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50 Multiple Choice Questions (MCQ) on General Science

Multiple Choice Questions (MCQ) related to General Science are asked in General Awareness question paper in various competitive examinations conducted by SSC, UPSC, PSC, LIC, GIC, Railways, IBPS, etc. The main objective of these questions is to test the candidate's knowledge in General Science. For this purpose we have provided study materials related to General Science in the TO THE POINT section. Candidates may visit this link GK Study Materials to enhance their knowledge in this area.



Candidates who want to test their preparation in the topic General Science we have provided below 50 Multiple Choice Objective Questions (MCQ) on General Science.


Model Test Paper-1


1) A tree's age can be found by?
A) counting the number of annual rings
B) counting the number of branches
C) measuring its height
D) measuring its girth

2) Acute lead poisoning is also known as?
A) Plumbism
B) Neuralgia
C) Itai-itai
D) Byssinosis

3) Which of the following is the best conductor of electricity?
A) Cold water
B) Saline water
C) Distilled water
D) Warm water

4) A balloon filled with helium rises in air because?
A) Air exerts an upward force on the balloon
B) The balloon is weightless
C) Helium is less dense than air
D) Helium pushes down on the air below the balloon

5) A body has a mass of 6 kg on the Earth
A) when measured on the Moon, its mass would be?
B) less than 6 kg
C) 6 kg
D) less than 1 kg

6) A body is charged negatively. It implies that?
A) it has acquired some electrons from outside
B) it has lost some of its electrons
C) it has lost some of its protons
D) None of these

7) A chemical reaction that takes place with the evolution of heat is called a/an:
A) Reversible reaction
B) Endothermic reaction
C) Thermal reaction
D) Exothermic reaction

8) A chronometer measures:
A) Sound waves
B) Time
C) Water waves
D) Colour contrast

9) A close bottle containing water at room temperature is taken to the Moon and than the lid is opened. The water will?
A) freeze
B) boil
C) decompose into oxygen and hydrogen
D) not change at all

10) A compound used in medicine as a pain killer is
A) Urotropine
B) Chloroform
C) Aspirin
D) Ethyl alcohol

11) A devastating Cloud Burst swept over Leh in August 2010. Which one of the following statements with regard to Cloud Burst is not correct?
A) Cloud Burst is a localised weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time
B) Cloud Burst occurs only in hilly areas
C) Cloud Burst occurs due to upward movement of moistureladen air with sufficient rapidity to form cumulonimbus clouds
D) There is no satisfactory technique till now for predicting Cloud Burst

12) A double convex air bubble in water would behave as a:
A) Convergent lens
B) Divergent lens
C) Both as convergent and divergent lenses
D) None of these

13) A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers
A) refraction
B) diffraction
C) total internal reflection
D) reflection

14) A mixture of iron filings and sand can be separated by:
A) Heating
B) Sublimation
C) Hand picking
D) Magnetic Separation

15) A mixture of water and alcohol can be separated by:
A) Filtration
B) Evaporation
C) Distillation
D) Decantation

16) A plant with compound leaves
A) Papaya
B) Coconut Palm
C) Peepal
D) Hibiscus

17) A real gas can act as an ideal gas in
A) high pressure and low temperature
B) low pressure and high temperature
C) high pressure and high temperature
D) low pressure and low temperature

18) A solid cannot change its shape easily compared to liquid because of
A) higher density of solid
B) stronger intermolecular force in solid
C) larger intermolecualr seperation in solid
D) bigger molecular size of solid

19) A solution of zinc chloride cannot be stored in a vessel made of?
A) Lead
B) Gold
C) Aluminium
D) Silver

20) A substance which changes readily into vapour without heating is called:
A) Efflorescent
B) Synthetic
C) Volatile
D) Effervescent

21) A super conductor is characterised by:
A) Zero permeability
B) Low permeability
C) High permeability
D) Infinite permeability

22) A woman who rents her womb to produce a child for others is known as
A) Biological mother
B) Step mother
C) Surrogate mother
D) Foster mother

