MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
One of traumatic effect of acute global warming is |
| A. | Eczema |
| B. | Kidney problem |
| C. | Skin infection |
| D. | Cardiovascular disease |
| Answer» E. | |
| 2. |
Process involved in cutting and burning of trees by farmers, known as: |
| A. | Poultry farming |
| B. | Horticulture |
| C. | Farming |
| D. | Slash and burn agriculture |
| Answer» E. | |
| 3. |
Particulate matters are also originated from |
| A. | Forests |
| B. | Deserts |
| C. | Gas heaters |
| D. | Industrial Sites |
| Answer» E. | |
| 4. |
What does high flying crafts deplete ? |
| A. | Atmosphere |
| B. | Ozone Layer |
| C. | Biosphere |
| D. | Hydrosphere |
| Answer» C. Biosphere | |
| 5. |
CFCs contains fluorine, carbon and |
| A. | Oxygen atom |
| B. | Sodium atom |
| C. | chlorine atom |
| D. | Carbon atom |
| Answer» D. Carbon atom | |
| 6. |
In 1999 extreme weather event, which country was 66% flooded? |
| A. | Pakistan |
| B. | India |
| C. | Bangladesh |
| D. | Iran |
| Answer» D. Iran | |
| 7. |
Radiative forcing is change in average net radiation, at top of the: |
| A. | Troposphere |
| B. | Stratosphere |
| C. | Ionosphere |
| D. | Biosphere |
| Answer» B. Stratosphere | |
| 8. |
Ratio of increased greenhouse effect of any gas campared with carbondioxide is known as: |
| A. | Global Warming |
| B. | Greenhouse effect |
| C. | Greenhouse Gases |
| D. | Global warming potential |
| Answer» E. | |
| 9. |
Condensation is process that changes substance from: |
| A. | Liquid to Solid |
| B. | Solid to Liquid |
| C. | Liquid to Solid |
| D. | Gas to Liquid |
| Answer» E. | |
| 10. |
Tritium is a radioactive isotope of |
| A. | Sodium |
| B. | Carbon |
| C. | Oxygen |
| D. | Hydrogen |
| Answer» E. | |
| 11. |
Rare gases present in atmosphere includes argon, krypton and |
| A. | Neon |
| B. | Sodium |
| C. | Pottasium |
| D. | Iron |
| Answer» B. Sodium | |
| 12. |
Rio Declaration on Environment and Development was agreed by: |
| A. | 160 countries |
| B. | 130 countries |
| C. | 108 countries |
| D. | 190 countries |
| Answer» B. 130 countries | |
| 13. |
A nucleus of an atom, containing proton and |
| A. | Neutron |
| B. | Proton |
| C. | Electron |
| D. | All of above |
| Answer» B. Proton | |
| 14. |
Carbonmonoxide is a colorless, odourless and |
| A. | Tasteless Gas |
| B. | Pollutants |
| C. | NonToxic Gas |
| D. | Poisonous Gas |
| Answer» E. | |
| 15. |
'CIS' stands for |
| A. | Climate change of Independent States |
| B. | Commonwealth of Influenctial System |
| C. | Commonwealth of Independent States |
| D. | Conversation of Independent States |
| Answer» D. Conversation of Independent States | |
| 16. |
Carbondioxide fertilisation affects C3 plants more than: |
| A. | C Plants |
| B. | C4 Plants |
| C. | C2 Plants |
| D. | C1 Plants |
| Answer» C. C2 Plants | |
| 17. |
What is used as a radioactive tracer? |
| A. | Protium |
| B. | Deuterium |
| C. | Tritium |
| D. | Muonium |
| Answer» D. Muonium | |
| 18. |
Stratospheric ozone is measured by a unit called: |
| A. | Dobson Unit |
| B. | Barometer |
| C. | Thermometer |
| D. | Kelometer |
| Answer» B. Barometer | |
| 19. |
A source of energy, which can not be depleted by utilizing it known as: |
| A. | Coal |
| B. | Non Renewable Energy |
| C. | Renewable Energy |
| D. | Fossil fuels |
| Answer» D. Fossil fuels | |
| 20. |
Over last 100 years, average temperature around world has risen about |
| A. | 1.75 °C |
| B. | 0.75 °C |
| C. | 2.75 °C |
| D. | 4.75 °C |
| Answer» C. 2.75 °C | |
| 21. |
According to estimates, rate of Antarctic ice melt to double by 2050 |
| A. | 2050 |
| B. | 2020 |
| C. | 2022 |
| D. | 2030 |
| Answer» B. 2020 | |
| 22. |
'Carbon monoxide' and 'nitrogen oxides' emitted from |
| A. | Air Crafts |
| B. | Motor vehicles |
| C. | Industries |
| D. | Commercial Aeas |
| Answer» C. Industries | |
| 23. |
In atmosphere, oxygen constitutes |
| A. | 0.9% oxygen |
| B. | 0.05% oxygen |
| C. | 0.2095% oxygen |
| D. | 0.02% oxygen |
| Answer» D. 0.02% oxygen | |
| 24. |
Sulphur dioxide, includes dry deposition and |
| A. | Eutrophication |
| B. | Deforestation |
| C. | Reactions with OH |
| D. | Agricultural Activities |
| Answer» D. Agricultural Activities | |
| 25. |
CFCs' are considered as main cause of |
| A. | Eutrophication |
| B. | Deforestation |
| C. | Ozone Depletion |
