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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.
1001. |
The process of metamorphism in which the size or composition of mineral changes is known as |
A. | crystallization |
B. | decrystallization |
C. | recrystallization |
D. | precrystallization |
Answer» D. precrystallization | |
1002. |
In ocean, the lava erupts from |
A. | volcanoes |
B. | ocean beds |
C. | fissures in ocean beds |
D. | small dikes |
Answer» D. small dikes | |
1003. |
When Phyllite is exposed to heat and pressure it changes into |
A. | Garnet |
B. | Schist |
C. | Gneiss |
D. | Slate |
Answer» C. Gneiss | |
1004. |
Models are often used to explain |
A. | nature |
B. | theories |
C. | physics |
D. | universe |
Answer» C. physics | |
1005. |
All SI units are based on a number i.e. |
A. | 1 |
B. | 0 |
C. | 10 |
D. | 2 |
Answer» D. 2 | |
1006. |
The source due to which astronomers can see through optical telescopes is |
A. | sound |
B. | laser |
C. | light |
D. | heat |
Answer» D. heat | |
1007. |
An advantage of using international system of units is that the scientists can share their |
A. | thoughts |
B. | ideas |
C. | observations and theories |
D. | observations and results |
Answer» E. | |
1008. |
Geochemists also study the distribution and effect of chemicals added to the environment by |
A. | human activity |
B. | industries and machinery |
C. | plants and aquatic life |
D. | dead decaying organisms |
Answer» B. industries and machinery | |
1009. |
A pattern, plan, representation or description designed to show the structure is known as a |
A. | sample |
B. | model |
C. | design |
D. | structure |
Answer» C. design | |
1010. |
1mL (1 milliliter) is equal to |
A. | 1x10-2L |
B. | 1x10-3L |
C. | 1x102L |
D. | 1x103L |
Answer» C. 1x102L | |
1011. |
To describe the length of a microscopic object, we use |
A. | meters |
B. | millimeters |
C. | centimeters |
D. | micrometers |
Answer» E. | |
1012. |
Imagine that you are a scientist and you have to put fossils in a crate to transport them to the museum. How many fossils will fit the crate? The answer depends on the |
A. | volume |
B. | mass |
C. | area |
D. | density |
Answer» B. mass | |
1013. |
People who make maps by the aid of satellites and computer mapping systems are known as |
A. | Geographers |
B. | Geologists |
C. | Cartographers |
D. | Aerial mappers |
Answer» D. Aerial mappers | |
1014. |
The surface on which rocks usually break and slide over each other is called a |
A. | fold |
B. | fault |
C. | tension |
D. | stress |
Answer» C. tension | |
1015. |
For almost 180 Million years ago Pangaea gradually broke in to |
A. | Laurasia |
B. | Gondwana |
C. | both a and b |
D. | Arabian Sea |
Answer» D. Arabian Sea | |
1016. |
Where there is collision among two tectonic plates the boundary is called |
A. | convergent |
B. | divergent |
C. | transform |
D. | sliding |
Answer» B. divergent | |
1017. |
The change in shape of rock is done by process |
A. | deformation |
B. | bending |
C. | sliding |
D. | renewing |
Answer» B. bending | |
1018. |
The highest mountain ranges which are in this world are made up of |
A. | folded mountains |
B. | fault block mountains |
C. | volcanic mountains |
D. | all of them |
Answer» B. fault block mountains | |
1019. |
Scientists who study earthquakes are known as |
A. | seismologist |
B. | cardiologist |
C. | archeologist |
D. | anthropologist |
Answer» B. cardiologist | |
1020. |
Drift hypothesis suggests continents were once |
A. | single landmass |
B. | puzzles of landmass |
C. | separate landmass |
D. | moving landmass |
Answer» B. puzzles of landmass | |
1021. |
If both ends of fold are horizontal of a rock layer then it is |
A. | anticline |
B. | syncline |
C. | monocline |
D. | decline |
Answer» D. decline | |
1022. |
AT mid-ocean ridges the molten rock consists of |
A. | iron |
B. | calcium |
C. | phosphorus |
D. | tin |
Answer» B. calcium | |
1023. |
Rocks which take more space are generally the ones which are |
A. | cooler |
B. | hotter |
C. | mild |
D. | brighter |
Answer» C. mild | |
1024. |
South American plate's thinnest part is the |
A. | oceanic crust |
B. | continental crust |
C. | mid-Atlantic Ocean |
D. | upper part of mantle |
Answer» D. upper part of mantle | |
1025. |
Severe storm which is formed over tropical oceans is called |
A. | hurricane |
B. | tornado |
C. | spiral |
D. | twister |
