MCQOPTIONS
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MCQOPTIONS
This section includes 1049 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
%_Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32oF. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be:_% |
| A. | About the same as predicted but will occur earlier in the night |
| B. | Higher than predicted due to the release of latent heat |
| C. | Much lower than predicted due to radiational cooling |
| D. | Higher than predicted due to mixing |
| Answer» E. | |
| 352. |
%_Water heats up ______ and cools off _____ than land._% |
| A. | More quickly, more quickly |
| B. | More quickly, more slowly |
| C. | More slowly, more quickly |
| D. | More slowly, more slowly |
| Answer» E. | |
| 353. |
%_What is troposphere?_% |
| A. | Portion of air |
| B. | Portion of water |
| C. | Lowest layer of atmosphere where we survive |
| D. | Portion of sky |
| Answer» D. Portion of sky | |
| 354. |
%_Acid rain contains_% |
| A. | Sulphuric acid |
| B. | Hydrochloric acid |
| C. | Oxalic acid |
| D. | Acetic acid |
| Answer» B. Hydrochloric acid | |
| 355. |
%_Which of the following type of pollution can cause the outbreak of jaundice_% |
| A. | Air |
| B. | Thermal |
| C. | Water |
| D. | Land |
| Answer» D. Land | |
| 356. |
%_Coral reefs in India can be seen in_% |
| A. | Himalayan region |
| B. | Andaman and Nicobar Islands |
| C. | Uttarpradesh |
| D. | Maharashtra |
| Answer» C. Uttarpradesh | |
| 357. |
%_What is the official name of IUCN?_% |
| A. | World Wide Fund for Nature |
| B. | World Conservation Union |
| C. | United Nations Environment Programme |
| D. | United Nations Educational, Scientific and Cultural Organization |
| Answer» C. United Nations Environment Programme | |
| 358. |
%_Thermal belts are:_% |
| A. | Pockets of warm air resting on a valley during the afternoon |
| B. | Pockets of cold air resting on a valley floor at night |
| C. | Warmer hillsides that are less likely to experience freezing conditions |
| D. | Cold, below-freezing air found at the top of a mountain |
| Answer» D. Cold, below-freezing air found at the top of a mountain | |
| 359. |
%_Which of the following projects contribute to displacement?_% |
| A. | Dam projects |
| B. | Urban infrastructure projects |
| C. | Transportation projects |
| D. | All the above |
| Answer» E. | |
| 360. |
%_What is Dendrology?_% |
| A. | Study of Plants |
| B. | Study of Butterflies |
| C. | Study of Trees |
| D. | None of these |
| Answer» D. None of these | |
| 361. |
%_Frost typically forms on the inside of a windowpane (rather than the outside) because:_% |
| A. | The inside of the pane is colder than the outside |
| B. | There is more water vapor touching the inside of the pane |
| C. | There is less water vapor touching the inside of the pane |
| D. | None of the above |
| Answer» C. There is less water vapor touching the inside of the pane | |
| 362. |
%_pper layer of water in a single body of water is known as_% |
| A. | Hypolimnion |
| B. | Epilimnion |
| C. | Thermocline |
| D. | Hydroline |
| Answer» C. Thermocline | |
| 363. |
%__________ power station at the mouth of the river blocks the flow of polluted water into the sea_% |
| A. | Thermal |
| B. | Nuclear |
| C. | Tidal |
| D. | Wind |
| Answer» D. Wind | |
| 364. |
_ What is Dendrology?$? |
| A. | Study of Plants |
| B. | Study of Butterflies |
| C. | Study of Trees |
| D. | None of these |
| Answer» D. None of these | |
| 365. |
_ In pond ecosystem, the pyramid of biomass is$? |
| A. | upright |
| B. | inverted |
| C. | spindle shaped |
| D. | none of these |
| Answer» C. spindle shaped | |