| D. | Acid Rain |
| Answer» D. Acid Rain | |
| 26. |
Lifespan of 'chloroflurocarbons' are long lasting in the |
| A. | Atmosphere |
| B. | Oceans |
| C. | Rivers |
| D. | Glaciers |
| Answer» B. Oceans | |
| 27. |
Land and water dwelling plants, may suffer from |
| A. | Ultraviolet radiations |
| B. | Pollutions |
| C. | Air pollution |
| D. | Pollutants |
| Answer» B. Pollutions | |
| 28. |
Ozone has a strong odour at: |
| A. | 01 ppm |
| B. | 6 ppm |
| C. | 0.02 ppm |
| D. | 9 ppm |
| Answer» D. 9 ppm | |
| 29. |
Pressure of surface area is |
| A. | 1000 hPa |
| B. | 5000 hPa |
| C. | 4000 hPa |
| D. | 3000 hPa |
| Answer» B. 5000 hPa | |
| 30. |
Daisyworld model was developed by |
| A. | Lovelock |
| B. | Einstein |
| C. | Darwin |
| D. | Charls |
| Answer» B. Einstein | |
| 31. |
Three isotopes of carbon are important in: |
| A. | Hydrogen cycle |
| B. | Carbon cycle |
| C. | P cycle |
| D. | N cycle |
| Answer» C. P cycle | |
| 32. |
Photovoltaic cells are formed from |
| A. | Calcium |
| B. | Silicon |
| C. | Minerals |
| D. | Rocks |
| Answer» C. Minerals | |
| 33. |
'DC' stands for |
| A. | Developed Countries |
| B. | Developing Countries |
| C. | Diplomatic Chops |
| D. | Diplomatic Councils |
| Answer» C. Diplomatic Chops | |
| 34. |
Convection is transfer of heat within a fluid generated by a: |
| A. | Temperature difference |
| B. | Pressure difference |
| C. | Mositure difference |
| D. | Heat difference |
| Answer» B. Pressure difference | |
| 35. |
Florinated gases are mainly used in refrigeration and |
| A. | Forest application |
| B. | Mining application |
| C. | Farming appliances |
| D. | Manufacturing applications |
| Answer» E. | |
| 36. |
'Zooplankton' are minute forms of animal life in the: |
| A. | Oceans |
| B. | Ponds |
| C. | Rivers |
| D. | Lakes |
| Answer» B. Ponds | |
| 37. |
Chlorofluorocarbons are synthetic compounds used extensively for: |
| A. | Televions and Microwave Ovans |
| B. | Batteries and Cellphones |
| C. | Solar and wind Plants |
| D. | Refrigeration and aerosol sprays |
| Answer» E. | |
| 38. |
Lifespan of CFCs in atmosphere is: |
| A. | 10-30 years |
| B. | 40-30 years |
| C. | 60 to 30 years |
| D. | 100-30 years |
| Answer» D. 100-30 years | |
| 39. |
Facultative bacteria, breakdown organic material in absence of |
| A. | Oxygen |
| B. | Carbondioxide |
| C. | Carbon |
| D. | Metals |
| Answer» B. Carbondioxide | |
| 40. |
In order to preferred way to assess quality, developing nations are located in |
| A. | Subtropical region |
| B. | Tropical region |
| C. | Temperate grassland |
| D. | All of above |
| Answer» C. Temperate grassland | |
| 41. |
Earth's atmosphere is primary composed of nitrogen and |
| A. | Oxides |
| B. | Acids |
| C. | Carbon |
| D. | Oxygen |
| Answer» E. | |
| 42. |
Nitrogen oxide are formed when fossil fuels burn at: |
| A. | Low Temperature |
| B. | High Temperature |
| C. | High Pressure |
| D. | Low Pressure |
| Answer» C. High Pressure | |
| 43. |
Continent of antarctica has been losing more than |
| A. | 300 cubic meters per year |
| B. | 400 cubic meters per year |
| C. | 200 cubic meters per year |
| D. | 100 cubic meters per year |
| Answer» E. | |
| 44. |
Carbon dioxide absorbs infrared radiation, affecting |
| A. | Pollution particles |
| B. | AtmospherIc temperature |
| C. | Tropospheric Ozone |
| D. | Stratospheric Ozone |
| Answer» E. | |
| 45. |
In troposhere, convection is process responsible for transfer of: |
| A. | Air |
| B. | Heat |
| C. | Moisture |
| D. | Pollution |
| Answer» C. Moisture | |
| 46. |
Envelope of gases surrounding Earth and planets is known as: |
| A. | Biosphere |
| B. | Atmosphere |
| C. | Hydrosphere |
| D. | Troposphere |
| Answer» C. Hydrosphere | |
| 47. |
Anthropic principle, relates existence of Universe to existence of |
| A. | Plants |
| B. | Humans |
| C. | Animals |
| D. | Marine Animals |
| Answer» C. Animals | |
| 48. |
UV' stands for |
| A. | Ultra volatile |
| B. | Ultra-violet radiation |
| C. | Ultra Viral |
| D. | Ultra visual |
| Answer» C. Ultra Viral | |
| 49. |
1 gigatonne is equal to: |
| A. | 109 tonnes |
| B. | 909 tonnes |
| C. | 709 tonnes |
| D. | 309 tonnes |
| Answer» B. 909 tonnes | |
| 50. |
Point sources of water 'pollution' is |
| A. | Un identifiable |
| B. | Identifiable |
| C. | Scattered |
| D. | purified |
| Answer» C. Scattered | |