Explore topic-wise MCQs in GK.

This section includes 625 Mcqs, each offering curated multiple-choice questions to sharpen your GK knowledge and support exam preparation. Choose a topic below to get started.

1.

Trinitrotoluene is
A. used to melt metals
B. used to fuse two metals
C. used as an abrasive
D. used as an explosive
Answer» E.
Discussion
2.

An eudiometer measures
A. Atmospheric pressure
B. Time
C. Volume of gases
D. Vapour pressure
Answer» D. Vapour pressure
Discussion
3.

The largest artery in human body is
A. Aorta
B. Capillary
C. Vena cava
D. Pulmonary vein
Answer» B. Capillary
Discussion
4.

During which of the following operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?
A. Acceleration
B. Cruising
C. Idle running
D. Deacceleration
Answer» D. Deacceleration
Discussion
5.

The beach sands of Kerala are rich in
A. Calcium
B. Radium
C. Thorium
D. Manganese
Answer» D. Manganese
Discussion
6.

A galvanometer can be converted into a voltmeter by connecting with it a
A. high resistance in parallel
B. low resistance on parallel
C. high resistance on series
D. low resistance in series
Answer» D. low resistance in series
Discussion
7.

Where is urea manufactured?
A. Gallbladder
B. Liver
C. Kidney
D. Bladder
Answer» C. Kidney
Discussion
8.

Plants that grow in salt water are called?
A. melophytus
B. Thallophytus
C. hydrophytes
D. halophytus
Answer» E.
Discussion
9.

Which of the following metals has the highest thermal conductivity?
A. aluminum
B. copper
C. Iron
D. silver
Answer» E.
Discussion
10.

During summer, water kept in an earthen pot becomes cold due to?
A. Evaporation
B. Diffusion
C. Transpiration
D. osmosis
Answer» B. Diffusion
Discussion
11.

Which of the following is that part of the human body, which is responsible for the balance of water-
A. kidney
B. Liver
C. Lungs
D. heart
Answer» B. Liver
Discussion
12.

Plants tissues are of how many types?
A. 3
B. 2
C. 5
D. 6
Answer» B. 2
Discussion
13.

The energy released during cellular respiration is stored in _______.
A. ATP
B. glucose
C. lungs
D. ileum
Answer» B. glucose
Discussion
14.

Bleaching powder contains ______ bleaching agent.
A. Bromine
B. Iodine
C. Hydrogen
D. Chlorine
Answer» E.
Discussion
15.

Which of the following metals is in a liquid state at orbital temperature?
A. Mercury
B. Tungsten
C. Lead
D. Bromine
Answer» B. Tungsten
Discussion
16.

Which of the following polymer is obtained on the polymerization of hexamethylene diamine and adipic acid?
A. Nylon - 6,6
B. Terylene
C. Toluene
D. Bakelite
Answer» B. Terylene
Discussion
17.

Blood group was discovered by -

A. Karl Landsteiner
B. Pavlov
C. Alexander Fleming
D. William Harvey
Answer» B. Pavlov
Discussion
18.

Tobacco Addiction is due to
A. Cocaine
B. Caffeine
C. Nicotine
D. Histamine
Answer» D. Histamine
Discussion
19.

Which statement is correct in the following?
A. All metals are tensile.
B. All non-metals are tensile.
C. Generally metals are tensile.
D. Some non-metals are tensile.
Answer» D. Some non-metals are tensile.
Discussion
20.

Which is not a source of air pollution?
A. Automobiles
B. Industries
C. Solid Waste
D. Dust Particles
Answer» D. Dust Particles
Discussion
21.

Which element is found in the highest amount in the universe?
A. Helium
B. oxygen
C. Hydrogen
D. Nitrogen
Answer» D. Nitrogen
Discussion
22.

Human nails are made of
A. Pigment
B. Elastin
C. Albumin
D. Keratin
Answer» E.
Discussion
23.

Antimatter particles corresponding to electrons are called_____.
A. Neutrons
B. Positrons
C. Protons
D. Antielectron
Answer» C. Protons
Discussion
24.

What is the life span of WBC?
A. 2-15 days
B. 3-15 days
C. 4-15 days
D. 5-20 days
Answer» B. 3-15 days
Discussion
25.

Which of the following has maximum speed?
A. Air
B. Water Current
C. Sound
D. Light
Answer» E.
Discussion
26.

