Explore topic-wise MCQs in Science.

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.

1051.

A resource that forms at a much slower rate at which it is consumed is known as

A. Artificial Resources
B. Natural Resources
C. Renewable Resources
D. Nonrenewable Resources
Answer» E.
1052.

The joining of two or more nuclei to form a large nucleus is known as

A. Fission
B. Fusion
C. Radioactivity
D. Hydroxylation
Answer» C. Radioactivity
1053.

Fossil fuels exist in

A. one form
B. two forms
C. three forms
D. four forms
Answer» D. four forms
1054.

Pressure and heat under the sediment turns peat into

A. ignite
B. lignite
C. anthracite
D. bituminous
Answer» C. anthracite
1055.

The process in which gases absorb thermal energy and radiate it towards earth is called

A. greenhouse effect
B. Coriolis effect
C. global warming
D. law of effect
Answer» B. Coriolis effect
1056.

Solar energy is radiated by clouds and earth as

A. long wave energy
B. short wave energy
C. medial wave energy
D. extreme wave energy
Answer» B. short wave energy
1057.

A process which helps to reduce indoor air pollution is called

A. acidification
B. acid shock
C. ventilation
D. exhaustion
Answer» D. exhaustion
1058.

The simmering lights in polar regions are called

A. stars
B. asteroids
C. meteors
D. auroras
Answer» E.
1059.

A CFC molecule has power to remain active in stratosphere up to

A. 120 years
B. 60 years
C. 45 years
D. 210 years
Answer» B. 60 years
1060.

Clean Air pact was passed in US by congress in

A. 1970
B. 2013
C. 2001
D. 1998
Answer» B. 2013
1061.

Car now a days use hybrid technology which use gasoline and

A. hydropower
B. thermal power
C. electric power
D. gasohol
Answer» D. gasohol
1062.

Closer to earth's surface the air is heated by

A. conduction
B. convection
C. radiation
D. thermal conduction
Answer» E.
1063.

The force measurement by which air molecules strike a surface is called

A. air pressure
B. mass
C. weight
D. power
Answer» B. mass
1064.

The air movement with respect to differences in air pressures is termed as

A. wave
B. atmosphere
C. energy
D. wind
Answer» E.
1065.

The equator represents

A. 0° latitude
B. 90° latitude
C. 0° longitude
D. 90° longitude
Answer» B. 90° latitude
1066.

The direction of magnetic declination is referenced by

A. east of true north
B. west of true north
C. south of true north
D. east or west of true north
Answer» E.
1067.

The height of an object above sea level is known as

A. Elevation
B. Altitude
C. Aptitude
D. Depth
Answer» B. Altitude
1068.

Remote sensors gather data about

A. energy coming from Earth
B. Earth's surface
C. images being captured of Earth's surface
D. Earth's core
Answer» B. Earth's surface
1069.

The Greek mathematician calculated the circumference of earth by using math and observation of the

A. moon
B. sun
C. ship
D. horizon
Answer» C. ship
1070.

A narrow belt of strong winds which move in the upper troposphere is called

A. jet stream
B. westerlies
C. trade winds
D. polar easterlies
Answer» B. westerlies
1071.

There is a balance between incoming energy from sun and outgoing energy from earth, it is known as

A. energy balance
B. radiation balance
C. global warming
D. law of effect
Answer» C. global warming
1072.

The word sphere means

A. ball
B. layer
C. heat
D. turning
Answer» B. layer
1073.

Thermal energy is transferred from

A. warm to cold
B. cold to warm
C. cold to cold
D. warm to warm
Answer» B. cold to warm
1074.

Westerlies when taken to US created

A. rain
B. floods
C. warmth
D. hotter region
Answer» B. floods
1075.

A darker, heavier contour line that is usually every fifth line is known as

A. relief contour
B. main contour
C. heavy contour
D. index contour
Answer» E.
1076.

The point of contact of azimuthal plane is usually the

A. tropic
B. equator
C. axis
D. pole
Answer» E.
1077.

Contour lines that cross a valley or stream are

A. dotted
B. solid
C. V-shaped
D. U-shaped
Answer» D. U-shaped
1078.

Houses and buildings have street addresses, but an island doesn't. To find the location of an island we have to use

