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.

101.

In Modern Periodic Table, there is an anomaly when it comes to the position of_____because it can be placed either in group 1 or group 17 in the first period
A. He
B. H
C. Li
D. Be
Answer» C. Li
Discussion
102.

The time period of a vibrating body is 0.04s, then the frequency of the wave is___.
A. 25Hz
B. 20Hz
C. 250Hz
D. 200Hz
Answer» B. 20Hz
Discussion
103.

If the edge of a cube is halved, then its volume reduces to _____times the actual volume.
A. 1/3
B. 1/4
C. 1/8
D. 1/2
Answer» D. 1/2
Discussion
104.

The cathode rays can be deflected-

A. Both electric and magnetic field
B. Not by any field
C. Only by electric field
D. Only by magnetic field
Answer» B. Not by any field
Discussion
105.

What is the viscosity of an ideal fluid?
A. Equal to its mass
B. Equal to its weight
C. Zero
D. One
Answer» D. One
Discussion
106.

The first protocol to ban the emissions of chlorofluorocarbons in the atmosphere was made in
A. Montreal
B. Osaka
C. Geneva
D. Florida
Answer» B. Osaka
Discussion
107.

Which of these is a micronutrient for plants?

A. Carbon
B. Oxygen
C. Nitrogen
D. Boron
Answer» E.
Discussion
108.

Who among the following was the first to say that mosquito is the carrier of malaria?
A. Robert Koch
B. Louis Pasteur
C. Ronald Raas
D. Leveron
Answer» D. Leveron
Discussion
109.

Blood does not clot in the blood vessels due to the presence of

A. Thrombin
B. Fibrinogen
C. Heparin
D. Prothrombin
Answer» B. Fibrinogen
Discussion
110.

Which of the following diseases is caused by protozoa?
A. pyuria
B. Peaches
C. Malaria
D. All of the above
Answer» E.
Discussion
111.

Which of the following is an epidemic and endemic disease?
A. polio
B. measles
C. Typhoid
D. Cholera
Answer» E.
Discussion
112.

Pyramid of energy

A. is always upright.
B. is inverted only for sea ecosystem.
C. is always inverted.
D. can be both inverted or upright.
Answer» B. is inverted only for sea ecosystem.
Discussion
113.

For control of which disease is an antigen ( D, P, T ) administered to children?

A. Diphtheria, Pertussis, Typhoid
B. Dengue, Polio, Typhoid
C. Diphtheria, Pertussis, Tetanus
D. Diphtheria, Polio, Tetanus
Answer» D. Diphtheria, Polio, Tetanus
Discussion
114.

How many contrasting characters did Mendel select for his experiments?

A. 9
B. 10
C. 7
D. 8
Answer» D. 8
Discussion
115.

The most common cause of anemia in our country is

A. Potassium deficiency
B. Calcium deficiency
C. Iron deficiency
D. Magnesium deficiency
Answer» D. Magnesium deficiency
Discussion
116.

What is the point on the lever which does not move called?

A. Effort
B. Load
C. Fulcrum
D. Core
Answer» D. Core
Discussion
117.

Photosynthesis in plants converts light energy to____ energy.
A. Chemical
B. Thermal
C. Kinetic
D. Physical
Answer» B. Thermal
Discussion
118.

The number of RCB count in an adult male is?
A. 4.6 Million
B. 4.0 Million
C. 6.5 Million
D. 5 Million
Answer» E.
Discussion
119.

The main components of Liquid Petrolium Gas (LPG) are?
A. Ethane, Propane and Butane
B. Methane, Carbon Monoxide & Hydrogen
C. Methane, Ethane and Hexane
D. Methane, Pentane and Hexane
Answer» B. Methane, Carbon Monoxide & Hydrogen
Discussion
120.

The density of milk can be measured by?
A. Butyrometer
B. Thermometer
C. Hydrometer
D. Lactometer
Answer» E.
Discussion
121.

Bronze is an alloy of?
A. Copper & Lead
B. Copper & Tin
C. Copper & Silver
D. Copper & Zinc
Answer» C. Copper & Silver
Discussion
122.