| 366. |
_ The Red Data book which lists endangered species is maintained by$? |
| A. | UNO |
| B. | WHO |
| C. | IUCN |
| D. | WWF |
| Answer» D. WWF | |
| 367. |
_ Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?$? |
| A. | Orchard heaters |
| B. | Wind machines |
| C. | Irrigation (cover the area with water) |
| D. | All of the above |
| Answer» E. | |
| 368. |
_ Conservation within the natural habitat is$? |
| A. | insitu conservation |
| B. | exsitu conservation |
| C. | invivo conservation |
| D. | exvivo conservation |
| Answer» B. exsitu conservation | |
| 369. |
_ Environmental education should be in approach.$? |
| A. | interdependent |
| B. | interpreting |
| C. | interdisciplinary |
| D. | balanced |
| Answer» D. balanced | |
| 370. |
_ Which state proposed a ban on all types of polythene packing for the first time in India?$? |
| A. | Himachal Pradesh |
| B. | Madhya Pradesh |
| C. | Kerala |
| D. | Karnataka |
| Answer» B. Madhya Pradesh | |
| 371. |
_ On which date was the Stockholm Conference on Human Environment held?$? |
| A. | July 6th 1974 |
| B. | Aug 8th 1976 |
| C. | June 5th 1972 |
| D. | Dec 12th 1990 |
| Answer» D. Dec 12th 1990 | |
| 372. |
_ The source of aerosol in upper atmosphere is$? |
| A. | sea currents |
| B. | petroleum based industries |
| C. | jet planes |
| D. | ruminants |
| Answer» D. ruminants | |
| 373. |
_ Approximately, 50% of total world species are present on$? |
| A. | Tropical rain forest |
| B. | Temperate rain forest |
| C. | Temperate deciduous forest |
| D. | Coral reefs |
| Answer» B. Temperate rain forest | |
| 374. |
_ Which of the following is the BEST indicator of the actual amount of water vapor in the air?$? |
| A. | Air temperature |
| B. | Saturation vapor pressure |
| C. | Relative humidity |
| D. | Dew point temperature |
| Answer» E. | |
| 375. |
_ Ecology deals with the study of:$? |
| A. | Living beings |
| B. | Living and non living components |
| C. | Reciprocal relationship between living and non living components |
| D. | Environment |
| Answer» D. Environment | |
| 376. |
_ _______ is a cold desert in India$? |
| A. | Thar |
| B. | Ladakh |
| C. | Ran of Kutch |
| D. | Bhopal |
| Answer» C. Ran of Kutch | |
| 377. |
_ Rainfall is measured by an instrument known as$? |
| A. | Seismograph |
| B. | Lactometer |
| C. | Rain gauge |
| D. | Nanometer |
| Answer» D. Nanometer | |
| 378. |
_ Which of the processes is used to dispose the radioactive wastes?$? |
| A. | ground storage |
| B. | ocean disposal |
| C. | landfills |
| D. | vary based on activity |
| Answer» E. | |
| 379. |
_ The heat energy released when water vapor changes to a liquid is called:$? |
| A. | Latent heat of evaporation |
| B. | Latent heat of fusion |
| C. | Latent heat of fission |
| D. | Latent heat of condensation |
| Answer» E. | |
| 380. |
_ The slow rate of decomposition of fallen logs in nature is due to their$? |
| A. | poor nitrogen content |
| B. | low moisture content |
| C. | low cellulose content |
| D. | anaerobic environment around them |
| Answer» C. low cellulose content | |
| 381. |
_ A smog that occurs due to low temperature and has reducing environment is$? |
| A. | los angeles smog |
| B. | photochemical smog |
| C. | london smog |
| D. | greenland smog |
| Answer» D. greenland smog | |
| 382. |
_ The indoor pollutant radon which is a radioactive gas causes$? |
| A. | lung cancer |
| B. | anemia |
| C. | hormone disorder |
| D. | cardiac arrest |
| Answer» B. anemia | |
| 383. |
_ The dramatic increase in agricultural production that have been made possible by high yield miracle crops are called the$? |
| A. | biotechnical revolution |
