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.

1301.

Sedimentary rocks are classified by their

A. shape
B. texture
C. size and color
D. way of formation
Answer» E.
1302.

The formation of sedimentary rock can be identified by its

A. shape
B. texture
C. grains
D. features
Answer» E.
1303.

Mass of large objects such as airplane, the unit of mass used is

A. mega grams
B. kilograms
C. tonnes
D. pounds
Answer» D. pounds
1304.

By studying rocks, minerals and soil, geochemists can determine their

A. economic value
B. scientific value
C. pH value
D. physical properties
Answer» B. scientific value
1305.

1mm is equal to

A. 1x10-2m
B. 1x10-3cm
C. 1x10-2dm
D. 1x10-4 km
Answer» D. 1x10-4 km
1306.

One centimeter is equal to

A. 1x10-1m
B. 1x10-2m
C. 1x102m
D. 1x103m
Answer» C. 1x102m
1307.

Another example of a physical model is

A. big bang theory
B. sketch
C. drawing
D. car
Answer» E.
1308.

Tidal energy is

A. filthy
B. non-renewable
C. expensive
D. clean
Answer» E.
1309.

Fish harvested each year is equal to

A. 75 million tons
B. 25 million tons
C. 57million tons
D. 45million tons
Answer» B. 25 million tons
1310.

Plant and animal like organisms which are found in ocean are called

A. plankton
B. nekton
C. Benthos
D. all of them
Answer» B. nekton
1311.

Whales and dolphins are included in group called

A. plankton
B. nekton
C. Benthos
D. all of them
Answer» C. Benthos
1312.

Robotic vessel which is used by pilot to study floor of ocean is the

A. Jason II
B. Jason I
C. Deep flight
D. Medea
Answer» B. Jason I
1313.

The apparent change which can be observe in one celestial body and observed by another celestial body is the

A. phase
B. eclipse
C. crescent
D. wane
Answer» B. eclipse
1314.

When the disk of moon covers the sun completely it is called

A. solar eclipse
B. lunar eclipse
C. annular eclipse
D. total solar eclipse
Answer» E.
1315.

The stony meteorite is composed of

A. rocky material
B. iron
C. nickel
D. all of them
Answer» B. iron
1316.

A planet which highly resembles Earth is the

A. Jupiter
B. Mars
C. Saturn
D. Venus
Answer» E.
1317.

A rocky object which is very small and revolves around sun is the

A. meteorite
B. asteroid
C. meteoroid
D. meteor
Answer» C. meteoroid
1318.

The spacecraft sent to Jupiter in 1995 was

A. Galileo
B. Sojourner rover
C. Express orbiter
D. Apollo
Answer» B. Sojourner rover
1319.

The number of planets in inner solar system is

A. 5
B. 4
C. 3
D. 9
Answer» C. 3
1320.

The central part of a comet is called its

A. center
B. nucleus
C. zenith
D. nadir
Answer» C. zenith
1321.

Charon is covered by frozen

A. water
B. carbon dioxide
C. hydrogen
D. helium
Answer» B. carbon dioxide
1322.

When the moon comes between Earth and sun is called

A. solar eclipse
B. lunar eclipse
C. annular eclipse
D. total solar eclipse
Answer» B. lunar eclipse
1323.

The path which is followed by a body while rotating around another body is called

A. way
B. trail
C. alley
D. orbit
Answer» E.
1324.

Solar nebula has formed solar system it is composed of gas and

A. debris
B. stars
C. gases
D. dust
Answer» E.
1325.

The process by which plants absorbs sunlight and produces their food is called

A. respiration
B. photosynthesis
C. transpiration
D. translocation
Answer» C. transpiration
1326.

After a collision the largest bodies formed are called

A. planetesimals
B. corona
C. convective
D. star
Answer» B. corona
1327.

The earliest evidence of life on earth are the presence of

A. dinosaur
B. dolphin
C. stromatolites
D. stalagmites
Answer» D. stalagmites
1328.

Space-age spinoffs includes

A. smoke detectors
B. invisible braces
C. medical laser
D. all of them
Answer» E.
1329.

A dog sent in first flight to space was named

A. Laika
B. Jupiter
C. Lucky
D. Luna
Answer» B. Jupiter
1330.

The rocket with height 111m and payload 129,300kg was

A. Mercury-Atlas
B. Delta
C. Titan IV
D. Saturn V
Answer» E.
1331.

The first artificial satellite sent in space was

A. Sputnik 1
B. Sputnik 2
C. Explorer 1
D. Explorer 2
Answer» B. Sputnik 2
1332.

A space probe made with ion propulsion system was

A. stardust
B. Clementine
C. Venera
D. Deep Space 1
Answer» E.
1333.

Planets are moving towards each other was noticed by

A. Copernicus
B. Gagarian
C. Edwin
D. Isaac
Answer» B. Gagarian
1334.

The rays which are invisible do not includes

A. x-rays
B. gamma rays
C. ultraviolet rays
D. blue rays
Answer» E.
1335.

Earth takes to complete its orbit which is

A. 11 years
B. 365 days
C. 24 hours
D. 100 years
Answer» C. 24 hours
1336.

According to Ptolemaic theory the object which is in the center of universe is the

A. sun
B. moon
C. earth
D. star
Answer» D. star
1337.

A time period in which earth completes a day is called its

A. orbit
B. axis
C. solar system
D. Milky Way
Answer» C. solar system
1338.

An explosion which leads to gigantic explosion throwing star's outer layers are thrown out is called

A. supernova
B. black hole
C. double ring
D. massive explosion
Answer» B. black hole
1339.

Omega Centauri has stars from 5 million to

A. 50 million
B. 10 million
C. 15million
D. 7 million
Answer» C. 15million
1340.

After complete utilization of hydrogen the red giant becomes

A. hot
B. cold
C. bright
D. dull
Answer» C. bright
1341.

The brightness of a star which can be seen from earth is called

A. absolute magnitude
B. apparent magnitude
C. light year
D. parallax
Answer» C. light year
1342.

An object which produces high energy and is very distant is the

A. globular cluster
B. open cluster
C. nebula
D. quasar
Answer» E.
1343.

The signals which were sent from satellite to GPS are

A. thermal signals
B. wave signal
C. radio signal
D. audio signal
Answer» D. audio signal
1344.

The separation of two tectonic plates is regarded as

A. convergent
B. divergent
C. transform
D. sliding
Answer» C. transform
1345.

If rocks are pulled apart due to tension there is formation of

A. normal fault
B. reverse fault
C. strike-slip fault
D. arbitrary fault
Answer» B. reverse fault
1346.

The San Andreas Fault is example of

A. convergent
B. divergent
C. transform
D. sliding
Answer» D. sliding
1347.

Major tectonic plates includes

A. Pacific plate
B. Eurasian plate
C. Nazca plate
D. all of them
Answer» E.
1348.

The gradual increase in the temperature of world is regarded as

A. greenhouse effect
B. ice age
C. interglacial periods
D. global warming
Answer» E.
1349.

The prediction of weather over the next 3 to 5 working days is called

A. weather forecast
B. climate forecast
C. weather update
D. warning of weather
Answer» B. climate forecast
1350.

The temperature of lower stratosphere is equal to

A. -12
B. -60
C. 24
D. -93
Answer» C. 24