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 |
The use of bioresources by multinational companies and other organizations without proper authorization from the countries and people concerned without compensatory payment is called:
1. Bioethics
2. Biopiracy
3. Bioterror
4. Bioweapon
Which of the following is / are product(s) of genetic engineering:
| A. | Humulin |
| B. | Hepatitis B vaccine prepared by yeast |
| C. | Golden rice |
| D. | Bt cotton |
1. A, B
2. B, C
3. A, B, C
4. A, B, C, D
Match the following :-
| Column-I | Column-II | ||
| I. | Biopiracy | (A) | Gene therapy |
| II. | Retroviral vector materials | (B) | Illegal removal of biological |
| III. | Biopatent entities | (C) | Right granted for biological |
| IV. | Kohler and Milstein | (D) | Monoclonal antibody |
1. I - B, II - A, III - D, IV - C
2. I - B, II - A, III - C, IV - D
3. I - B, II - C, III - A, IV - D
4. I - D, II - A, III - B, IV - C
Probes are molecules of
| 1. | DNA | 2. | RNA |
| 3. | Proteins | 4. | All of the above |
New biotechnology utilizes new organisms developed from present organisms using
| 1. | Mutations |
| 2. | Recombinant DNA Technology |
| 3. | Recombinations |
| 4. | All correct |
Cry toxin acts by
| 1. | Lysis of intestinal cells |
| 2. | Binding to midgut epithelium |
| 3. | Cell swelling |
| 4. | More than one correct |