General Science CUET General Test MCQs

Question: Myopia is a disease connected with
a) lungs
b) brain
c) ears
d) eyes

Answer: d

Question: The quantity ‘weight’ is measured by
a) beam balance
b) common balance
c) spring balance
d) balance wheel

Answer: c

Question: The weight of a body acts through the centre of
a) gravity
b) mass
c) both (a) and (b)
d) buoyancy

Answer: a

Question: The splitting of white light into its components is due to
a) transmission
b) dispersion
c) reflection
d) refraction

Answer: b

Question: A small drop of oil spreads over water because
a) oil has a higher viscosity
b) water has a higher viscosity
c) oil has a higher surface tension
d) water has a higher surface tension

Answer: d

Question: An object which absorbs all colours and reflects none appears
a) blue
b) black
c) white
d) grey

Answer: b

Question: Magnetic keepers are used to protect magnets from
a) self-demagnetization
b) demagnetization due to heating
c) Earth’s magnetic field
d) effect of other magnets

Answer: a

Question: The principle due to which circular patches of light is seen under a tree during day time, is similar to that of image formation by a
a) concave lens
b) pinhole
c) photographic camera
d) convex lens

Answer: b

Question: A wheel-barrow is an example of
a) class III lever
b) pulley system
c) class I lever
d) class II lever

Answer: d

Question: In which medium, velocity of sound is maximum?
a) Metals
b) Air
c) Water
d) Polymer

Answer: a

Question: In addition to hydrogen, the other abundant element present on Sun’s surface is
a) Helium
b) Neon
c) Argon
d) Oxygen

Answer: a

Question: Decibel is a term connected with
a) air
b) water
c) sound
d) soil

Answer: c

Question: Radiations which is not emitted during radioactivity is
a) g-rays
b) cathode rays
c) a-rays
d) b-rays

Answer: b

Question: Which type of mirror is used in the head lights of vehicles?
a) Plane mirror
b) Concave mirror
c) Convex mirror
d) Parabolic mirror

Answer: b

Question: Combustion of a candle is a/an
a) photochemical reaction
b) physical change
c) endothermic reaction
d) exothermic reaction

Answer: d

Question: The height of a geo-stationary satellite from the Earth’s surface is approximately
a) 36000 km
b) 42000 km
c) 30000 km
d) None of these

Answer: a

Question: The angle in which a cricket ball should be hit to travel maximum horizontal distance is
a) 60° with horizontal
b) 45° with horizontal
c) 30° with horizontal
d) 15° with horizontal

Answer: b

Question: A nuclear reaction must be balanced in terms of
a) mess and volume
b) energy and weight
c) number of electrons
d) mass and energy

Answer: d

Question: For taking the clinical photograph of bones, we ues
a) UV rays
b) IR rays
c) X-rays
d) Cosmic rays

Answer: c

Question: A dynamo is used to convert
a) mechanical energy into electrical energy
b) electrical energy into mechanical energy
c) electrical energy into magnetic energy
d) magnetic energy into mechanical energy

Answer: a

Question: A micron is equal to
a) 0.1mm
b) 0.01mm
c) 0.001mm
d) 0.0001mm

Answer: c

Question: A compass needle cannot be used to detect
a) magnetic North-South direction
b) polarity of a magnet
c) strength of a magnet
d) direction of magnetic field

Answer: c

Question: Persons suffering frommyopia are advised to use
a) convex lens
b) concave lens
c) plano-convex lens
d) plano-concave lens

Answer: b

Question: Optic fibres are mainly used for which of the following?
a) Communication
b) Weaving
c) Musical instruments
d) Food industry

Answer: a

Question: Which of the following are most penetrating?
a) a-rays
b) b-rays
c) g-rays
d) X-rays

Answer: c

Question: Decibel is used to measure the intensity of
a) magnetic field
b) sound
c) light
d) heat

Answer: b

Question: Old-written material, which cannot be read easily,can be read by
a) cosmic rays
b) ultraviolet rays
c) infrared rays
d) None of these

Answer: c

Question: The minimum number of geostationary satellites needed for uninterrupted global coverage is
a) 3
b) 4
c) 2
d) 1

Answer: c

Question: Cryogenic engines find applications in
a) rocket technology
b) frost-free refrigerators
c) sub-marine propulsion
d) researches in superconductivity

Answer: a

Question: The best colour(s) for a sun umbrella will be
a) black
b) black on top and white on the inside
c) White on top and black on the inside
d) printed with all the seven colours of rainbow

Answer: c

Question: Consider the following statements The fog during winter season is more on the day when
1. sky is clear
2. sky is cloudy
3. wind is blowing
Which of the statements given above is/are correct?
a) Only 1
b) 1 and 3
c) 2 and 3
d) Only 2

Answer: a

Question: Which of the following laws is explained by the statement that matter can neither be created for destroyed?
a) Law of Conservation of Energy
b) Le Chatelier's principle
c) Law of Conservation of Mass
d) Law of Osmosis

Answer: c

Question: The best conductor of electricity among the following is
a) Copper
b) Iron
c) Aluminium
d) Silver

