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
A genetically engineered micro-organism which has found extensive use in bioremediation oil spills is a species of
1. Trichoderma
2. Mucuna
3. Pseudomonas
4. Bacillus
Incorporation of the gene for phytoene synthase and carotene desaturase to make a particular variety of yellowish rice has proven useful in the treatment of-
1. | Congenital heart disease |
2. | Night blindness |
3. | Xeroderma |
4. | Phrenoderma |
Cry toxin acts by
1. | Lysis of intestinal cells |
2. | Binding to midgut epithelium |
3. | Cell swelling |
4. | More than one correct |
Humulin production through microbial factories does not include the incorporation of the gene for
1. | A peptide | 2. | B peptide |
3. | C peptide | 4. | Both (1) and (2) |
What is true for molecular diagnosis?
1. | It is inexpensive |
2. | It involves drawing of serum for the test |
3. | It can be used in the initial stages of the onset of the disease |
4. | All of the above |
The Cry toxin does not kill the bacterium in which it is produced because
1. | Bacterium is resistant to the toxin |
2. | The bacterial cytoplasm is highly acidic |
3. | The bacterial cytoplasm is highly alkaline |
4. | The toxin is activated in alkaline medium |