Ozone layer is found in
A. Thermosphere
B. Stratosphere
C. Troposhere
D. Mesophere
Answer» C. Troposhere
Discussion
27.

Renewable source of energy is
A. Coal
B. Petroleum
C. Plants
D. Uranium
Answer» D. Uranium
Discussion
28.

Maximum amount of gas found in air is
A. Oxygen
B. Carbon dioxide
C. Hydrogen
D. Nitrogen
Answer» E.
Discussion
29.

Aim of pulse Polio programme is
A. Treatment of Polio
B. Stop paralytic effect of Polio
C. Complete eradication of Polio
D. All of these
Answer» D. All of these
Discussion
30.

Is Mirchika example?

A. light reflection
B. light deflection
C. light refraction
D. light scattering
Answer» D. light scattering
Discussion
31.

Whose pieces are the magnet protectors?

A. Nickel
B. Cobalt
C. Steel
D. Soft Iron
Answer» E.
Discussion
32.

Is the omnibus blood group?
A. A
B. B
C. AB
D. O
Answer» D. O
Discussion
33.

Why is not all the children of a parent equal?

A. Genetic variation
B. Variation of environment
C. Both of the above
D. None of these
Answer» D. None of these
Discussion
34.

Who discovered the life cycle of malaria parasites in mosquitoes?

A. Luis Pasteur
B. Ronald Ross
C. Charles Darwin
D. Gregor Medel
Answer» C. Charles Darwin
Discussion
35.

Human kidney is the major chemical compound found in

A. Uric acid
B. Calcium carbonate
C. Calcium oxalate
D. Calcium sulfate
Answer» D. Calcium sulfate
Discussion
36.

Cause of irritation caused by mirchi?

A. Lycopene
B. Vitamin C
C. Capsicin
D. Fiofrin
Answer» D. Fiofrin
Discussion
37.

Is there a cell wall?

A. Permeable
B. Semipere
C. Selective permeable
D. Impermeable
Answer» B. Semipere
Discussion
38.

Is air a reliable indicator of pollutants?

A. Fune and Psycum
B. Green algae and liververt
C. Likenes and mosses
D. Neem and Sea Soak
Answer» D. Neem and Sea Soak
Discussion
39.

What is nephron related to?

A. Liver
B. Heart
C. Renal
D. Stomach
Answer» D. Stomach
Discussion
40.

Is the main component of bio-gas?

A. Methane
B. Ethan
C. Propane
D. Butane
Answer» B. Ethan
Discussion
41.

Is the chlorophill helper?

A. In respiration
B. In photosynthesis
C. In emissions
D. Both A and B
Answer» C. In emissions
Discussion
42.

Which of the following statement sits true?

A. The pyramids of biovolume in the sea are often straight.
B. The pyramid of the meadow is often counterproductive.
C. Energy pyramids are always in a standing state.
D. The energy pyramid is always counterproductive.
Answer» B. The pyramid of the meadow is often counterproductive.
Discussion
43.

Celebrate National Science Day in India?

A. on May 11
B. on November 14
C. on June 5
D. on February 28
Answer» E.
Discussion
44.

The amount of light entering the eye is controlled by which of the following organs?

A. Conirya
B. Coroyad
C. Retina
D. Iris
Answer» E.
Discussion
45.

Who in the following is a gender linked disease?

A. Leprosy
B. Tuberculosis
C. Colourability
D. Leukaemia
Answer» D. Leukaemia
Discussion
46.

Removal of land by the action of air and water is called?
A. Erosion
B. Fossil building
C. Calci Building
D. Salt Building
Answer» B. Fossil building
Discussion
47.

Is there concentration in the eye?

A. By altering the convex of the lens
B. Back-and-forth speed of the lens
C. By the front-and-back motion of the retina
D. By changing the refractive index of the liquid of the eye
Answer» D. By changing the refractive index of the liquid of the eye
Discussion
48.

Is the work of 'Hanley's Loop' related?

A. From the emission mechanism
B. by the system of process
C. From urinary regenerating system
D. From the nervous system
Answer» B. by the system of process
Discussion
49.

Is the major function of bile?

A. Changes in fat fatty acids and glycerol
B. Fat changes in fatty acids and glycerol
C. Emulation of fats ( emulsification ) .
D. All of the above
Answer» D. All of the above
Discussion
50.

Is Psyanocobalamin ?

A. Vitamin C
B. Vitamin B2
C. Vitamin B6
D. Vitamin B12
Answer» E.
Discussion