Answer: d

Question: Aviation fuel for jet aeroplanes consists of purified
a) petrol
b) kerosene
c) gasoline
d) diesel

Answer: b

Question: Match the following

Codes
    A B C D
a) 2 1 4 3
b) 4 3 2 1
c) 2 4 1 3
d) 3 1 4 2

Answer: c

Question: In a barometer, mercury is preferred over water because
a) mercury is a good conductor of heat
b) mercury shines and therefore its level can be read easily
c) mercury has high density and low vapour pressure
d) mercury is available in pure form

Answer: c

Question: A bomb is dropped at a point from a moving aeroplane. The pilot observes that
a) the bomb traverses a curved path and falls some distance behind that point
b) the bomb traverses a curved path and falls some distance ahead
c) the bomb drops vertically downward
d) the bomb remains stationary in the air for some time

Answer: b

Question: Rise of mercury in a barometer indicates
a) fair weather
b) storm
c) rain
d) Both (b) and (c)

Answer: a

Question: Who among the following laid the foundation of nuclear science in the country?
a) Vikram Sarabhai
b) Homi J Bhabha
c) MGK Menon
d) Raja Ramanna

Answer: b

Question: The source of our energy is basically the
a) ocean
b) sun
c) atmosphere
d) space

Answer: b

Question: Which of the following is the correct combination of the inventors and the inventions?
a) Galileo Galilei - Transistors
b) Elisha Thomson -Windmill
c) JL Baird - Television
d) Sir Frank Whittle - Laser

Answer: c

Question: When light passes from air into glass it experiences change in
a) frequency and wavelength
b) frequency and speed
c) wavelength and speed
d) frequency, wavelength and speed

Answer: c

Question: What happens to the level ofmercury in the barometer tube when it is taken down a coalmine? It
a) falls
b) remains unaltered
c) rises
d) rises and then falls

Answer: c

Question: Which of the following are the discoveries of Einstein?
a) Radioactivity and photoelectric effect
b) Radioactivity and theory of relativity
c) Theory of relativity and photoelectric effect
d) X-rays and photoelectric effect

Answer: c

Question: Why is there a spluttering sound when water is sprinkled on hot oil?
a) Boiling point of the water is higher than that of oil
b) Boiling point of the oil is higher than that of water
c) Oil and water do not mix
d) Oil and water combine to form a compound

Answer: b

Question: Natural rubber is the polymer of
a) Isoprene
b) Styrene
c) Butadiene
d) Ethylene

Answer: a

Question: Which falls down faster in a vacuum-a feather, a wooden ball or a steel ball?
a) A wooden ball
b) A feather
c) A steel ball
d) All will fall down at the same speed in a vacuum because there will be no air resistance

Answer: d

Question: A light year is a unit of
a) time
b) distance
c) speed of light
d) intensity of light

Answer: b

Question: Shaving mirror is
a) convex
b) concave
c) plane
d) parabolic

Answer: b

Question: Transfer of heat energy from the sun to the moon takes place by
a) radiation only
b) radiation and conduction
c) radiation and convection
d) radiation, conduction and convection

Answer: a

Question: One should not connect a number of electric appliances to the same power socket because
a) the appliances will not get full voltage
b) the appliances will not get proper current
c) this can damage the appliances
d) this can damage the domestic wiring due to overheating

Answer: d

Question: Match the following

Codes
    A B C D
a) 2 4 3 1
b) 3 4 2 1
c) 3 2 1 4
d) 4 1 2 3

Answer: b

Question: Microphone is a device in which
a) sound waves are directly transmitted
b) electrical energy is converted into sound waves directly
c) sound waves are converted into electrical energy and then reconverted into sound after transmission
d) amplification is not required at all

Answer: c

Question: The blue colour of the water in the sea is due to
a) absorption of other colours by water molecules
b) reflection of the blue light by the impurities in sea water
c) reflection of blue sky by sea water and scattering of blue light by water molecules
d) None of the above

Answer: c

Question: A lighted candle gets extinguished when covered with a tumbler because of
a) adequate supply of air
b) inadequate supply of air
c) presence of non-luminous matter
d) None of the above

Answer: b

Question: The nuclides having the same number of neutrons but different number of protons or mass number are known as
a) isobars
b) isoelectronic
c) isotopes
d) isotones

Answer: d

Question: A weather balloon is not fully inflated on the ground because
a) it cannot rise up in the air when fully inflated
b) it cannot withstand the outside pressure if fully inflated
c) if the balloon is fully inflated, it may not remain stable in a storm
d) the air inside the balloon expands as it rises and may burst

Answer: d

Question: The technique of calculating the age of fossil organisms is
a) Radiocarbon dating
b) Electroporation
c) Counting the annual rings
d) Micro manipulation

Answer: a

Question: A ship rises as it enters the sea from a river because the
a) water in sea is hard water
b) larger quantity of water in the sea pushes the ship upwards
c) density of sea water is lower than that of the river water
d) density of sea water is higher than that of the river water

Answer: d

Question: Which of the following is good nuclear fuel ?
a) Uranium-238
b) Neptunium-239
c) Thorium-236
d) Plutonium-239

Answer: d