Q. No.Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (BT) is resistant to:
1. Fungal diseases
2. Plant nematodes
3. Insect predators
4. Insect pests
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) |
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) |
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
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 |
Which of the following is not an application of PCR (Polymerase Chain Reaction)?
1. Purification of isolated protein
2. Detection of gene mutation
3. Molecular diagnosis
4. Gene amplification
When gene targeting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as:
1. Molecular diagnosis
2. Safety testing
3. Biopiracy
4. Gene therapy
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