MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 87 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Taj may be destroyed by |
| A. | Flood in Yamuna |
| B. | Temperature mediated spoilage of marble |
| C. | Air pollutant from Mathura refinery |
| D. | All of above |
| Answer» D. All of above | |
| 52. |
Minimata disease is due to pollution of |
| A. | Organic waste into drinking water |
| B. | Oil spill in water |
| C. | Industrial waste mercury in water |
| D. | Arsenic into the atmosphere |
| Answer» D. Arsenic into the atmosphere | |
| 53. |
Which of the following from of energy do not have the problem of pollution ? |
| A. | Coal |
| B. | Atom |
| C. | Petrol |
| D. | Sun |
| Answer» E. | |
| 54. |
Which of the following air pollutant affect the nervous system of man |
| A. | Lead |
| B. | Cadmium |
| C. | Mercury |
| D. | Sillica |
| Answer» B. Cadmium | |
| 55. |
Which of the following is non-biodegradable pollutat |
| A. | Plastic |
| B. | DDT |
| C. | Murcury |
| D. | All of them |
| Answer» E. | |
| 56. |
Atmosphere of big metropolition cities is polluted most by |
| A. | Automobile exhausts |
| B. | Pesticides residue |
| C. | Household waste |
| D. | Radio active fall out |
| Answer» B. Pesticides residue | |
| 57. |
Chief air pollutant which is likely to deplete ozone layer is |
| A. | Sulphur dioxide |
| B. | Carbon dioxide |
| C. | Carbon monoxide |
| D. | Nitrogen oxides and fluorocarbons |
| Answer» E. | |
| 58. |
Increased asthmatic attacks in certain seasosns are related to |
| A. | Inhalation of seasonal pollen |
| B. | Eating of seasonal vegetables |
| C. | Low temperature |
| D. | Wet and dry environment |
| Answer» B. Eating of seasonal vegetables | |
| 59. |
Ozone layer present in our atmosphere absorb |
| A. | Cosmic rays |
| B. | Infra-red rays |
| C. | Ultravioilet rays |
| D. | All rays |
| Answer» D. All rays | |
| 60. |
Water pollution of a river is measured by |
| A. | Amount of chlorine dissolve in water |
| B. | Amount of ozone dissolve in water |
| C. | Amount of nitrogen dissolve in water |
| D. | Amount of oxygen dissolve in water |
| Answer» E. | |
| 61. |
Pollution is |
| A. | Removal of top soil |
| B. | Release of toxic undesirable material in environment |
| C. | Conservation of energy |
| D. | All of above |
| Answer» C. Conservation of energy | |
| 62. |
Gas released during Bhopal tragedy was |
| A. | Methyl isocyanate |
| B. | Potassium isothiocyanate |
| C. | Sodium isothioxyanate |
| D. | Ethyl isothiocyanate |
| Answer» B. Potassium isothiocyanate | |
| 63. |
Ozone day is |
| A. | January, 30 |
| B. | September, 16 |
| C. | April, 21 |
| D. | December, 25 |
| Answer» C. April, 21 | |
| 64. |
Ozone hold is maximum over |
| A. | Europe |
| B. | Antarctica |
| C. | India |
| D. | Africa |
| Answer» C. India | |
| 65. |
Domestic waste constitutes |
| A. | Non-biodegradable pollution |
| B. | Biodegradable pollution |
| C. | Effluents |
| D. | Air pollution |
| Answer» C. Effluents | |
| 66. |
Fish die in water bodies polluted by sewage due to |
| A. | Pathogenes |
| B. | Clogging of gills by silts |
| C. | Reduction in oxygen |
| D. | Foul smell |
| Answer» D. Foul smell | |
| 67. |
Which of the following is not considered as air pollutan ? |
| A. | Hydrocarbon |
| B. | Carbon monoxide |
| C. | Carbon dioxide |
| D. | Sulphur dioxide |
| Answer» D. Sulphur dioxide | |
| 68. |
Pollutant likely to deplete ozone layer is |
| A. | Carbon monoxide |
| B. | Nitrogen Oxides |
| C. | Chloroglurocarbons |
| D. | Both b and C |
| Answer» E. | |
| 69. |
Effect of pollution is most marked on |
| A. | Natural balance of nature |