23) According to Daltonís atomic theory the smallest particle which can exist independently is:
A) An atom
B) A molecule
C) A cation
D) An anion

24) According to special theory of relativity the mass of a particle
A) increases with increase in velocity with respect to an observer
B) decreases with increase in velocity
C) decreases with decrease in velocity
D) is independent of its velocity

25) Acetic acid on decarboxylation gives
A) Methane
B) Ethane
C) Propane
D) Butane

26) Acid rain is caused due to pollution of atmosphere by ?
A) Oxides of nitrogen and sulphur
B) Oxides of nitrogen and phosphorous
C) Oxides of carbon and nitrogen
D) None of these

27) Aerated water contains
A) SO2
B) NO2
C) H2
D) CO2

28) Age of fossil may be found out by determining the ratio of two isotopes of carbon. The isotopes are?
A) C-12 and C-14
B) C-12 and C-13
C) C-13 and C-14
D) C-12 and carbon black

29) AIDS is caused by?
A) Water
B) Bacteria
C) Virus
D) Fungus

30) Air is a/an:
A) Compound
B) Element
C) Mixture
D) Electrolyte

31) Air is said to be saturated when
A) it contains maximum content of water vapour
B) its pressure is minimum
C) its thickness is maximum
D) it blows over the barren land

32) Alcohol prepared by the distillation of wood is ?
A) Ethyl Alcohol
B) Glycerol
C) Methyl Alcohol
D) Propyl Alcohol

33) All the ecosystems taken together in a geographical area form a bigger unit called ?
A) Biome
B) Biosphere
C) Community
D) Territory

34) Alzheimer's disease in human beings is characterised by the degeneration of?
A) Nerve cells
B) Kidney cells
C) Brain cells
D) Liver cells

35) Among terrestrial (land) animals, which animal has the longest gestation period ?
A) Rhinoceros
B) Horse
C) Elephant
D) Tiger

36) Amount of water vapour (gaseous) in a given volume of air (Cubic Meter) is known as ?
A) Specific Humidity
B) Absolute Humidity
C) Relative Humidity
D) Mixing Ratio

37) An alloy used in making heating elements for electric heating devices is:
A) Solder
B) Alloysteel
C) Nichrome
D) German Silver

38) An atom of an element with mass number 23 and atomic number 11 will have:
A) 11 neutrons, 12 protons and 11 electrons
B) 11 protons, 12 neutrons and 11 electrons
C) 11 protons, 12 electrons and 11 neutrons
D) 23 protons and 11 electrons

39) An eardrum is absent in
A) turtles
B) tuatara
C) toads
D) snakes

40) An element that does not occur in nature but can be produced artificially is:
A) Thorium
B) Radium
C) Plutonium
D) Uranium

41) An element which does not react with oxygen is
A) Chlorine
B) Iodine
C) Helium
D) Nitrogen

42) An instrument that measures and records the relative humidity of air is
A) Hydrometer
B) Hygrometer
C) Lactometer
D) Barometer

43) Angular momentum is equal to
A) moment of inertia x angular velocity
B) mass angular x velocity
C) linear velocity x angular velocity
D) mass linear x velocity

44) Animals adapted to life in air are called
A) arboreal
B) cursorial
C) volant
D) fossorial

45) Argon gas was discovered by:
A) William Ramsay
B) Cavendish
C) John Davy
D) Alfred Werner

46) Atom bomb is made on the basis of:
A) Nuclear fusion
B) Nuclear fission
C) Both nuclear fusion and nuclear fission
D) None of these

47) Atoms are composed of:
A) Electrons only
B) Protons only
C) Electrons & Protons
D) Electrons & Nuclei

48) Atoms having the same number of protons but different number of neutrons are called
A) Isotopes
B) Cations
C) Higgs-boson
D) Anions

49) Atoms of the same element, i. e., having the same atomic number that differ in atomic weight, are called:
A) Isotopes
B) Isomers
C) Isobars
D) Isotherms

50) Balloons are filled with:
A) Helium
B) Oxygen
C) Nitrogen
D) Argon