| B. | bioeconomic revolution |
| C. | green house effect |
| D. | green revolution |
| Answer» E. | |
| 384. |
_ What is the major cause of diminishing wildlife number?$? |
| A. | Felling of trees |
| B. | Cannibalism |
| C. | Habitat destruction |
| D. | Paucity of drinking water |
| Answer» D. Paucity of drinking water | |
| 385. |
_ All of the following are advantages of dams except$? |
| A. | flood control |
| B. | recreation |
| C. | hydroelectric power |
| D. | enhancing natural spawning patterns of fish |
| Answer» E. | |
| 386. |
_ One third of the global cases of Tuberculosis is in$? |
| A. | Britain |
| B. | Sweden |
| C. | India |
| D. | China |
| Answer» D. China | |
| 387. |
_ A slow moving river of solid ice is called$? |
| A. | delta |
| B. | watershed |
| C. | glacier |
| D. | crevasses |
| Answer» D. crevasses | |
| 388. |
_ The formation of __________ is the most characteristic feature in upper course of a river$? |
| A. | landslide |
| B. | canyons |
| C. | gorges |
| D. | waterfalls |
| Answer» E. | |
| 389. |
_ Which country contains about 50% of the world's coal resources?$? |
| A. | United States |
| B. | China |
| C. | Canada |
| D. | The former Soviet Union |
| Answer» E. | |
| 390. |
_ The inherent ability of organisms to reproduce and multiply is called$? |
| A. | C value |
| B. | biotic potential |
| C. | carrying capacity |
| D. | K value |
| Answer» C. carrying capacity | |
| 391. |
_ Global warming is caused by$? |
| A. | GHGs |
| B. | CFCs |
| C. | CH4 |
| D. | NO2 |
| Answer» B. CFCs | |
| 392. |
_ The temperature scale that sets freezing of pure water at 32o F:$? |
| A. | Kelvin |
| B. | Fahrenheit |
| C. | Celsius |
| D. | British |
| Answer» C. Celsius | |
| 393. |
_ Soil chemistry is considered a(n) __________ factor$? |
| A. | topographic |
| B. | econtonal |
| C. | biologic |
| D. | edaphic |
| Answer» E. | |
| 394. |
_ Which book written by Rachel Carson resulted in banning DDT in USA?$? |
| A. | Silent spring |
| B. | The environmentalism |
| C. | Biomagnification |
| D. | Food chain |
| Answer» B. The environmentalism | |
| 395. |
_ In a population, unrestricted reproductive capacity is called as$? |
| A. | carrying capacity |
| B. | biotic potential |
| C. | birth rate |
| D. | fertility rate |
| Answer» D. fertility rate | |
| 396. |
_ Two objects, A and B, have the same mass but the specific heat of A is larger than B. If both objects absorb equal amounts of energy,$? |
| A. | A will become warmer than B |
| B. | B will become warmer than A |
| C. | Both A and B will warm at the same rate |
| D. | A will get warmer, but B will get colder |
| Answer» C. Both A and B will warm at the same rate | |
| 397. |
_ Largest reptile in the world$? |
| A. | Dragon |
| B. | Anaconda |
| C. | Crocodile |
| D. | Python |
| Answer» C. Crocodile | |
| 398. |
_ What is meant by ex-situ conservation?$? |
| A. | Conservation of a species by protecting its habitat along with all other species living there |
| B. | Conservation of forest eco system |
| C. | Conservation of a species outside its natural habitat |
| D. | Conservation of plants |
| Answer» D. Conservation of plants | |
| 399. |
_ BOD of a river water is found very high. This means water$? |
| A. | Is clear |
| B. | Is highly polluted |
| C. | Contain Algae |
| D. | Contain many dissolved minerals |
| Answer» C. Contain Algae | |
| 400. |
_ The presence of high coliform counts in water indicates$? |
| A. | contamination by human wastes |
| B. | phosphorus contamination |
| C. | decreased Biological Oxygen Demand |
| D. | hydrocrbon contamination |
| Answer» B. phosphorus contamination | |