McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Arts in Economics (BA Economics) .
Chapters
| 1. |
The part of the earth where life exists is…………. |
| A. | lithosphere |
| B. | biosphere |
| C. | exosphere |
| D. | ecotone |
| Answer» B. biosphere | |
| 2. |
The study of interaction between living organisms and their environment is called………. |
| A. | ethnology |
| B. | ethology |
| C. | ecology |
| D. | entomology. |
| Answer» C. ecology | |
| 3. |
The locality where an organism lives is……. |
| A. | niche |
| B. | habitat |
| C. | environment |
| D. | none of the above. |
| Answer» B. habitat | |
| 4. |
The ocean covers…………percentage of the earth’s surface. |
| A. | 51 |
| B. | 88 |
| C. | 71 |
| D. | 25 |
| Answer» C. 71 | |
| 5. |
Green Revolution is associated with………. |
| A. | sericulture |
| B. | horticulture |
| C. | agriculture |
| D. | aqua culture. |
| Answer» C. agriculture | |
| 6. |
Which one of the following is a renewable resource? |
| A. | petroleum |
| B. | biological species |
| C. | mineral ores |
| D. | soil fertility. |
| Answer» D. soil fertility. | |
| 7. |
Conventional energy source includes: |
| A. | coal |
| B. | solar energy |
| C. | wind energy |
| D. | geothermal energy. |
| Answer» A. coal | |
| 8. |
Sweeping away of fertile top soil by wind or water is….. |
| A. | siltation |
| B. | land slide |
| C. | soil erosion |
| D. | leaching |
| Answer» C. soil erosion | |
| 9. |
The soil of India’s eastern and western coast is– |
| A. | alluvial |
| B. | black cotton |
| C. | red rocky |
| D. | laterite |
| Answer» D. laterite | |
| 10. |
The most harmful environmental pollution from nuclear reactor is– |
| A. | radioactivity |
| B. | particulate formation |
| C. | thermal pollution |
| D. | noise pollution. |
| Answer» C. thermal pollution | |
| 11. |
11) Which of the following is used as a moderator in nuclear reactor? |
| A. | thorium |
| B. | graphite |
| C. | radium |
| D. | ordinary water. |
| Answer» B. graphite | |
| 12. |
Which state irrigates largest percentage of land? |
| A. | haryana |
| B. | uttar pradesh |
| C. | maharashtra |
| D. | punjab |
| Answer» D. punjab | |
| 13. |
Which of the following is not a primary pollutant? |
| A. | so2 |
| B. | volcanic ash |
| C. | o3 |
| D. | co2. |
| Answer» C. o3 | |
| 14. |
Which one among the following covers the highest percentage of forest area in the world? |
| A. | temperate coniferous forests |
| B. | temperate deciduous forest |
| C. | tropical monsoon forests |
| D. | tropical rain forests. |
| Answer» A. temperate coniferous forests | |
| 15. |
Plants get their nitrogen from– |
| A. | rain |
| B. | the soil |
| C. | the air |
| D. | the bedrock. |
| Answer» B. the soil | |
| 16. |
The lowest temperature of air is recorded at– |
| A. | midnight |
| B. | just before sunrise |
| C. | just after sunset |
| D. | just after midnight. |
| Answer» B. just before sunrise | |
| 17. |
Which of the following is an organic gas? |
| A. | hydrocarbons |
| B. | aldehydes |
| C. | ketones |
| D. | ammonia |
| Answer» D. ammonia | |
| 18. |
Which of the following is/are inorganic gas (es)? |
| A. | carbon monoxide |
| B. | hydrogen sulphide |
| C. | chlorine |
| D. | all of the above |
| Answer» D. all of the above | |
| 19. |
All forms of water that comes down on Earth, including rain, show, hail etc. is known as--------------- |
| A. | calcification |
| B. | fixation |
| C. | precipitation |
| D. | none |
| Answer» C. precipitation | |
| 20. |
The forests in the Arctic are called ------------------------- |
| A. | savanna |
| B. | tundra |
| C. | prairies |
| D. | none of these |
| Answer» B. tundra | |
| 21. |
National Maritime Day of India is celebrated on: |
| A. | october 16 |
| B. | april 05 |
| C. | march 21 |
| D. | june 05 |
| Answer» B. april 05 | |
| 22. |
The animal which consumes decaying organic matter is |
| A. | carnivore |
| B. | detrvore |
| C. | herbivore |
| D. | none of these |
| Answer» B. detrvore | |
| 23. |
Ganga Action Plan in India was launched in the year: |
| A. | 1988 |
| B. | 1985 |
| C. | 1980 |
| D. | 1992 |
| Answer» B. 1985 | |
| 24. |
What is the name of the action plan for sustainable development in the twenty first century framed in the Rio Declaration on Environment & Development (1992)? |
| A. | action 21 |
| B. | agenda 21 |
| C. | rio 2 |
| D. | kyoto protocol |
| Answer» B. agenda 21 | |
| 25. |
A set of organisms that resemble one another in appearance and behaviour is called a: |
| A. | exons |
| B. | prions |
| C. | species |
| D. | all of these |
| Answer» C. species | |
| 26. |
The area where all the living organisms interact with each other and their environment is --------------- - |
| A. | biosphere |
| B. | exosphere |
| C. | mesosphere |
| D. | thermosphere |
| Answer» A. biosphere | |
