Explore topic-wise MCQs in General Knowledge.

This section includes 1292 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

1051.

Which of the following pairing is incorrect

A. Hygrometer ­- Water vapour content of the atmosphere
B. Lactometer - ­ Specific gravity of liquids
C. Anemometer ­ - Speed of the wind
D. Seismograph -­ Earthquakes
Answer» C. Anemometer ­ - Speed of the wind
Discussion
1052.

Which of the following Newton's laws of motion can explain why a ball thrown at a wall rebounds?

A. 1st law of motion
B. 2nd law of motion
C. 3rd law of motion
D. Neither of the laws
Answer» D. Neither of the laws
Discussion
1053.

Which of the following never occurs singly in nature?

A. Inertia
B. Momentum
C. Force
D. Velocity
Answer» D. Velocity
Discussion
1054.

Which of the following lies on the reflecting surface of the minor?_x005F_x000D_

A. Centre of curvature
B. Focus
C. Pole
D. Focal length
Answer» D. Focal length
Discussion
1055.

Which of the following is used to detect current in a circuit?

A. Galvanometer
B. Anemometer
C. Barometer
D. Lactometer
Answer» B. Anemometer
Discussion
1056.

Which of the following is not true in relation to the Global Positioning system?

A. It is a space-based navigation system.
B. It can predict cyclones
C. It can be used to map vehicular traffic.
D. It can be used for in-car navigation
Answer» C. It can be used to map vehicular traffic.
Discussion
1057.

Which of the following is not true about X­rays?

A. have low penetrating power
B. travel with the speed of light
C. Can be reflected or refracted
D. can affect photographic plates
Answer» B. travel with the speed of light
Discussion
1058.

Which of the following is NOT based on principle of relationship between volume and pressure of air?

A. Fountain pen
B. Bicycle pump
C. Hand pump
D. Pulley
Answer» E.
Discussion
1059.

Which of the following is not true about Frictional force?_x005F_x000D_

A. Friction is the force which opposes the relative motion of two surfaces in contact
B. The force of friction that acts when a body is moving (sliding) on a surface is called sliding friction
C. Friction in machines wastes energy and also causes wear and tear
D. Rolling friction is much more than sliding friction, the use of ball bearings in a machine considerably reduces friction
Answer» E.
Discussion
1060.

Which of the following is not an intrusive igneous body?

A. Stock
B. Dike
C. Stope
D. Batholith
Answer» D. Batholith
Discussion
1061.

Which of the following is not the unit of time

A. Parallactic second
B. Micro Second
C. Leap year
D. Solar day
Answer» B. Micro Second
Discussion
1062.

Which of the following is NOT an example of potential energy?

A. Running water
B. Water stored in a dam
C. A raised hammer
D. A compressed spring
Answer» B. Water stored in a dam
Discussion
1063.

Which of the following is not an aerosol?

A. mud
B. dust
C. smoke
D. fog
Answer» B. dust
Discussion
1064.

Which of the following is NOT an example of non-uniform motion?_x005F_x000D_

A. A man running a 800 m race
B. The rotation of the blades of a ceiling fan
C. A car moving on a crowded street
D. A person jogging in a park
Answer» B. The rotation of the blades of a ceiling fan
Discussion
1065.

Which of the following is NOT an application of Fiber optics?

A. Power Generation
B. Computer Networking
C. Sensors
D. Power Transmission
Answer» B. Computer Networking
Discussion
1066.

Which of the following is NOT an equation of motion?_x005F_x000D_

A. s = ut + 12at2
B. v = u + a
C. s = ut + 12at3
D. v2 = u2 + 2as
Answer» D. v2 = u2 + 2as
Discussion
1067.

Which of the following is not a unit of energy?

A. Calorie
B. Joule
C. electron volt
D. Watt
Answer» E.
Discussion
1068.

Which of the following is not a transverse wave?

A. Light waves
B. Radio waves
C. Sound waves
D. All the above
Answer» D. All the above
Discussion
1069.

Which of the following is Not a form of Energy?

A. Heat
B. Sound
C. Motion
D. Pressure
Answer» E.
Discussion
1070.

Which of the following is NOT a difference between lenses and mirrors?_x005F_x000D_

A. Light reflects from a mirror. Light goes through and is refracted by a lens.
B. A concave mirror converges light to a focal point. For lenses, light converges to a point for a convex lens.
C. A convex mirror converges light, as does a concave lens.
D. Lenses have two focal points, one on either side of the lens.
Answer» D. Lenses have two focal points, one on either side of the lens.
Discussion
1071.

Which of the following is Inexhaustible Natural Resources?

A. Air
B. Minerals
C. Forests
D. Coal
Answer» B. Minerals
Discussion
1072.

Which of the following is false with reference to a photo-voltaic cell?

A. It is another name as solar cell
B. It can be used as infra-red detectors
C. It can store light energy in the form of electrical energy
D. It converts electric energy into light energy
Answer» E.
Discussion
1073.

Which of the following is false?_x005F_x000D_  _x005F_x000D_ Sound waves are ___ waves._x005F_x000D_

A. Pressure
B. Longitudinal
C. Electromagnetic
D. Mechanical
Answer» D. Mechanical
Discussion
1074.

Which of the following is based on the principle of nuclear fusion?_x005F_x000D_

A. Atomic bomb
B. Hydrogen bomb
C. Both Atomic and Hydrogen bomb
D. No option is correct
Answer» C. Both Atomic and Hydrogen bomb
Discussion
1075.

