Golden rice is a genetically modified crop plant where the incorporated gene is meant for the biosynthesis of:

1. Vitamin-B 2. Vitamin-C
3. Omega 3 4. Vitamin-A
Subtopic:  Other GM Crops |
 93%
From NCERT
NEET - 2015
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A protoplast is a cell:

1. Without plasma membrane

2. Without nucleus

3. Undergoing division

4. Without cell wall

Subtopic:  Plant Tissue Culture |
 58%
From NCERT
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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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 first human hormone produced by recombinant DNA technology is:

1. Insulin

2. Estrogen

3. Thyroxin

4. Progesterone

Subtopic:  Med Applications & Humulin |
 97%
AIPMT - 2014
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In vitro clonal propagation in plants is characterized by:

1. PCR and RAPD

2. Northern blotting

3. Electrophoresis and HPLC

4. Microscopy

Subtopic:  Plant Tissue Culture |
 55%
AIPMT - 2014
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To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?

1. Apical meristem only
2. Palisade parenchyma
3. Both apical and axillary meristems
4. Epidermis only
Subtopic:  Plant Tissue Culture |
 76%
From NCERT
AIPMT - 2014
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Which of the following Bt crops is being grown in India by the farmers?

1. Cotton 2. Brinjal
3. Soybean 4. Maize
Subtopic:  Bt Crops |
 89%
From NCERT
AIPMT - 2013
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RNA interference involves:
1. Synthesis of cDNA from RNA using reverse transcriptase
2. Silencing of specific mRNA due to complementary RNA
3. Interference of RNA in the synthesis of DNA
4. Synthesis of mRNA from DNA
Subtopic:  Bt Crops | Interference RNA Tech |
 87%
From NCERT
NEET - 2013
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