Polymerase Chain Reaction is not used in :

1. Confirming presence of a pathogen during early infection

2. Identifying the mutated genes in suspected cancer patients

3. Isolating the gene of interest from host DNA to be cloned by recombinant procedures

4. Detection of the presence of HIV in suspected AIDS patient

Subtopic:  Large Scale Production: I | Large Scale Production |
 73%
From NCERT
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If gene isolate from marrow cells producing ADA is introduced into cells at early embryonic stage, it could be a permanant cure of ADA deficiency because the early embryonic cells :

1. Are more differentiated than the later stage cells

2. Are constantly dividing and do not get differentiated 

3. Are easy to manipulate than the later stage cells

4. Are virtually immortal 

Subtopic:  Gene Therapy |
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To test the safety of polio vaccine, the organisms used are transgenic :

1. Mice

2. Pigs

3. Monkey 

4. Cattle

Subtopic:  Transgenic Microbes & Animals |
 92%
From NCERT
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The application of biotechnology include
1. Therapeutics, processed food
2. Diagnostics, bioremediation
3. Genetically modified crops, energy production
4. All of these

Subtopic:  Intro to Agri Applications |
 98%
From NCERT
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Which of the following is not a critical research area of biotechnology

(1) Providing a best catalyst in the form of improved organism usually microbe or pure enzyme

(2) Creating optimal conditions through engineering for a catalyst to act

(3) Downstream processing technologies to purify the protein or organic compound

(4) Upstream processing of all the activated antibodies and plasminogens in plant body

Subtopic:  Intro to Agri Applications |
 81%
From NCERT
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Which of the following cannot be a mean of increasing food production?

(1) Agro-chemical based agriculture

(2) Organic agriculture and

(3) Genetically engineered crop-based agriculture

(4) Inorganic chemical engineering

Subtopic:  Intro to Agri Applications |
 89%
From NCERT
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The Green revolution increased the food supply to

(1) Triple fold

(2) Double fold

(3) Four fold

(4) One and half fold

Subtopic:  Intro to Agri Applications |
 78%
From NCERT
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The partial reason of increased yield during green revolution was

(1) Use of improved crop varieties

(2) Use of better management practices

(3) Use of agro-chemicals

(4) Use of fertilisers and pesticides

Subtopic:  Intro to Agri Applications |
 58%
From NCERT
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Farmers of developing world cannot rely completely on agro-chemicals because

(1) They are expensive

(2) Don't know how to use

(3) Are not trained to use them

(4) Of infertile soil

Subtopic:  Intro to Agri Applications |
 87%
From NCERT
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Which of the following is not a reason of less yield by farmers of developing countries?

(1) Expensive agro-chemicals

(2) Conventional breeding

(3) Existing varieties

(4) GMO

Subtopic:  Intro to Agri Applications |
 69%
From NCERT
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