Q. No.Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called.
1. Biodegradation
2. Biopiracy
3. Bio-infringement
4. Bio-exploitation
1. Biodegradation
2. Biopiracy
3. Bio-infringement
4. Bio-exploitation
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A ‘new’ variety of rice was patented by a foreign company, through such varieties have been present in India for a long time. This is related to
1. Lerma Rojo
2. Sharbati Sonora
3. Co-667
4. Basmati
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Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?
1. Λ phage
2. Ti plasmid
3. Retrovirus
4. pBR 322
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The two polypeptides of human insulin are linked together by
1. Hydrogen bonds.
2. Phosphodiester bond.
3. Covalent bond.
4. Disulphide bridges.
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Which part of the tobacco plant is infected by Meloidogyne incognita?
| 1. | Flower | 2. | Leaf |
| 3. | Stem | 4. | Root |
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Which of the following Bt crops is being grown in India by the farmers?
1. Maize
2. Cotton
3. Brinjal
4. Soybean
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Bacillus thuringiensis forms protein crystals that contain insecticidal protein. This protein:
| 1. | does not kill the carrier bacterium, which is itself resistant to this toxin. |
| 2. | binds with epithelial cells of midgut of the insect pest ultimately killing it. |
| 3. | is coded by several genes including the gene cry. |
| 4. | is activated by the acid pH of the foregut of the insect pest. |
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Read the following four statements (a-d) for certain mistakes in two of them.
| a. | The first transgenic buffalo, Roise produced milk which wes human alpha-lactalbumin enriched. |
| b. | Restriction enzymes are used in isolation of DNA from other macro molecules. |
| c. | Downstream processing is one of the steps of recombinant DNA technology. |
| d. | Disarmed pathogen vectors are also used in transfer of recombinant DNA into the host. |
Which are the two statements having mistakes?
1. Statements (a) and (b)
2. Statements (b) and (c)
3. Statements (c) and (d)
4. Statements (a) and (c)
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Which one of the following is now being commercially produced by biotechnological procedures?
1. Morphine
2. Quinine
3. Insulin
4. Nicotine
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DNA or RNA segments tagged with a radioactive molecule is called
1. Vector.
2. Probe.
3. Clone.
4. Plasmid.
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