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.

651.

The problem of surface mining is that it removes

A. oxygen from air
B. soil for plants
C. moisture from air
D. water for plants
Answer» C. moisture from air
652.

Another example of fossil fuel could be

A. trees
B. petrol
C. water
D. sun
Answer» C. water
653.

Acid precipitation includes

A. rain only
B. sleet only
C. snow only
D. all three of them
Answer» E.
654.

Natural resources that humans use to generate energy are known as

A. renewable resources
B. nonrenewable resources
C. energy resources
D. natural resources
Answer» D. natural resources
655.

In a fuel cell, the energy conversion is from

A. chemical to mechanical
B. electrical to mechanical
C. chemical to electrical
D. potential to kinetic
Answer» D. potential to kinetic
656.

Neptune was discovered in

A. 1956
B. 1846
C. 1746
D. 1476
Answer» C. 1746
657.

The rotation of earth is regarded as

A. prograde
B. retrograde
C. complex
D. intergrade
Answer» B. retrograde
658.

Jupiter is mainly made from hydrogen and

A. hydrogen
B. oxygen
C. carbon dioxide
D. helium
Answer» E.
659.

The value which indicates that object will definitely hit the Earth is

A. 3
B. 5
C. 10
D. 16
Answer» D. 16
660.

Hydrogen is liquefied on Jupiter at depth of

A. 10,000 km
B. 12,000 km
C. 14,000 km
D. 20,000 km
Answer» B. 12,000 km
661.

The forms in which fossil fuels exist are

A. solid and gas
B. solid and liquid
C. solid, liquid and gas
D. solid, gel(semi-solid), liquid and gas
Answer» D. solid, gel(semi-solid), liquid and gas
662.

The radiations of radioactive waste remain for thousands of years, so they are stored in

A. ditches
B. wells
C. reservoirs
D. isolated tanks
Answer» E.
663.

Nowadays, coal is generally used for

A. electricity production only
B. heating only
C. steam engines only
D. alloy manufacturing only
Answer» C. steam engines only
664.

Fossil fuel that is formed underground from the remains of partially decomposed plant material is known as

A. petrol
B. natural gas
C. coal
D. uranium
Answer» D. uranium
665.

Butane and propane present in the natural gas are separated for

A. outdoor activities
B. transportation
C. electricity generation
D. making alloys
Answer» B. transportation
666.

Areas with mountains have

A. small relief
B. large relief
C. variable relief
D. none
Answer» C. variable relief
667.

Towns and Housing Societies are represented in

A. green
B. blue
C. pink
D. white
Answer» D. white
668.

To form images, satellites use

A. energy from sensors
B. energy coming from Earth
C. power from sensors
D. cameras
Answer» C. power from sensors
669.

The number of features shown by topographic maps is

A. two
B. three
C. four
D. five
Answer» B. three
670.

The rate of distortion near the touching point is

A. little
B. huge
C. zero
D. variable
Answer» B. huge
671.

The most important characteristic of a gemstone is its

A. appearance
B. streak
C. shape
D. color
Answer» E.
672.

When minerals are located too deep in the ground, the method used for mining is

A. open pit mining
B. quarries
C. surface mining
D. sub-surface mining
Answer» E.
673.

Quarries are used to extract

A. precious stones
B. building stones and rocks
C. gold
D. fossil fuels
Answer» C. gold
674.

If a mineral is shiny, it has

A. metallic luster
B. submetallic luster
C. nonmetallic luster
D. polymetallic luster
Answer» B. submetallic luster
675.

A mineral that is composed of only one element is known as a

A. Single mineral
B. Single element
C. Native mineral
D. Native element
Answer» E.
676.

A current which flows parallel to shoreline is regarded as

A. surf
B. breaker
C. undertow
D. long shore
Answer» E.
677.

The surface currents directly influence the climate of land from where they

A. begin
B. flow
C. reach
D. produce
Answer» C. reach
678.

The relation of moon with tides was first discovered by

A. Pytheas
B. Zeus
C. Protheus
D. Pythagoras
Answer» B. Zeus
679.

A body of water which rushes through narrow bay during rise of high tide is called

A. tidal average
B. tidal range
C. tidal bore
D. tidal energy
Answer» D. tidal energy
680.

A group of long ocean waves which have tendency to travel a huge distance is called

A. swell
B. tsunami
C. storm urge
D. whitecap
Answer» B. tsunami
681.

Earth can be studied very easily if we

A. focus
B. concentrate
C. divide earth into parts
D. think of earth as a cube
Answer» D. think of earth as a cube
682.

If we divide 1dm into 10 equal parts, each part will be equal to

A. 1mm
B. 1cm
C. 1dm
D. 1 km
Answer» C. 1dm
683.

The study of whole universe is known as

A. Astrology
B. Astronomy
C. Geology
D. Meteorology
Answer» C. Geology
684.

The SI unit of volume is

A. cubic yards (yd3)
B. cubic feet (ft3)
C. cubic miles (mi3)
D. cubic meters (m3)
Answer» E.
685.

Other than explaining observations, a theory can also

A. predict the past
B. change the present
C. predict the future
D. introduce theorems
Answer» D. introduce theorems
686.

The spacecraft specially built to study Saturn is the

A. Cassini
B. Galileo
C. Sojourner rover
D. Express orbiter
Answer» B. Galileo
687.

The temperature -200 °C is of

A. Jupiter
B. Saturn
C. Neptune
D. Pluto
Answer» D. Pluto
688.

The spacecraft which landed on Mars includes

A. Viking 1
B. Viking 2
C. Pathfinder
D. all of them
Answer» E.
689.

The outer atmosphere of Jupiter comprises of

A. water
B. methane
C. ammonia
D. all of them
Answer» E.
690.

The event which creates shadow of one body over another is called

A. phase
B. eclipse
C. crescent
D. wane
Answer» C. crescent
691.

As the earth rotates along its axis the stars rotate along the

A. galaxies
B. axis
C. Polaris
D. earth
Answer» D. earth
692.

Lines given off by hot gases with certain wavelengths are the

A. spectrum lines
B. emission lines
C. coordinate lines
D. dark emission lines
Answer» C. coordinate lines
693.

A star spinning rapidly emitting pulses of radio and optical energy is called

A. pulstar
B. neutron star
C. proton star
D. electron star
Answer» B. neutron star
694.

Black holes do not give

A. heat
B. light
C. mass
D. size
Answer» C. mass
695.

The absolute magnitude of sun is

A. 5
B. 3
C. 7
D. 9
Answer» B. 3
696.

Liquid magma is a complex mixture containing many melted

A. rocks
B. grains
C. minerals
D. nutrients
Answer» D. nutrients
697.

When magma pushes into surrounding rocks below the Earth's surface and cools, the rock that is formed is known as

A. Intrusive Igneous Rock
B. Extrusive Igneous Rock
C. Insidious Igneous Rock
D. Sidious Igneous Rock
Answer» B. Extrusive Igneous Rock
698.

Compared to quartz sandstone, the quartzite contains

A. small grains
B. large grains
C. segmented grains
D. fragmented grains
Answer» C. segmented grains
699.

A naturally occurring mixture of minerals and organic matter is known as

A. rock
B. ore
C. core
D. pile
Answer» B. ore
700.

The size of particle in coarse-grained texture is

A. more than 2mm
B. more than 10mm
C. less than 8mm
D. less than 2mm
Answer» B. more than 10mm