A single strand of nucleic acid tagged with a radioactive molecule is called

1. vector

2. selectable marker

3. plasmid

4. probe

 

Subtopic:  Molecular Diagnosis |
 85%
From NCERT
NEET - 2012
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The process of RNA interference has been used in the development of plants resistant to 

(1) fungi

(2) viruses

(3) insects

(4) nematodes

Subtopic:  Interference RNA Tech |
 85%
From NCERT
NEET - 2011
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Maximum number of existing transgenic animals is of 

(1) mice

(2) cow 

(3) pig

(4) fish

Subtopic:  Transgenic Microbes & Animals |
 96%
From NCERT
NEET - 2011
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The genetically-modified (GM) brinjal in India has been developed for

1. insect-resistant

2. enhancing self life

3. enhancing mineral content

4. drought-resistance

Subtopic:  Other GM Crops |
 68%
NEET - 2010
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DNA or RNA segment tagged with a radioactive molecule is called

1. vector

2. probe

3. clone

4. plasmid

Subtopic:  Molecular Diagnosis |
 94%
From NCERT
NEET - 2010
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Genetic engineering has been successfully used for producing

(1) transgenic mice for testing safety of polio vaccine before use in humans

(2) transgenic models for studying new treatments for certain cardiac diseases

(3) Transgenic cow-Rosie which produces high fat milk for making ghee

(4) animals like bulls for farm work as they have super power

Subtopic:  Transgenic Microbes & Animals |
 84%
From NCERT
NEET - 2010
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Some of the characteristics of Bt cotton are

(1) long fibre and resistance to aphids

(2) medium yields, long fibres and resistance to beetle pests

(3) high yield and production of toxic protein crystals which kill dipteran pests

(4) high yield and resistance to bollworms

Subtopic:  Bt Crops |
 54%
From NCERT
NEET - 2010
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An improved variety of transgenic basmati rice

(1) does not require chemical fertilizers and growth hormones

(2) gives high yield and is rich in vitamin-A

(3) is completely resistant to all insect pests and diseases of paddy

(4) gives high yield but has no characteristic aroma

Subtopic:  Other GM Crops |
 81%
NEET - 2010
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The bacterium Bacillus thuringiensis is widely used in contemporary biology as a/an

(1) indicator of water pollution

(2) insecticide

(3) agent for production of dairy products

(4) source of industrial enzyme

Subtopic:  Bt Crops |
 92%
From NCERT
NEET - 2009
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The genetic defect-Adenosine Deaminase (ADA) deficiency may be cured permanently by

(1) periodic infusion of genetically engineered lymphocytes having functional ADA cDNA 

(2) administering adenosine deaminase activators

(3) introducing bone marrow genes producing ADA into cells at early embryonic stages

(4) enzyme replacement therapy

Subtopic:  Gene Therapy |
 89%
From NCERT
NEET - 2009
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