Answer» B. tornado | |
1026. |
Winds which blow from one direction in a given time are called |
A. | strong winds |
B. | south winds |
C. | Monsoon winds |
D. | prevailing winds |
Answer» E. | |
1027. |
Maritime polar over north pacific is |
A. | hot |
B. | wet |
C. | dry |
D. | warm |
Answer» C. dry | |
1028. |
The area with a lower pressure as compare to surrounding areas is called |
A. | anticyclones |
B. | cyclones |
C. | weather |
D. | climate |
Answer» C. weather | |
1029. |
Speed and direction may be measured with help of a |
A. | weather balloon |
B. | thermometer |
C. | barometer |
D. | anemometer |
Answer» B. thermometer | |
1030. |
When there occurs rainfall through freezing air it is called |
A. | sleet |
B. | rain |
C. | snow |
D. | fog |
Answer» B. rain | |
1031. |
A long period which includes covering of earth's surface with ice sheets is called |
A. | glacial period |
B. | ice age |
C. | both a and b |
D. | global warming |
Answer» D. global warming | |
1032. |
The dividing area of two air masses with respect to differences in densities and temperature is the |
A. | borderline |
B. | shoreline |
C. | front |
D. | frontline |
Answer» D. frontline | |
1033. |
Ice possesses alternative cold and warm periods, this was hypothesized in |
A. | Milankovitch theory |
B. | Bing bang theory |
C. | Ptolemaic theory |
D. | Mar well's theory |
Answer» B. Bing bang theory | |
1034. |
The cycle of sun is equal to |
A. | 11 years |
B. | 365 days |
C. | 24 hours |
D. | 100 years |
Answer» B. 365 days | |
1035. |
A front which is formed when a warm air mass is stuck between two colder ones is called |
A. | cold fronts |
B. | warm fronts |
C. | occluded fronts |
D. | stationary fronts |
Answer» D. stationary fronts | |
1036. |
The climate of a particular small area is called |
A. | macroclimate |
B. | microclimate |
C. | city climate |
D. | weather |
Answer» C. city climate | |
1037. |
Clouds with name nimbo are expected to produce |
A. | rain |
B. | snow |
C. | sleet |
D. | precipitation |
Answer» E. | |
1038. |
Fronts which cannot move quickly and are responsible for thunderstorm and rain are the |
A. | cold fronts |
B. | warm fronts |
C. | occluded fronts |
D. | stationary fronts |
Answer» B. warm fronts | |
1039. |
A wall of water which build up above ocean due to strong wind and low pressure is called |
A. | storm |
B. | storm surge |
C. | stormy wind |
D. | severe wind |
Answer» C. stormy wind | |
1040. |
The west lines of longitude lie between the angles |
A. | 0° and 180° longitude |
B. | 90° and 180° longitude |
C. | 180° and 360° longitude |
D. | 0° and 360° longitude |
Answer» B. 90° and 180° longitude | |
1041. |
Globes and maps are examples of |
A. | models |
B. | toys |
C. | objects |
D. | projects |
Answer» B. toys | |
1042. |
Contour lines far away show |
A. | no slope |
B. | gentle slope |
C. | steep slope |
D. | variable slope |
Answer» C. steep slope | |
1043. |
The true north is the pole that sets under the category of |
A. | magnetic poles |
B. | electric poles |
C. | geographic poles |
D. | undefined poles |
Answer» D. undefined poles | |
1044. |
Large maps like maps showing countries or continents would have |
A. | less distortion |
B. | more distortion |
C. | zero distortion |
D. | distortion depending on map scale |
Answer» C. zero distortion | |
1045. |
Compared to combustion engines, the fuel cells are |
A. | less efficient |
B. | moderately efficient |
C. | more efficient |
D. | more violent |
Answer» D. more violent | |
1046. |
Photochemical haze that forms when sunlight acts on industrial pollutants or burning fuels is known as |
A. | fog |
B. | mist |
C. | smog |
D. | smoke |
Answer» D. smoke | |
1047. |
To preserve the resources for the future, we have to |
A. | look for more |
B. | save them |
C. | consume more of them |
D. | use them more frequently |
Answer» C. consume more of them | |
1048. |
The temperature required by fusion can be withstood by |
A. | uranium |
B. | titanium |
C. | plutonium |
D. | no material |
Answer» E. | |
1049. |
Crude oil is so valuable that it is often called |
A. | white gold |
B. | platinum |
C. | black gold |
D. | black pearl |
Answer» D. black pearl | |
1050. |
The conversion of energy takes place by reacting two elements i.e. |
A. | hydrogen and oxygen |
B. | oxygen and nitrogen |
C. | hydrogen and nitrogen |
D. | argon and radon |
Answer» B. oxygen and nitrogen | |