Which of the following is an example of thermoplastics?

A. Bakelite
B. Melamine
C. PVC
D. No option is correct
Answer» D. No option is correct
Discussion
1076.

Which of the following is/are state function / functions?_x005F_x000D_ 1. q + w_x005F_x000D_ 2. q_x005F_x000D_ 3. w_x005F_x000D_ 4. H -TS_x005F_x000D_ Select the correct answer using the code given below.

A. 1 and 4 only
B. 1, 2 and 4
C. 2, 3 and 4
D. 1 only
Answer» B. 1, 2 and 4
Discussion
1077.

Which of the following is an example of continous emission spectrum?

A. Spectrum of an oil frame
B. Spectrum of a water
C. both
D. none
Answer» B. Spectrum of a water
Discussion
1078.

Which of the following is a scalar quantity

A. Displacement
B. Electric field
C. Acceleration
D. work
Answer» E.
Discussion
1079.

Which of the following is a renewable source of energy

A. Natural gas
B. Coal
C. Wind
D. Oil
Answer» D. Oil
Discussion
1080.

Which of the following is a renewable resource of energy?

A. Hydrogen fuel
B. Wind energy
C. Solar energy
D. All of the above
Answer» E.
Discussion
1081.

Which of the following is a Non Renewable Resource of Energy?

A. Wind Power
B. Hydrogen Fuel
C. Natural Gas
D. Solar Energy
Answer» D. Solar Energy
Discussion
1082.

Which of the following is a Heterogeneous Mixture?

A. Air
B. Table salt
C. Soda
D. Brass
Answer» D. Brass
Discussion
1083.

Which of the following is a device designed to protect electrical devices from voltage spikes?

A. Voltage unloader
B. Surge protector
C. Heat protector
D. Current unloader
Answer» C. Heat protector
Discussion
1084.

Which of the following is a compound machine?

A. Screw
B. Knife
C. Bicycle
D. Ramp
Answer» D. Ramp
Discussion
1085.

Which of the following is a characteristic of an exothermic reaction?

A. Release of heat
B. Absorption of heat
C. Doesn't involve any change in temperature
D. None of the option is correct
Answer» B. Absorption of heat
Discussion
1086.

Which of the following is a bad conductor of heat?_x005F_x000D_

A. Wood
B. Diamond
C. Water
D. Mica
Answer» B. Diamond
Discussion
1087.

Which of the following has the same unit as energy?

A. Work
B. Power
C. Density
D. Force
Answer» B. Power
Discussion
1088.

Which of the following instruments is used to measure electric current?

A. Rheostat
B. Voltmeter
C. Ammeter
D. Galvanometer
Answer» D. Galvanometer
Discussion
1089.

Which of the following instrument is used to measure Soil Water Tension?

A. Photometer
B. Pyrometer
C. Psychrometer
D. Tensiometer
Answer» E.
Discussion
1090.

Which of the following has the shortest wavelength?

A. Gamma rays
B. Radio waves
C. Microwaves
D. Infrared rays
Answer» B. Radio waves
Discussion
1091.

Which of the following has the lowest frequency?

A. Visible light
B. Gamma rays
C. X­-rays
D. Ultra violet rays
Answer» B. Gamma rays
Discussion
1092.

which of the following has the longest wavelength

A. Infrared radiation
B. γ-radiation
C. Ultraviolet radiation
D. Visible radiation
Answer» B. γ-radiation
Discussion
1093.

Which of the following has the lowest electrical resistivity?_x005F_x000D_

A. Nickel
B. Aluminum
C. Silver
D. Nichrome
Answer» D. Nichrome
Discussion
1094.

Which of the following has the highest entropy?

A. Hydrogen
B. Diamond
C. Liquid nitrogen
D. Mercury
Answer» B. Diamond
Discussion
1095.

Which of the following has the highest frequency?

A. Cosmic rays
B. X-rays
C. Radio waves
D. Microwaves
Answer» B. X-rays
Discussion
1096.

Which of the following has NO unit?

A. Density
B. Relative density
C. Displacement
D. Pressure
Answer» C. Displacement
Discussion
1097.

Which of the following group of elements are diamagnetic ?

A. Argon, copper, silver
B. Hydrogen, argon, copper
C. Oxygen, copper, silver
D. Hydrogen, oxygen, Argon
Answer» B. Hydrogen, argon, copper
Discussion
1098.

Which of the following glows with special colour depending on the nature of gas in the fluorescent tube?

A. Plasma
B. Hydrogen
C. Helium
D. Bose-Einstein condensate
Answer» B. Hydrogen
Discussion
1099.

Which of the following has highest penetration power?_x005F_x000D_

A. α– radiations_x005F_x000D_
B. β– radiations_x005F_x000D_
C. γ– radiations_x005F_x000D_
D. All have same penetration power._x005F_x000D_
Answer» D. All have same penetration power._x005F_x000D_
Discussion
1100.

Which of the following electromagnetic waves has minimum wavelength?_x005F_x000D_

A. Alpha
B. Gamma
C. Infrared
D. X-rays
Answer» C. Infrared
Discussion