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.

751.

Without deforming is a land is elevated it may be done by process of

A. tension
B. folding
C. convection
D. rebound
Answer» E.
752.

Seismograph help us to measure the striking wave's

A. time
B. density
C. thickness
D. all of them
Answer» E.
753.

The movement of rocks is

A. slow
B. fast
C. steady
D. very fast
Answer» B. fast
754.

A set of very deep cracks which is formed between two tectonic plates separating is called

A. drift zone
B. thrift zone
C. rift zone
D. volcanic zone
Answer» D. volcanic zone
755.

Hypothesis of continental drift was written in

A. 1900
B. 1800
C. 1200
D. 2000
Answer» B. 1800
756.

Natural gas is generally used in

A. heating
B. transportation
C. labs
D. power plants
Answer» B. transportation
757.

Petroleum products are generally used in

A. electricity production
B. gas production
C. scientific labs
D. transportation
Answer» E.
758.

Coal is generally removed from the Earth's crust by

A. mining
B. digging bores
C. digging shallow wells
D. shuttles
Answer» B. digging bores
759.

A process in which nuclei of a radioactive atom are split into smaller nuclei is known as

A. fusion
B. fission
C. radioactivity
D. atomization
Answer» C. radioactivity
760.

The higher the carbon content in the coal, the more

A. pollution involved
B. clean combustion
C. efficiency of coal
D. time for coal to burn
Answer» C. efficiency of coal
761.

Pyrite has golden color. If placed in air and water for long time, its color changes to

A. black or brown
B. brown only
C. black only
D. red only
Answer» B. brown only
762.

Solid, geometric forms of minerals produced by repeating units throughout the mineral are known as

A. Minerals
B. Crystals
C. Fibers
D. Esters
Answer» C. Fibers
763.

When minerals are close to the surface, the method used for mining is

A. sub-surface mining
B. underground mining
C. aerial mining
D. surface mining
Answer» E.
764.

To describe a mineral deposit that is large enough and pure enough to be mined for profit, geologists use the term

A. core
B. mine
C. ore
D. bore
Answer» D. bore
765.

Rocks are made of

A. minerals
B. cement
C. ash powder
D. concrete
Answer» B. cement
766.

Mathematical models allow us to calculate

A. different quantities
B. area only
C. speed only
D. distance and time
Answer» B. area only
767.

Physical oceanography refers to

A. physical processes in ocean
B. motion and tides
C. formation of water movement
D. oceanic life
Answer» B. motion and tides
768.

The information scientists gather by using a model help them support a/an

A. theorem
B. theory
C. implantation
D. invention
Answer» C. implantation
769.

The SI unit of area is

A. square meters
B. square inches
C. square yards
D. square feet
Answer» B. square inches
770.

For large areas such as a town, the unit of area used is

A. sq. m
B. sq. km
C. sq. ft
D. sq. yds.
Answer» C. sq. ft
771.

The process by which new rocks are formed from old rocks is known as

A. rock cycle
B. rock regeneration
C. rock rebirth
D. rock rebuilding
Answer» B. rock regeneration
772.

The types of texture of metamorphic rocks are

A. fine-grained, coarse-grained and hard-grained
B. fine-grained and coarse-grained
C. fine-grained, medium-grained and coarse-grained
D. medium-grained, coarse-grained and hard-grained
Answer» C. fine-grained, medium-grained and coarse-grained
773.

The cycle in which rock is changed by geological processes into different types of rocks is known as

A. Uplift cycle
B. Eroding cycle
C. Sediment cycle
D. Rock cycle
Answer» E.
774.

When minerals crystallize out of a solution e.g. salt from sea water, they form rocks. These rocks are known as

A. Clastic Sedimentary Rock
B. Chemical Sedimentary Rock
C. Organic Sedimentary Rock
D. Inorganic Sedimentary Rock
Answer» C. Organic Sedimentary Rock
775.

