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.

701.

The movement of water to surface which is not only cold but also is nutrient rich is called

A. upwelling
B. surface current
C. nutrient water
D. surface water
Answer» B. surface current
702.

The parts of earth which are directly expose to moon have pull which is

A. weakest
B. strongest
C. lowest
D. negligible
Answer» C. lowest
703.

The periodic change towards unusual colder side is called

A. LA Nina
B. El Nino
C. both a and b
D. upwelling
Answer» B. El Nino
704.

As the depth increases the wave energy

A. increases
B. decreases
C. constant
D. simultaneous
Answer» C. constant
705.

El Nino may cause

A. mudslides
B. floods
C. drought
D. all of them
Answer» E.
706.

Most of the carbon in the fossil fuels is in the form of

A. carbon dioxide (CO2)
B. carbon monoxide (CO)
C. carbon-hydrogen (CxHy)
D. carbon nitrite (CN)
Answer» D. carbon nitrite (CN)
707.

One advantage of fuel cell is that it is

A. radioactive
B. pollution free
C. neutral
D. unreactive
Answer» C. neutral
708.

The product of the reactants i.e. hydrogen and oxygen, is

A. water
B. hydrogen peroxide
C. hydroxyl-
D. trihydrogen oxide
Answer» B. hydrogen peroxide
709.

The energy we use to heat our homes, drive our cars and run our computers comes from

A. Artificial Resources
B. Natural Resources
C. Renewable Resources
D. Nonrenewable Resources
Answer» C. Renewable Resources
710.

Fusion naturally occurs on

A. Moon
B. Sun
C. Sirius
D. Earth
Answer» C. Sirius
711.

A current which is subsurface along the sea and which is responsible for pulling objects to sea is called

A. surf
B. breaker
C. undertow
D. long shore
Answer» D. long shore
712.

Neap tides occur when the earth, sun and moon forms an angle of

A. 60°
B. 90°
C. 20°
D. 180°
Answer» C. 20°
713.

The periodic rise and fall of water level and water bodies is regarded as

A. wave
B. surf
C. tide
D. lure
Answer» D. lure
714.

An increased tide range twice a month is the

A. tidal average
B. tidal range
C. neap tide
D. spring tide
Answer» E.
715.

A giant ocean wave due to earthquake, landslide or volcanic eruption is called

A. swell
B. tsunami
C. storm urge
D. whitecap
Answer» C. storm urge
716.

Change in the shape of a rock caused by a forced placed on it is known as

A. deposition
B. deformation
C. erosion
D. variation
Answer» C. erosion
717.

When magma moves through the crust, it heats up the

A. sedimentary rocks
B. surrounding rocks
C. extrusive rocks
D. exidious rocks
Answer» C. extrusive rocks
718.

When magma cools and solidifies, the rocks formed are

A. igneous
B. metamorphic
C. sedimentary
D. metamorphic and sedimentary
Answer» B. metamorphic
719.

Some minerals are changed into other minerals due to

A. high temperatures
B. high pressure
C. low temperature and high pressure
D. high temperature and low pressure
Answer» B. high pressure
720.

Lava also flows from cracks on Earth's surface known as

A. Tectons
B. Fitures
C. Fissures
D. Intrusions
Answer» D. Intrusions
721.

Intensity values are mostly seems to be higher near

A. focus
B. epicenter
C. center
D. boundary
Answer» C. center
722.

The starting point of earth's surface of an earthquake is called

A. focus
B. seismograph
C. seismogram
D. epicenter
Answer» E.
723.

Base isolators are made up of

A. rubber
B. steel
C. lead
D. all of them
Answer» E.
724.

The measure of earthquake's strength is the

A. intensity
B. consistency
C. magnitude
D. power
Answer» D. power
725.

The weight places in roof of an earthquake resistant building is called

A. base isolator
B. mass damper
C. cross braces
D. flexible pipes
Answer» C. cross braces
726.

A limited heavy storm which contains rain, winds and thunder is called

A. lightning
B. thunder
C. thunderstorm
D. hurricane
Answer» D. hurricane
727.

According to some scientist a rock smashed 65 million years which was responsible for extinct of

