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. |
Which two layers of atmosphere are important for human life? |
| A. | Stratosphere |
| B. | Troposphere |
| C. | Both a and b |
| D. | Hydrosphere |
| Answer» D. Hydrosphere | |
| 2. |
Burning of fossil fuels, produces |
| A. | Aerosols |
| B. | Waste |
| C. | Pollution |
| D. | Carbon dioxide |
| Answer» E. | |
| 3. |
World's largest hydropower is situated in |
| A. | China |
| B. | Japan |
| C. | India |
| D. | Pakistan |
| Answer» B. Japan | |
| 4. |
A small hydropower schemes provides a locally based supply at a modest |
| A. | Cost |
| B. | Way |
| C. | Areas |
| D. | Village |
| Answer» B. Way | |
| 5. |
How much percent of carbon dioxide is present in the atmosphere? |
| A. | 0.05% |
| B. | 0.09% |
| C. | 0.03% |
| D. | 0.07% |
| Answer» D. 0.07% | |
| 6. |
The atmosphere pressure decreases with |
| A. | Length |
| B. | Width |
| C. | Height |
| D. | All of these |
| Answer» D. All of these | |
| 7. |
Nuclei of hydrogen are fused to form: |
| A. | Copper |
| B. | Cobalt |
| C. | Chlorine |
| D. | Helium |
| Answer» E. | |
| 8. |
Heat from the ground in a areas of volcanic activity is known as |
| A. | Wave energy |
| B. | solar energy |
| C. | Geothermal Energy |
| D. | wind energy |
| Answer» D. wind energy | |
| 9. |
Large dams are expensive because developing countries may get into |
| A. | Loss |
| B. | Profit |
| C. | Debt |
| D. | Destruction |
| Answer» D. Destruction | |
| 10. |
The solar energy reaching the earth surface is known as |
| A. | Insolation |
| B. | Insulation |
| C. | Heating |
| D. | All of these |
| Answer» B. Insulation | |
| 11. |
What keeps the atmosphere attached to the earth? |
| A. | Gravitational Force |
| B. | Conduction |
| C. | Both a and b |
| D. | None of these |
| Answer» B. Conduction | |
| 12. |
To measure speed of wind, a tool is used, known as: |
| A. | Memometer |
| B. | Anemometer |
| C. | Nanometer |
| D. | Barometer |
| Answer» C. Nanometer | |
| 13. |
Companies can install energy efficient lights, heating and |
| A. | Air conditions |
| B. | Generators |
| C. | Sinks |
| D. | Machines |
| Answer» B. Generators | |
| 14. |
Carbon released in the atmosphere increase the level of |
| A. | Methane |
| B. | GHGs |
| C. | Gases |
| D. | Air Pollution |
| Answer» C. Gases | |
| 15. |
What is the source of cloud formation and precipitation in the troposphere? |
| A. | Water vapors |
| B. | Rain |
| C. | Infiltration |
| D. | All of these |
| Answer» B. Rain | |
| 16. |
Which country has more interest for biofuel? |
| A. | Pakistan |
| B. | South Africa |
| C. | Brazil |
| D. | USA |
| Answer» D. USA | |
| 17. |
What percentage world's species live in tropical rain forest? |
| A. | 90% |
| B. | 60% |
| C. | 50% |
| D. | 40% |
| Answer» D. 40% | |
| 18. |
Tarbela Dam is situated in which country? |
| A. | India |
| B. | Pakistan |
| C. | Bangladesh |
| D. | Srilanka |
| Answer» C. Bangladesh | |
| 19. |
Which ocean fishes are slow growing and takes long time to reach in maturity? |
| A. | Antarctic Fishes |
| B. | Southern Ocean Fishes |
| C. | Artic Fishes |
| D. | All of these |
| Answer» B. Southern Ocean Fishes | |
| 20. |
Why many national parks charge entry fee from visitors? |
| A. | Generating income |
| B. | Maintainence of park |
| C. | Profit |
| D. | Conservation |
| Answer» C. Profit | |
| 21. |
What percentages are higher in the troposphere? |
| A. | Carbon dioxide |
| B. | Water vapor |
| C. | Both a and b |
| D. | None of these |
| Answer» D. None of these | |
| 22. |
Hydroelectric schemes, supplyung about 6% of world's: |
| A. | Industrial energy |
| B. | Residential energy |
| C. | Commercial energy |
| D. | Space energy |
| Answer» D. Space energy | |
| 23. |
Road transport accounts 80 percent of greenhouse gases (GHGs) emission in |
| A. | Developing countries |
| B. | Industrilized world |
| C. | Non industrilized world |
| D. | Progressive countries |
| Answer» C. Non industrilized world | |
| 24. |
The atmosphere contains how much percentages of Nitrogen? |
| A. | 76% |
| B. | 67% |
| C. | 78.09% |
| D. | 55% |
| Answer» D. 55% | |
| 25. |
The length of three gorges dam is |
| A. | 3000 meters |
| B. | 2000meter |
| C. | 1000meters |
| D. | 200 meters |
| Answer» C. 1000meters | |
| 26. |
Which energy is always available |
| A. | Non-Renewable energy |
| B. | Renewable energy |
| C. | Nuclear Energy |
| D. | Fossil Fuels |
| Answer» C. Nuclear Energy | |
| 27. |
In North America, average citizen consumes, approximately |
