microorganisms
4. presence of conversion factors in the insect gut
Subtopic:  Bt Crops |
 94%
From NCERT
NEET - 2015
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The crops engineered for glyphosate are resistant/tolerant to:

1. fungi
2. bacteria
3. insects
4. herbicides

Subtopic:  Insect & Pest Resistance (OLD NCERT) |
 56%
NEET - 2015
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DNA is not present in:

1. chloroplast
2. ribosomes
3. nucleus
4. mitochondria

Subtopic:  Ribosome and Inclusion Bodies |
 87%
From NCERT
NEET - 2015
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Which of the following enhances or induces the fusion of protoplasts?

1. Sodium chloride and potassium chloride
2. Polyethylene glycol and sodium nitrate
3. IAA and kinetin
4. IAA and gibberellins

Subtopic:  Plant Tissue Culture |
 61%
NEET - 2015
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The UN Conference of Parties on climate change in the year 2011 was held in:

1. Poland
2. South Africa
3. Peru
4. Qatar

Subtopic:  Ex Situ Conservation of Biodiversity |
 58%
NEET - 2015
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