A. pandas
B. sloth
C. dinosaur
D. leech
Answer» D. leech
728.

Hurricane receive energy from the

A. wind
B. condensed water
C. pressure
D. density
Answer» C. pressure
729.

Conifers includes

A. fir
B. deodar
C. shesham
D. Saur
Answer» B. deodar
730.

Average yearly precipitation in Savanna is

A. 19 cm
B. 25cm
C. 200cm
D. 100cm
Answer» E.
731.

Silver is a mineral that is composed of

A. only on atom
B. two atoms
C. only one element
D. two elements
Answer» D. two elements
732.

The two common elements in Earth's crust that make up silicate minerals are

A. Phosphorus and Silicon
B. Silicon and Nitrogen
C. Silicon and Oxygen
D. Silicon and Carbon
Answer» D. Silicon and Carbon
733.

Minerals that contain a combination of silicon and oxygen are known as

A. Silicate minerals
B. Nonsilicate minerals
C. Organic minerals
D. Inorganic minerals
Answer» B. Nonsilicate minerals
734.

Density is generally measured in

A. g/m3
B. kg/cm3
C. lbs/m3
D. g/cm3
Answer» E.
735.

Gold is a mineral that is composed of

A. only one elements
B. only one atom
C. only one molecule
D. only one compound
Answer» B. only one atom
736.

The ocean stabilizes weather by holding and absorbing

A. thermal energy
B. water
C. salt
D. lava
Answer» B. water
737.

Seamount is a

A. submerged mountain
B. 100m high
C. volcanic origin
D. all of them
Answer» E.
738.

A steep inclined area located between continental rise and continental shelf is called

A. trenches
B. continental slope
C. rift valley
D. abyssal plain
Answer» C. rift valley
739.

With an increase in depth the temperature of ocean water

A. increases
B. decreases
C. remains same
D. constant
Answer» C. remains same
740.

A long mountain chain which lies on the floor of ocean is the

A. mid-ocean ridge
B. rift valley
C. seamount
D. ocean trench
Answer» B. rift valley
741.

A small body containing ice, rock or comic dust revolving around sun giving off gas is called

A. meteorite
B. meteors
C. comet
D. star
Answer» D. star
742.

The Volcanic systems on Mars are in quantity of

A. 2
B. 1
C. 3
D. 4
Answer» B. 1
743.

If a planet has retrograde rotation its direction is

A. clockwise
B. anticlockwise
C. vertical
D. horizontal
Answer» B. anticlockwise
744.

The name of moon on Earth is

A. Luna
B. Ganymede
C. Calistro
D. Charon
Answer» B. Ganymede
745.

The mystery of lunar origin was resolved when the samples were brought by mission

A. Apollo
B. NASA
C. Viking
D. Impossible
Answer» B. NASA
746.

The process by which sediment is removed by its source is known as

A. evaporation
B. logging
C. salivation
D. erosion
Answer» E.
747.

Extrusive Igneous Rocks contain

A. small crystals
B. no crystals
C. large crystals
D. small or no crystals
Answer» E.
748.

The skeletons of corals settle on the ocean bed, after which they get cemented to form

A. clastic limestone
B. chemical limestone
C. inorganic limestone
D. fossiliferous limestone
Answer» E.
749.

When exposed to heat, the clay minerals turn into

A. lite minerals
B. nite minerals
C. mica minerals
D. biotite minerals
Answer» D. biotite minerals
750.

The skeletons of coral are made up of

A. Sodium Carbonate (Na2CO3)
B. Calcium Carbonate (CaCO3)
C. Potassium Carbonate (K2CO3)
D. Zinc Carbonate (ZnCO3)
Answer» C. Potassium Carbonate (K2CO3)