| 27. |
Agriculture is the chief subject of……. |
| A. | green revolution |
| B. | white revolution |
| C. | black revolution |
| D. | none of these. |
| Answer» A. green revolution | |
| 28. |
The first protected area in India is -------------------------- |
| A. | silent valley |
| B. | corbett national park |
| C. | bandipur sanctuary |
| D. | none of these |
| Answer» A. silent valley | |
| 29. |
The Indian Parliament passed the Biodiversity Bill in the year |
| A. | 2000 |
| B. | 2005 |
| C. | 2002 |
| D. | 2008 |
| Answer» C. 2002 | |
| 30. |
World Water Day is celebrated on ---------------------- |
| A. | may 22 |
| B. | june 05 |
| C. | march 22 |
| D. | september 05 |
| Answer» C. march 22 | |
| 31. |
The Unit of measurement of intensity of sound is: |
| A. | decibels |
| B. | lux |
| C. | parsec |
| D. | hertz |
| Answer» A. decibels | |
| 32. |
A combination of smoke, fog and chemical pollutants seen in industrialized cities is known as -------- ---------- |
| A. | so |
| B. | smog |
| C. | fallout |
| D. | ozone |
| Answer» B. smog | |
| 33. |
The violent tropical storms in the Indian Ocean are known as------------------ |
| A. | typhoon |
| B. | cyclones |
| C. | hurricane |
| D. | none of these |
| Answer» B. cyclones | |
| 34. |
The worst nuclear accident happened to date is occurred at |
| A. | chernobyl in 1986 |
| B. | three mile power plant in 1979 |
| C. | sellafield in 1957 |
| D. | none of these |
| Answer» A. chernobyl in 1986 | |
| 35. |
Major cause of Ozone depletion is due to which chemical? |
| A. | chlorofluorocarbons |
| B. | polyphenols |
| C. | dioxins |
| D. | none of these |
| Answer» A. chlorofluorocarbons | |
| 36. |
The legally binding international agreement to reduce Greenhouse gases by 5 % 2012 is: |
| A. | vienna convention |
| B. | montreal protocol |
| C. | kyoto protocol |
| D. | agenda 21 |
| Answer» C. kyoto protocol | |
| 37. |
The portion of the earth and its environment which can support life is known as |
| A. | crust |
| B. | biosphere |
| C. | exosphere |
| D. | mesosphere |
| Answer» B. biosphere | |
| 38. |
Public awareness of environment creates: |
| A. | environment protection |
| B. | environment degradation |
| C. | environmental improvement |
| D. | environmental cultivation |
| Answer» A. environment protection | |
| 39. |
How is the atmosphere, hydrosphere and lithosphere connected ? |
| A. | hydrological cycle |
| B. | nitrogen cycle |
| C. | oxygen cycle |
| D. | carbon cycle |
| Answer» D. carbon cycle | |
| 40. |
What is the meaning of the word “endemic” |
| A. | rare and occur only in a few location |
| B. | rare and occur everywhere |
| C. | abundant and seen everywhere |
| D. | abundant and only in few locations |
| Answer» A. rare and occur only in a few location | |
| 41. |
Which gas is likely to be reduced in the atmosphere by deforestation? |
| A. | carbon dioxide |
| B. | nitroge |
| C. | oxygen |
| D. | none of these |
| Answer» C. oxygen | |
| 42. |
What are rodenticides ? |
| A. | that kill fishes |
| B. | that kill insects |
| C. | that kill rats |
| D. | that kill crocos |
| Answer» C. that kill rats | |
| 43. |
Which of the following enhances soil fertility ? |
| A. | crop rotation |
| B. | improved methods of agriculture |
| C. | using new seed verities |
| D. | irrigation |
| Answer» A. crop rotation | |
| 44. |
Salinization is ------------------------- |
| A. | accumulation of salts in water |
| B. | accumulation of salts in food |
| C. | accumulation of salts in body animals |
| D. | accumulation of salts in animals |
| Answer» A. accumulation of salts in water | |
| 45. |
What is oil slick ? |
| A. | boiled oil |
| B. | cooled oil |
| C. | thin film of oil in sea water |
| D. | oil in deep sea |
| Answer» D. oil in deep sea | |
| 46. |
Cigarette smoking exposes one to --------------- |
| A. | sulphur dioxide |
| B. | carbon dioxide |
| C. | nitrogen peroxide |
| D. | carbon monoxide |
| Answer» D. carbon monoxide | |
| 47. |
Noise is --------------------- |
| A. | huge sound |
| B. | sound of vehicles: |
| C. | undesirable and unwanted sound |
| D. | sound of crackers |
| Answer» C. undesirable and unwanted sound | |
| 48. |
Vermi composting is a natural method of |
| A. | producing compost manure |
| B. | producing worms |
| C. | managing waste it creates |
| D. | destroying worms |
| Answer» C. managing waste it creates | |
| 49. |
The intensity of earthquake is measured in --------------- |
| A. | beaufort scale |
| B. | richter scale |
| C. | mohs scale |
| D. | none |
| Answer» B. richter scale | |
| 50. |
Which of the below is most responsible for world water crisis ? |
| A. | dams |
| B. | floods |
| C. | drought |
| D. | population growth |
| Answer» D. population growth | |
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