A. latitude
B. longitude
C. latitude and longitude
D. accelerometer
Answer» D. accelerometer
1079.

The difference between the highest and the lowest points of the area being mapped is known as

A. Relief
B. Index
C. Elevation channel
D. Altitude
Answer» B. Index
1080.

When clay minerals change into mica minerals, the shale becomes foliated metamorphic rock known as

A. Phyletic
B. Schist
C. Gneiss
D. Slate
Answer» E.
1081.

Sedimentary rocks are formed without

A. heat
B. pressure
C. heat and pressure both
D. cooling process
Answer» D. cooling process
1082.

Lava does not always flow from

A. mountains
B. fractures on Earth's surface
C. volcanoes
D. hills
Answer» D. hills
1083.

Minerals loose their stability due to

A. change in weather only
B. change in temperature only
C. change in pressure only
D. change in heat and pressure
Answer» E.
1084.

Size, shape and the position of grains that make up a rock determine its

A. texture
B. composition
C. material
D. density
Answer» B. composition
1085.

When lava erupts from a volcano, it forms

A. magmanian flow
B. lava flow
C. extrusive flow
D. intrusive flow
Answer» C. extrusive flow
1086.

When magma erupts onto Earth's surface and cools, the rock formed is known as

A. Intrusive Igneous Rock
B. Extrusive Igneous Rock
C. Insidious Igneous Rock
D. Sidious Igneous Rock
Answer» C. Insidious Igneous Rock
1087.

The number of textures of metamorphic rocks is

A. two
B. three
C. four
D. six
Answer» B. three
1088.

Limestone is generally formed from fossil fuels or remains of animals and plants, so limestone fall in the class of

A. Clastic Sedimentary Rock
B. Chemical Sedimentary Rock
C. Organic Sedimentary Rock
D. Inorganic Sedimentary Rock
Answer» D. Inorganic Sedimentary Rock
1089.

Metamorphism occurs due to change in

A. rocks
B. pressure
C. heat
D. heat and pressure
Answer» E.
1090.

Tree which do keep its leave round the year is the

A. coniferous
B. tropical
C. deciduous
D. evergreen
Answer» E.
1091.

Radar is used to find

A. location
B. movement
C. precipitation
D. all of them
Answer» E.
1092.

The change in state of water from gas to liquid is called

A. condensation
B. sublimation
C. evaporation
D. precipitation
Answer» B. sublimation
1093.

Rocky, nutrient poor soil are characteristics of

A. chaparral
B. temperate grassland
C. temperate forest
D. tropical
Answer» B. temperate grassland
1094.

The biome which has daylight of 24 hours is the

A. Tundra
B. Basin desert
C. Savanna
D. Havana
Answer» B. Basin desert
1095.

Almost 5% of energy from sun by Earth's surface is

A. absorbed
B. transferred
C. scattered
D. reflected
Answer» E.
1096.

Rapid change in acidity of any water body is called

A. acidification
B. acid shock
C. alkalinity
D. acid precipitation
Answer» C. alkalinity
1097.

Ozone layer is found in the

A. troposphere
B. stratosphere
C. mesosphere
D. thermosphere
Answer» C. mesosphere
1098.

Most common types of divergent boundary is the

A. sea floor
B. mid ocean ridges
C. pacific boundary
D. continental
Answer» C. pacific boundary
1099.

When two tectonic plates moves away separating from each other, gap is filled by

A. crust
B. water
C. magma
D. lava
Answer» D. lava
1100.

In crust the vertical movements are the

A. uplift
B. subsidence
C. both a and b
D. mountain building
Answer» D. mountain building