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.

601.

Model made up of equations and data is known as

A. Mathematical Models
B. Physical Models
C. Biological Models
D. Conceptual Models
Answer» B. Physical Models
602.

Stars, galaxies, planets, moons, asteroids and other things in space are studied by

A. astronomers
B. all scientists
C. mathematicians
D. physicians
Answer» B. all scientists
603.

The data processing of climate model is very hard due to huge amount and size of it, there are computers that help resolve this issue. These computers are known as

A. hybrid computers
B. digital computers
C. super computers
D. portable computers
Answer» D. portable computers
604.

1 tonne is equal to

A. 1000g
B. 1000kg
C. 1000mg
D. 1000Mg
Answer» C. 1000mg
605.

Scientists use models to help guide their search for

A. life on earth
B. existence of living organisms
C. other worlds
D. new information
Answer» E.
606.

West lines of longitude are found east of

A. 180° meridian
B. prime meridian
C. post meridian
D. anti meridian
Answer» B. prime meridian
607.

Remote sensing can be as basic as

A. putting cameras on camels
B. TV remotes
C. putting cameras on airplanes
D. putting sensors on satellites
Answer» D. putting sensors on satellites
608.

Many mapmakers rely on sophisticated technology such as

A. space probes
B. space shuttles
C. satellites
D. radio telescopes
Answer» D. radio telescopes
609.

The magnetic declination has been determined for difference points on

A. Earth's core
B. Earth's mantle
C. Earth's crust
D. Earth's surface
Answer» E.
610.

The elevation at sea level is

A. 0
B. 1
C. 10
D. 2
Answer» B. 1
611.

A representation of features of a physical body like Earth is known as

A. Map
B. Atlas
C. Area
D. Model
Answer» B. Atlas
612.

Earth has two different sets of poles i.e.

A. south poles and north poles
B. magnetic poles and electric poles
C. magnetic poles and geographic poles
D. north, south and east, west poles
Answer» D. north, south and east, west poles
613.

Depressions are marked with

A. long, curved lines
B. short, curved lines
C. short, straight lines
D. long, straight lines
Answer» D. long, straight lines
614.

The number of sides Earth has is

A. zero
B. one
C. two
D. three
Answer» B. one
615.

The east lines of longitude are found 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
616.

The star gets denser and hotter ultimately changing in to helium by process of

A. conduction
B. convection
C. nuclear fusion
D. nuclear fission
Answer» D. nuclear fission
617.

Dust and gases are pulled together in a sphere by help of

A. repulsion
B. attraction
C. gravity
D. pull
Answer» D. pull
618.

The distance of 32.6 light years is the brightness of

A. absolute magnitude
B. apparent magnitude
C. light year
D. parallax
Answer» B. apparent magnitude
619.

In interstellar space there is found a large cloud of dust called

A. globular cluster
B. open cluster
C. nebula
D. quasar
Answer» D. quasar
620.

The inner layers of stars are usually

A. lighter
B. denser
C. colder
D. warmer
Answer» C. colder
621.

An example of metallic mineral could be

A. oxygen
B. copper
C. carbon
D. nitrogen
Answer» C. carbon
622.

The most common classification of minerals is based on

A. physical composition
B. chemical composition
C. biological composition
D. physical properties
Answer» C. biological composition
623.

A piece of unglazed porcelain is known as

A. filter plate
B. streak plate
C. rubbing plate
D. shading plate
Answer» C. rubbing plate
624.

Minerals are divided into

A. two groups
B. three groups
C. four groups
D. five groups
Answer» B. three groups
625.

Reclamation of mined land has been required by law since

A. early-1970s
B. mid-1970s
C. late-1970s
D. early-1980s
Answer» C. late-1970s
626.

Business and state agencies use GPS for

A. mapping
B. limit setting in air or water
C. navigation
D. bearing
Answer» B. limit setting in air or water
627.

People who use map projections to move the image of Earth's curved surface onto a flat surface are known as

A. Map converters
B. Map markers
C. Mapmakers
D. Map generators
Answer» D. Map generators
628.

Mapmakers use GPS to verify the

A. boundaries
B. roads
C. towns
D. places
Answer» B. roads
629.

Equal area projections are used to map

A. small areas like a street
B. small areas like a city
C. large areas like a state
D. large areas like a continent
Answer» E.
630.

The information in GIS is entered and stored as

A. panels
B. layers
C. single panel
D. dual-panel
Answer» C. single panel
631.

Collection of water droplets which are suspended in air are called

A. wind
B. cloud
C. gases
D. sleet
Answer» C. gases
632.

The soil in temperate grassland is

A. most fertile
B. barren
C. moist
D. less fertile
Answer» B. barren
633.

The rising air in cyclone causes

A. rain
B. snow
C. sleet
D. storm
Answer» E.
634.

Dust along with smaller rocks on space is called as

A. galaxy
B. Milky Way
C. debris
D. cluster
Answer» D. cluster
635.

In shadow of Sierra Nevada there is found

A. Tundra
B. Basin desert
C. Savanna
D. Havana
Answer» C. Savanna
636.

Metamorphic rocks generally form due to

A. heat
B. pressure
C. heat and pressure
D. sediment deposition
Answer» D. sediment deposition
637.

The most important feature of a sedimentary rock is

A. kind
B. size
C. stratification
D. composition
Answer» D. composition
638.

When the magma cools, it turns into

A. metamorphic rocks
B. sedimentary rocks
C. non-igneous rocks
D. igneous rocks
Answer» E.
639.

When pressure builds up over the rocks buried under Earth's crust, these rocks collide with one another. This collision causes

A. Regional metamorphism
B. Critical metamorphism
C. Contact metamorphism
D. Parallel metamorphism
Answer» B. Critical metamorphism
640.

The rock and mineral fragments formed due to weathering are known as

A. metamorphs
B. ignies
C. magmnians
D. sediments
Answer» E.
641.

It is easier to show details on

A. maps
B. globes
C. conceptual models
D. mathematical models
Answer» B. globes
642.

Together, the prime meridian and the 180° meridian split the Earth into

A. Northern and Southern Hemisphere
B. Eastern and Western Hemisphere
C. Upper and Lower Semi-spheres
D. Right and Left Semi-spheres
Answer» C. Upper and Lower Semi-spheres
643.

Eratosthenes' calculations were wrong by only

A. 6250km
B. 6250ft
C. 6250mi
D. 6250m
Answer» B. 6250ft
644.

Prime meridian passes through

A. Greenwich, England
B. Birmingham, England
C. Barcelona, Spain
D. Cairo, Egypt
Answer» B. Birmingham, England
645.

In Mercator Projection, the distance between the lines of latitude is

A. equal
B. variable
C. more in northern hemisphere
D. more in southern hemisphere
Answer» C. more in northern hemisphere
646.

The period of rotation as compare to period of revolution of moon is

A. same
B. different
C. greater
D. smaller
Answer» B. different
647.

A spherical region which encloses solar system is called

A. Oort cloud
B. Kuiper
C. stratosphere
D. ozone
Answer» B. Kuiper
648.

The diameter of Earth is equal to

A. 12,756 km
B. 4879km
C. 6794km
D. 142,984km
Answer» B. 4879km
649.

Pluto is covered by mainly frozen

A. water
B. carbon dioxide
C. hydrogen
D. helium
Answer» D. helium
650.

The number of missions sent to Jupiter by NASA is

A. 3
B. 4
C. 5
D. 6
Answer» D. 6