Genetically modified (GM) crops can be produced by

(1) recombinant DNA technology

(2) somatic hybridization

(3) cross breeding

(4) micropropagation

Which of the following genes do not occur naturally in living organisms?

(1) Bt genes

(2) RNAi genes

(3) Cry genes

(4) Endogeneous cytoplasmic defense genes

The protein products of the following Bt toxin genes cry I Ac and cry II Ab are responsible for controlling

(1) bollworm

(2) roundworm

(3) moth

(4) fruit fly

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

Bt toxin is harmful to insects like:

(1) Lepidoterans (tobacco budworm, armyworms)

(2) Coleopterans (beetles)

(3) Dipterans (flies and mosquito)

(4) All are correct

Which of the following statements is false?

1. Only I and II

2. Only III and IV

3. Only III

4. Only VI

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

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

"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

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