Match the following columns and select the correct option.
Column-I | Column-II | ||
a. | Bt cotton | (i) | Gene therapy |
b. | Adenosine deaminase deficiency | (ii) | Cellular defense |
c. | RNAi | (iii) | Detection of HIV infection |
d. | PCR | (iv) | Bacillus thuringiensis |
a | b | c | d | |
1. | (iii) | (ii) | (i) | (iv) |
2. | (ii) | (iii) | (iv) | (i) |
3. | (i) | (ii) | (iii) | (iv) |
4. | (iv) | (i) | (ii) | (iii) |
Match the organism with its use in biotechnology.
(a) | Bacillus thuringiensis | (i) | Cloning vector |
(b) | Thermus aquaticus | (ii) | Construction of first rDNA molecule |
(c) | Agrobacterium tumefaciens | (iii) | DNA polymerase |
(d) | Salmonella typhimurium | (iv) | Cry proteins |
Select the correct option from the following:
(a) | (b) | (c) | (d) | |
1. | (iv) | (iii) | (i) | (ii) |
2. | (iii) | (ii) | (iv) | (i) |
3. | (iii) | (iv) | (i) | (ii) |
4. | (ii) | (iv) | (iii) | (i) |
Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (BT) is resistant to:
Which of the following statements is not correct?
1. | The proinsulin has an extra peptide called C-peptide |
2. | Functional insulin has A and B chains linked together by hydrogen bonds. |
3. | Genetically engineered insulin is produced in E. Coli. |
4. | In man, insulin is synthesized as proinsulin. |
RNA interference is used for which of the following purposes in the field of biotechnology?
1. | to develop a plant tolerant to abiotic stresses |
2. | to develop a pest-resistant plant against infestation by nematode |
3. | to enhance the mineral usage by the plant |
4. | to reduce post-harvest losses |
The laws and rules to prevent unauthorized exploitation of bio-resources are termed as:
1. Biopatenting
2. Bioethics
3. Bioengineering
4. Biopiracy
In RNAi, the genes are silenced using:
1. | dsRNA | 2. | ssDNA |
3. | ssRNA | 4. | dsDNA |
The exploitation of bioresources of a nation by multinational companies without authorization from the concerned country is referred to as:
1. | Bioweapon | 2. | Biopiracy |
3. | Bioethics | 4. | Biowar |
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells):
1. A particular hormone
2. An antifeedant
3. A toxic protein
4. Both sense and anti-sense RNA
The technique of obtaining a large number of plantlets by tissue culture method is called:
1. Organ culture
2. Micropropagation
3. Micropropagation
4. Plantlet culture