MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 1357 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Petroleum and natural gas are generally formed from the remains of |
| A. | birds |
| B. | sea organisms |
| C. | mammals |
| D. | plants |
| Answer» C. mammals | |
| 2. |
Energy is released from the fossil fuels when they are |
| A. | cooled |
| B. | burned |
| C. | pressurized |
| D. | sterilized |
| Answer» C. pressurized | |
| 3. |
The solid part of Earth mostly contains the |
| A. | minerals |
| B. | soil |
| C. | magma |
| D. | rocks |
| Answer» B. soil | |
| 4. |
The only by-product of fuel cell is |
| A. | acid |
| B. | water |
| C. | gas |
| D. | neutral chemicals |
| Answer» C. gas | |
| 5. |
The radioactive waste is generally treated by |
| A. | ammonia to neutralize it |
| B. | bacteria to consume it |
| C. | storage until it gets harmless |
| D. | acid to decompose it |
| Answer» D. acid to decompose it | |
| 6. |
Streams takes sorted material and deposit it in to a broad area called |
| A. | island |
| B. | plain |
| C. | coast |
| D. | outwash plain |
| Answer» E. | |
| 7. |
When a melting glacier deposit unsorted materials it is called a |
| A. | glacial drift |
| B. | till |
| C. | stratified drift |
| D. | moraines |
| Answer» C. stratified drift | |
| 8. |
Jagged ridges which are formed due to cutting of several mountains is called |
| A. | horns |
| B. | cirques |
| C. | Ar?tes |
| D. | hanging valleys |
| Answer» D. hanging valleys | |
| 9. |
The maximum steep angel which will not let material slide down slope is called |
| A. | angle of mountain |
| B. | angle of repose |
| C. | angle of slide |
| D. | complex angle |
| Answer» C. angle of slide | |
| 10. |
When a material fall over a curved surface there is appearance of |
| A. | kettle |
| B. | slumping |
| C. | sliding |
| D. | breaking |
| Answer» C. sliding | |
| 11. |
The process of increasing soil acidity is called |
| A. | acidification |
| B. | acid shock |
| C. | alkalinity |
| D. | acid precipitation |
| Answer» B. acid shock | |
| 12. |
The burning of fossils fuel lead to production of |
| A. | Sulphur dioxide |
| B. | nitrogen dioxide |
| C. | both a and b |
| D. | carbon dioxide |
| Answer» D. carbon dioxide | |
| 13. |
Pressure belts are found after every 30° of |
| A. | pressure belts |
| B. | convection cells |
| C. | latitude |
| D. | longitude |
| Answer» D. longitude | |
| 14. |
As the altitude increases the temperature of troposphere |
| A. | decreases |
| B. | increases |
| C. | remains same |
| D. | elevates |
| Answer» B. increases | |
| 15. |
The percentage of nitrogen in air is equal to |
| A. | -0.12 |
| B. | 0.21 |
| C. | 0.01 |
| D. | 0.05 |
| Answer» C. 0.01 | |
| 16. |
Acid precipitation and smog is formed with vehicle exhaust which contains |
| A. | oxygen |
| B. | nitrogen |
| C. | carbon dioxide |
| D. | ammonia |
| Answer» C. carbon dioxide | |
| 17. |
Smog levels in Los Angeles in winter are very |
| A. | high |
| B. | low |
| C. | same |
| D. | constant |
| Answer» C. same | |
| 18. |
The lowest layer of the atmosphere is called |
| A. | troposphere |
| B. | stratosphere |
| C. | mesosphere |
| D. | thermosphere |
| Answer» B. stratosphere | |
| 19. |
The middle layer of the atmosphere is called |
| A. | troposphere |
| B. | stratosphere |
| C. | mesosphere |
| D. | thermosphere |
| Answer» D. thermosphere | |
| 20. |
The earth's atmosphere is divided in to layers on the basis of |
| A. | weight |
| B. | pressure |
| C. | temperature |
| D. | energy |
| Answer» D. energy | |
| 21. |
The air which creates area of low pressure is |
| A. | colder |
| B. | less dense |
| C. | more dense |
| D. | coldest |
| Answer» D. coldest | |
| 22. |
In 1992 the hurricane named Andrew was the most destructive and winds reached up to |
| A. | 164km/h |
| B. | 264km/h |
| C. | 624km/h |
| D. | 426km/h |
| Answer» C. 624km/h | |
| 23. |
A device used to remove pollutant from car exhaust is called |
| A. | scrubber |
| B. | catalytic converter |
| C. | stacker |
| D. | hybrid |
| Answer» C. stacker | |
| 24. |
The circular patterns through which air moves is called |
| A. | pressure belts |
| B. | convection cells |
| C. | latitude |
| D. | longitude |
| Answer» C. latitude | |
| 25. |
Polar regions receiving solar energy more as compare to |
| A. | tropic of cancer |
| B. | tropic of Capricorn |
| C. | equator |
| D. | medium zone |
| Answer» D. medium zone | |
| 26. |
To represent Earth's features, topographic maps use |
| A. | solid lines |
| B. | dotted lines |
| C. | colors |
| D. | shades |
