Introduction of genetically modified food is not desirable because:
1. | Allergies and toxicity may be caused |
2. | Incorporation of antibiotic resistance in human beings |
3. | Disturbance in metabolism due to enzyme for antibiotic resistance |
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
Which is incorrect?
(1) Specific Bt toxin genes have been isolated from Bacillus thuringiensis.
(3) In mammals insulin is synthesized as a prohormone
(4) ADA deficiency can be cured by bone marrow transplantation
Statement-I: Non-homologous DNA will attach to a DNA probe.
Statement-II: At high temperature, two complementary DNA strands will anneal.
(1) Only statement - I is true
(2) Only statement - II is true
(3) Both statements - I and II are true
(4) Both statements - I and II are false
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
Match the following :-
Column-I |
Column-II |
I. Escherichia coli |
(A) Nif gene |
II. Bacillus thuringiensis |
(B) Interferon |
III. Rhizobium meliloti |
(C) Bt toxin |
IV. Pseudomonas putida |
(D) Bioremediation |
(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 |
The immobilization of enzymes is achieved by
a. Killing the cells without affecting enzymes
b. Attaching the enzymes covalently to a solid support
c. Entrapping the living cells in gel
d. All of these