

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 | |