| Answer» D. shades | |
| 27. |
Waves of energy are sent from satellite of the area being observed to the |
| A. | Radar |
| B. | Ground |
| C. | Station |
| D. | Computer |
| Answer» C. Station | |
| 28. |
A computerized system that allows users to enter different types of information about an area is known as |
| A. | GPS |
| B. | GIS |
| C. | Navigator |
| D. | Map |
| Answer» C. Navigator | |
| 29. |
The compass needle points to the magnetic pole i.e. |
| A. | south pole |
| B. | north pole |
| C. | east pole |
| D. | west pole |
| Answer» C. east pole | |
| 30. |
A circle halfway between the north and south pole that divides the Earth into Northern and Southern Hemispheres is known as |
| A. | Tropic |
| B. | Chord |
| C. | Diameter |
| D. | Equator |
| Answer» E. | |
| 31. |
The SI unit of length is |
| A. | miles |
| B. | meters |
| C. | yards |
| D. | feet |
| Answer» C. yards | |
| 32. |
John Trefry is a famous oceanographer who studies the ocean floor in a mini-submarine known as |
| A. | Alvin |
| B. | Bass |
| C. | Barracuda |
| D. | Turtle |
| Answer» B. Bass | |
| 33. |
If a water in the measuring cylinder measures 60mL and it rises to 70mL when a stone is added. The volume of the stone is |
| A. | 1cm3 |
| B. | 10cm3 |
| C. | 1003 |
| D. | 1m3 |
| Answer» C. 1003 | |
| 34. |
To measure temperature, scientists use the unit |
| A. | Kelvin (K) |
| B. | Celsius ( °C) |
| C. | Fahrenheit (°F) |
| D. | Rankine (°R) |
| Answer» C. Fahrenheit (°F) | |
| 35. |
Mathematical models provide |
| A. | estimated results |
| B. | accurate results |
| C. | wrong results |
| D. | approximate results |
| Answer» B. accurate results | |
| 36. |
The major example of earthquake is The San Andreas Fault Zone which is present in |
| A. | Canada |
| B. | California |
| C. | Japan |
| D. | China |
| Answer» C. Japan | |
| 37. |
The degree of earthquake felt and its damage is called its |
| A. | intensity |
| B. | consistency |
| C. | magnitude |
| D. | power |
| Answer» B. consistency | |
| 38. |
The shock absorbers in earthquake resistant building is called |
| A. | base isolator |
| B. | mass damper |
| C. | cross braces |
| D. | flexible pipes |
| Answer» B. mass damper | |
| 39. |
Earthquake intensity is measure by help of |
| A. | seismograph |
| B. | seismogram |
| C. | Richter scale |
| D. | modified Mercalli scale |
| Answer» E. | |
| 40. |
Forecasting an earthquake based on hypothesis that sections of active faults may have strong earthquakes although there existed no record of previous earthquake is |
| A. | gap prediction |
| B. | gap hypothesis |
| C. | seismic waves |
| D. | seismic gap |
| Answer» C. seismic waves | |
| 41. |
Minerals contain maximum of |
| A. | 90 naturally occurring elements |
| B. | 92 naturally occurring elements |
| C. | 94 naturally occurring elements |
| D. | 96 naturally occurring elements |
| Answer» C. 94 naturally occurring elements | |
| 42. |
A crystal's shape is determined by the |
| A. | position of atoms |
| B. | arrangement of atoms |
| C. | vibration of atoms |
| D. | collision of atoms |
| Answer» C. vibration of atoms | |
| 43. |
To determine the hardness of a mineral, scientists use |
| A. | Perl's scale |
| B. | Richter scale |
| C. | Mohs hardness scale |
| D. | Andy's proficient hardness testing scale |
| Answer» D. Andy's proficient hardness testing scale | |
| 44. |
Quarries are generally |
| A. | open pits |
| B. | surface coal mines |
| C. | underground mines |
| D. | explosive mines |
| Answer» B. surface coal mines | |
| 45. |
It is better to identify a mineral by using its |
| A. | color |
| B. | density |
| C. | streak |
| D. | shade |
| Answer» D. shade | |
| 46. |
The water which flows on top of ocean is |
| A. | more dense |
| B. | less dense |
| C. | coldest |
| D. | hottest |
| Answer» C. coldest | |
| 47. |
Movements of ocean water which is stream like and exist below the surface is called |
| A. | surface zone |
| B. | surface current |
| C. | deep current |
| D. | medium zone |
| Answer» D. medium zone | |
| 48. |
The factor which influence density of ocean water includes |
| A. | temperature |
| B. | volume |
| C. | acidity |
| D. | alkalinity |
| Answer» B. volume | |
| 49. |
Coriolis effect cause surface currents to turn anticlockwise in |
| A. | Southern Hemisphere |
| B. | Northern Hemisphere |
| C. | Eastern Hemisphere |
| D. | Western Hemisphere |
| Answer» B. Northern Hemisphere | |
| 50. |
In polar regions the molecules of water are |
| A. | closer |
| B. | apart |
| C. | bounced |
| D. | repelled |
| Answer» B. apart | |