Compared to marble, the calcite grains in the limestone are

A. smaller
B. larger
C. same sized
D. fragmented
Answer» B. larger
776.

The classifications of metamorphic rocks are

A. foliated and molded
B. unfoliated and molded
C. foliated and nonfoliated
D. foliated and unfoliated
Answer» D. foliated and unfoliated
777.

Large, irregular shaped intrusive bodies are known as

A. Plutons
B. Batholith
C. Stock
D. Sill
Answer» B. Batholith
778.

The type of texture of a sedimentary rock depends on

A. its material
B. its size
C. number of grains
D. size and shape of grains
Answer» D. size and shape of grains
779.

Igneous rocks can be further divided based on their way of

A. destruction
B. formation
C. change
D. life
Answer» C. change
780.

The textures a clastic sedimentary rock can have are

A. fine-grained texture
B. medium-grained and hard-grained texture
C. coarse-grained and fine-grained texture
D. fine-grained, medium-grained and hard-grained texture
Answer» E.
781.

Because all fossil fuels are made up of dead remains of plants and animals, so they contain

A. carbon
B. tungsten
C. argon
D. cobalt
Answer» B. tungsten
782.

The solid fossil fuel that humans use the most is

A. coal
B. gold
C. silver
D. uranium
Answer» B. gold
783.

The form of coal in which the remains of plants are partially decomposed is

A. peat
B. lignite
C. anthracite
D. bituminous
Answer» B. lignite
784.

A liquid mixture of complex hydrocarbon chains/compounds is known as

A. Alcohol
B. Petroleum
C. Aldehyde
D. Ketone
Answer» C. Aldehyde
785.

When coal is burnt, it releases sulfur dioxide which combines with moisture in the air to form

A. sulfuric alkali
B. sulfuric alcohol
C. sulfuric acid
D. sulfuric poison
Answer» D. sulfuric poison
786.

One more example of renewable resource could be

A. fossil fuel
B. gasoline
C. gas
D. trees
Answer» E.
787.

Compared to oil, an advantage of using natural gas is that it

A. causes less air pollution
B. prevents respiratory problems
C. prevents headaches
D. prevents over combustion
Answer» B. prevents respiratory problems
788.

The energy released by the process of fission or fusion is known as

A. atomic energy
B. combustion energy
C. alternative energy
D. nuclear energy
Answer» E.
789.

Sulfuric acid in the air causes

A. respiratory problems
B. skin problems
C. acid precipitation
D. hair loss
Answer» D. hair loss
790.

The main component of natural gas is

A. Methane (CH4)
B. Ethane (C2H6)
C. Propane (C3H8)
D. Ethene (C2H4)
Answer» B. Ethane (C2H6)
791.

The average distance from Sun to Earth is called

A. astronomical unit
B. diameter
C. radius
D. circumference
Answer» B. diameter
792.

Triton is the moon of

A. Mars
B. Venus
C. Saturn
D. Neptune
Answer» E.
793.

The largest rings bearing planet is the

A. Jupiter
B. Saturn
C. Neptune
D. Pluto
Answer» C. Neptune
794.

When earth passes through a dusty debris there is occurrence of

A. meteor shower
B. burning of meteorite
C. bright streaks
D. building of planets
Answer» B. burning of meteorite
795.

Saturn as compare to Earth is 95 times more

A. dense
B. massive
C. big
D. small
Answer» C. big
796.

A measure of how much surface an object has is known as

A. Area
B. Volume
C. Density
D. Mass
Answer» B. Volume
797.

An example of a conceptual model is

A. Big Bang Theory
B. Graphs
C. Sketches
D. Dolls
Answer» B. Graphs
798.

The mass of an object per unit volume is known as

A. pressure
B. temperature
C. density
D. area
Answer» D. area
799.

If we divide 1m into 100 equal parts, each part will be equal to

A. 1mm
B. 1cm
C. 1dm
D. 1km
Answer» C. 1dm
800.

The word 'SI' in units stands for

A. Standard International
B. System de International
C. System Internationalla
D. Standard Integrated
Answer» C. System Internationalla