| A. | 12kW |
| B. | 14kW |
| C. | 11kW |
| D. | 31kW |
| Answer» D. 31kW | |
| 28. |
Scenario C, assuming strong pressure in reducing the |
| A. | Aerosols |
| B. | Pollutants |
| C. | Emission of GHGs |
| D. | Nitrates |
| Answer» D. Nitrates | |
| 29. |
In 2000, total installed world capacity of PV increased about: |
| A. | 3500 MW |
| B. | 1500 MW |
| C. | 6500 MW |
| D. | 9500 MW |
| Answer» C. 6500 MW | |
| 30. |
In 2010, average global household electricity consumption was approximately: |
| A. | 5, 500 kWh |
| B. | 3, 500 kWh |
| C. | 7, 500 kWh |
| D. | 8, 500 kWh |
| Answer» C. 7, 500 kWh | |
| 31. |
The largest man made hole on the surface of earth is produced by extraction of which mineral? |
| A. | Uranium and Copper |
| B. | Uranium and Lead |
| C. | Copper and Gold |
| D. | Copper and Silver |
| Answer» B. Uranium and Lead | |
| 32. |
What is the most characteristic features of tropical rain fosrest? |
| A. | Biodiversity |
| B. | Ecosystem |
| C. | Microorganism |
| D. | Biomass |
| Answer» B. Ecosystem | |
| 33. |
Where the sun's rays reach on the surface on earth oblique angle? |
| A. | Tropics |
| B. | Equator |
| C. | Poles |
| D. | All of these |
| Answer» D. All of these | |
| 34. |
In 2000, world's estimated consumption of energy was: |
| A. | 60 000 million toe |
| B. | 40 000 million toe |
| C. | 10 000 million toe |
| D. | 30 000 million toe |
| Answer» D. 30 000 million toe | |
| 35. |
In a panel of cells, area of one square metre is being directly exoposed to sunlight, generates |
| A. | 700 and 800 W of electrical power |
| B. | 100 and 500 W of electrical power |
| C. | 100 and 900 W of electrical power |
| D. | 100 and 200 W of electrical power |
| Answer» E. | |
| 36. |
Which region of the world oil consumption is more than its production per year? |
| A. | Africa |
| B. | Middle East |
| C. | North America |
| D. | Russia |
| Answer» D. Russia | |
| 37. |
Biodiversity contains different types of |
| A. | Speices |
| B. | Ecosystem |
| C. | Animals and Plants |
| D. | Biomes |
| Answer» C. Animals and Plants | |
| 38. |
Hydrogen isotops includes: deuterium and |
| A. | Tritium |
| B. | Teraium |
| C. | Bipolar |
| D. | Hectarium |
| Answer» B. Teraium | |
| 39. |
Electricity generating companies, having difficulty in generating electrical power from: |
| A. | Wind |
| B. | Water |
| C. | Solar Energy |
| D. | Wave Energy |
| Answer» B. Water | |
| 40. |
Untill industrial revolution, human were dependent on traditional sources of |
| A. | Heat |
| B. | Energy |
| C. | Food product |
| D. | Nutrient Supplies |
| Answer» C. Food product | |
| 41. |
What is biofuel? |
| A. | Fuel used from crops |
| B. | From Renewable energy |
| C. | Biomass |
| D. | Waste |
| Answer» B. From Renewable energy | |
| 42. |
In a storage tank, hot water is required for: |
| A. | Wind energy |
| B. | Solar water Heating |
| C. | Fossil fuel |
| D. | Coal |
| Answer» C. Fossil fuel | |
| 43. |
Why the cost of wind power is dropped by 80% in the last 20 years? |
| A. | Due to the efficiency of bigger turbines |
| B. | Due to New technology |
| C. | Due to Technological advancement |
| D. | Due to use to cheap material for the manufacturing of technology |
| Answer» B. Due to New technology | |
| 44. |
Sunlight is |
| A. | Long wave radiations |
| B. | Shortwave radiations |
| C. | Both a and b |
| D. | None of these |
| Answer» C. Both a and b | |
| 45. |
Small wind turbines aid in charging batteries, used in |
| A. | Hilly Areas |
| B. | Isolated Location |
| C. | Home |
| D. | Commercial Aeas |
| Answer» C. Home | |
| 46. |
Installation of wind generator, supplying over 90% of Fair Isle's |
| A. | Electricity Production |
| B. | Electricity Consumption |
| C. | Electricity Generation |
| D. | Electricity Cost |
| Answer» C. Electricity Generation | |
| 47. |
Silting up reduces lifespan of the reservior of |
| A. | Turbine |
| B. | Hydropower |
| C. | Solar Energy |
| D. | Coal Plant |
| Answer» C. Solar Energy | |
| 48. |
Which Gulf is the world's largest producing gulf in the world? |
| A. | Arabian Gulf |
| B. | Gulf of Aden |
| C. | Gulf of Alaska |
| D. | All of these |
| Answer» B. Gulf of Aden | |
| 49. |
What is the height of three gorges dam in china? |
| A. | 185 meter |
| B. | 132 meter |
| C. | 122 meter |
| D. | 54meter |
| Answer» B. 132 meter | |
| 50. |
In which island, the darwin finches and flightless cormorant are unique? |
| A. | Iceland |
| B. | Galapagos |
| C. | Arctic |
| D. | Antarctica |
| Answer» C. Arctic | |