Three critical research areas of biotechnology are:

I. Providing the best catalyst in the form of improved organism usually a microbe or pure enzyme

II. Multiple Ovulation Transfer Technology (MOET)

III. Creating optimal conditions through engineering for a catalyst to act.

IV. Downstream processing technologies

(1) I, II, III, IV      

(2) I, III, IV          

(3) I, II                 

(4) II and IV

Subtopic:  Intro to Agri Applications |
 79%
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Bt toxin is: 

(1) Intracellular lipids                      

(2) Intracellular crystalline protein

(3) Extracellular crystalline protein    

(4) Intracellular polysaccharide

Subtopic:  Bt Crops |
 84%
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Bt toxin is harmful to insects like:

(1) Lepidoterans (tobacco budworm, armyworms)

(2) Coleopterans (beetles)

(3) Dipterans (flies and mosquito)

(4) All are correct

Subtopic:  Bt Crops |
 95%
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Antisense RNA is:

(1) RNA that makes opposite sense

(2) RNA that investigators find confusing

(3) The non-coding strand of DNA molecule

(4) RNA that is complementary to certain mRNA

Subtopic:  Interference RNA Tech |
 72%
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Which of the following statements is false?

I. Insulin was originally extracted from pancreas of slaughtered pigs and cattle
II. Animal insulin is difficult to obtain
III. Animal insulin is identical to human insulin
IV. Non-human insulin caused some patients to develop allergy
V. Recombinant DNA allowed scientists to insert a human insulin gene into a bacterial expression vector
VI. Recombinant insulin is actually obtained from E. coli bacterial cell

1. Only I and II

2. Only III and IV

3. Only III

4. Only VI

Subtopic:  Med Applications & Humulin |
 63%
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Which step proved to be the main challenging obstacle in the production of human insulin by genetic engineering? 

(1) Splitting A and B polypeptide chains

(2) Addition of C-peptide to pro-insulin

(3) Getting insulin assembled into mature form

(4) Removal of C-peptide from active insulin

Subtopic:  Med Applications & Humulin |
 64%
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Which technique would you expect to be completely curative in SCID?

(1) Gene therapy in adult stage

(2) Gene therapy in embryonic stage

(3) Bone marrow transplantation

(4) Enzyme replacement therapy

Subtopic:  Gene Therapy |
 89%
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For effective treatment of a disease: 

(1) Early diagnosis is needed but understanding of its pathophysiology is not needed

(2) Early diagnosis is not needed but understanding of its pathophysiology is needed

(3) Early diagnosis and understanding of its pathophysiology are needed

(4) Neither early diagnosis nor understanding of its pathophysiology is needed

Subtopic:  Molecular Diagnosis |
 92%
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"Rosie" a transgenic cow known to produce a type of milk which has all the following characteristics except: 

(1) Protein content of 2.4 gm/litre

(2) Has human α-lactalbumin

(3) More balance diet than normal milk for babies

(4) None of these

Subtopic:  Transgenic Microbes & Animals |
 69%
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Which of the following is correct?

(1) The procedure for chemical safety testing / toxicity is the same as that used for testing toxicity of drugs

(2) Transgenic animals are more sensitive to the toxic substances than non-transgenic animals

(3)  Golden rice, a genetically engineered rice has high vitamin A (β-carotene) content

(4) All are correct

Subtopic:  Intro to Agri Applications | Other GM Crops | Transgenic Microbes & Animals |
 87%
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