| B. | Natural geochemical cycles |
| C. | Natural flora of place |
| D. | All the above |
| Answer» B. Natural geochemical cycles | |
| 70. |
Major pollution causing agent is |
| A. | Hydrocarbon |
| B. | Animals |
| C. | Man |
| D. | None of these |
| Answer» D. None of these | |
| 71. |
Ultraviolet rays coming from sun causes |
| A. | Lung cancer |
| B. | Mouth cancer |
| C. | Skin cancer |
| D. | Cancer of liver |
| Answer» D. Cancer of liver | |
| 72. |
Air pollution is maximum by |
| A. | Sewage and pesticides |
| B. | Sewage and effluents |
| C. | Detergents and pesticides |
| D. | Automobile exhausts and chemical from industries |
| Answer» E. | |
| 73. |
Which of the following produce maximum sound pollution |
| A. | Top music |
| B. | Heavy truck |
| C. | Jet flight |
| D. | None of these |
| Answer» D. None of these | |
| 74. |
National Environmental Engineering research institute is situated in |
| A. | Ranchi |
| B. | Cuttak |
| C. | Jamesdpur |
| D. | Nagpur |
| Answer» E. | |
| 75. |
Air pollution is indicated by |
| A. | Fern and Cycus |
| B. | Algae and Liverwort |
| C. | Lichens and Moss |
| D. | Neem |
| Answer» D. Neem | |
| 76. |
Chief source of water and soil pollution is |
| A. | Mining |
| B. | Thermal power plant |
| C. | Agro industry |
| D. | All of these |
| Answer» E. | |
| 77. |
Taj Mahal is threatened by pollution from |
| A. | Chlorine |
| B. | Sulphurdioxide |
| C. | Hydrogen |
| D. | Oxygen |
| Answer» C. Hydrogen | |
| 78. |
Bhopal gas tragedy was due to |
| A. | Air pollution |
| B. | Soil pollution |
| C. | Water pollution |
| D. | None of these |
| Answer» B. Soil pollution | |
| 79. |
Among pollutants which has the most lasting effect |
| A. | Carbon monoxide |
| B. | Pesticides |
| C. | Sulphur dioxide |
| D. | Smoke from chimney |
| Answer» C. Sulphur dioxide | |
| 80. |
Carbon monoxide, emitted by automobiles, prevent transport of oxygen in body due to |
| A. | Combining with oxygen to form cabondioxide |
| B. | Destruction of haemoglobin |
| C. | Preventing reaction between oxygen and haemoglobin |
| D. | Forming stable compound with haemoglobin |
| Answer» E. | |
| 81. |
Ultimate environmental hazard to mankind is due to |
| A. | Nuclear pollution |
| B. | Water pollution |
| C. | Air pollution |
| D. | Noise pollution |
| Answer» B. Water pollution | |
| 82. |
Sound become hazardous noise pollution at level |
| A. | above 30 dB |
| B. | above dB |
| C. | above 100 dB |
| D. | above 120 dB |
| Answer» C. above 100 dB | |
| 83. |
Which of the following is most effective green house gases |
| A. | Freone |
| B. | Methane |
| C. | Carbondioxide |
| D. | Chloroflurocarbon |
| Answer» D. Chloroflurocarbon | |
| 84. |
Green house effect is |
| A. | Collection of green house gases which rise the temperature of atmosphere |
| B. | Production of flower and vegetable in increased temperature |
| C. | Production of crop in glass house |
| D. | None of the above |
| Answer» B. Production of flower and vegetable in increased temperature | |
| 85. |
Major aerosol pollutant in jet plane emission is |
| A. | Sulphurdioxide |
| B. | Carbonmonoxide |
| C. | Methane |
| D. | Fluorocarbon |
| Answer» E. | |
| 86. |
Chief air pollutant in big metropolitan city like Kolkata and Mumbai |
| A. | CO and SO |
| B. | <sub>2</sub> |
| C. | Hydrocarbon |
| D. | Spores of algae |
| E. | Ozone |
| Answer» B. <sub>2</sub> | |
| 87. |
Pollution indicator plants |
| A. | Are resistant to pollution |
| B. | Can purify the atmosphere |
| C. | Are very sensitive to pollutants |
| D. | Can indicate onset of rain |
| Answer» D. Can indicate onset of rain | |