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
a. Mutations
b. Recombinant DNA Technology
c. Recombinations
d. 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
a. Trichoderma
b. Mucuna
c. Pseudomonas
d. 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