| Q. | Electrostatic precipitator is used to control-- |
| 1 | Water pollution |
| 2 | Solid waste |
| 3 | Noise pollution |
| 4 | Air pollution |
| | Ans: 4 |
|
| Q. | A new technology which provides the ability to create an artificial world and have people interact with it is called - |
| 1 | Virtual reality |
| 2 | Televirtuality |
| 3 | Alternate reality |
| 4 | 3-D reality |
| | Ans: 2 |
|
| Q. | X-rays were discovered by - |
| 1 | Roentgen |
| 2 | H.Davy |
| 3 | Lavoisier |
| 4 | Faraday |
| | Ans: 1 |
|
| Q. | Penicillin, an, antibiotic, is obtained from a |
| 1 | Fungus |
| 2 | Virus |
| 3 | Flowering plant |
| 4 | Bacterium |
| | Ans: 1 |
|
| Q. | Which among the following elements (metals) pollutes the air of a city having large number of automobiles? |
| 1 | Lead |
| 2 | Nickel |
| 3 | Chromium |
| 4 | Cadmium |
| | Ans: 4 |
|
| Q. | Where was India's first computer installed? |
| 1 | Indian Statistical Institute, Calcutta |
| 2 | Indian Institute of Technology, Delhi |
| 3 | Indian Institute of Science, Bangalore |
| 4 | Indian Iron & Steel Co.Ltd., Burnpur |
| | Ans: 1 |
|
| Q. | Hydrogen bomb is based on the principle of |
| 1 | uncontrolled fusion reaction |
| 2 | controlled fusion reaction |
| 3 | uncontrolled fission reaction |
| 4 | controlled fission reaction |
| | Ans: 1 |
|
| Q. | Which type of glass is used for making glass reinforced plastic? |
| 1 | Fibre glass |
| 2 | Quartz glass |
| 3 | Flint glass |
| 4 | Pyrex glass |
| | Ans: 1 |
|
| Q. | Supersonic Jet causes pollution by thinning of |
| 1 | CO2 layer |
| 2 | O2 layer |
| 3 | O3 layer |
| 4 | SO2 layer |
| | Ans: 3 |
|
| Q. | Who invented penicillin? |
| 1 | Louis Pasteur |
| 2 | Alexander Fleming |
| 3 | Dreser |
| 4 | Edward Jenner |
| | Ans: 2 |
|
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