The sky appears blue due to its?
A. Refraction of Light
B. Reflection of Light
C. Scattering of Light
D. Diffraction of Light
Answer» D. Diffraction of Light
Discussion
123.

The chemical name of Baking Soda is?
A. Sodium Bicarbonate
B. Sodium Hydroxide
C. Sodium Chloride
D. Sodium Sulphate
Answer» B. Sodium Hydroxide
Discussion
124.

Which of the following substance is used for Artificial Rain?
A. Silver Iodide
B. All of the Above
C. Silver Bromide
D. Ammonium Nitrate
Answer» B. All of the Above
Discussion
125.

Which one of the following organ is affected by Malaria?
A. Kidney
B. Spleen
C. Heart
D. Lungs
Answer» C. Heart
Discussion
126.

The weight of our body is mostly made of?
A. From Water
B. Parts of Skin
C. From Bones
D. Parts of Body
Answer» B. Parts of Skin
Discussion
127.

A satellite is kept moving in its orbit around the Earth due to its?
A. Gravitational Force
B. None of the Above
C. Centrifugal Force
D. Centripetal Force
Answer» E.
Discussion
128.

Communication satellites are used to -
A. provide information of natural resources only
B. transmit communication signal only
C. receive communication signal only
D. receive and redirect communication signal
Answer» E.
Discussion
129.

Bacteria is classified as____.
A. Eukaryote organism
B. Prokaryote organism
C. Both a and b
D. None of a and b
Answer» C. Both a and b
Discussion
130.

Mohs scale is used to measure ________.
A. Elasticity of a Material
B. Liquidity of a Substance
C. Viscosity of Substance
D. Hardness of Substance
Answer» E.
Discussion
131.

Who invented the bifocal glasses?
A. Thomas Alva Edison
B. Benjamin franklin
C. Evangelista
D. Isaac Newton
Answer» C. Evangelista
Discussion
132.

Who discovered Cathode rays?
A. J.J.Thomson
B. Rutherford
C. Chadwick
D. Goldstein
Answer» B. Rutherford
Discussion
133.

For which invention is Otto Hahn famous?
A. Atom bomb
B. Television
C. X-rays
D. Miner s safety lamp
Answer» B. Television
Discussion
134.

The size of the earth in the sequence of planets:
A. Fifth
B. Seventh
C. Third
D. Fourth
Answer» B. Seventh
Discussion
135.

Who invented the Locomotive Engine?
A. Richard Gatling
B. E.G. Otis
C. Richard Trevithick
D. Sir Humphry Davy
Answer» D. Sir Humphry Davy
Discussion
136.

The device that confirms the presence of electric charge:
A. Dynamo
B. Electroscope
C. Ammeter
D. Cryotron
Answer» C. Ammeter
Discussion
137.

Retinol is mainly related to ________.
A. Vitamin A
B. Vitamin B
C. Vitamin D
D. Vitamin E
Answer» B. Vitamin B
Discussion
138.

Fungi are plants that lack:
A. Carbon dioxide
B. Chlorophyll
C. Oxygen
D. None of these
Answer» C. Oxygen
Discussion
139.

Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?
A. Coulomb s Law
B. Pascal s Law
C. Stefan s Law
D. Hooke s Law
Answer» B. Pascal s Law
Discussion
140.

The method of protecting iron from rusting, by coating a thin layer of Zinc is called:
A. Oxydising
B. Chlorofication
C. Galvanizing
D. None of these
Answer» D. None of these
Discussion
141.

_______________ is not a type of heat transfer.
A. Diffusion
B. Reflection
C. Convection
D. Radiation
Answer» C. Convection
Discussion
142.

What makes a reptile a reptile?
A. Non-Hearing
B. Egg-laying
C. Cold blooded
D. Warm Blooded
Answer» C. Cold blooded
Discussion
143.

Histology is the study of:

A. Lever
B. Tissues
C. Haemoglobin
D. Bones
Answer» C. Haemoglobin
Discussion
144.

________________ is used as a stabilizer in ice cream.
A. Gelatin
B. Sugar
C. Milk
D. Strawberry
Answer» B. Sugar
Discussion
145.

Hydroponics is growing plant without____.
A. Fertilizers
B. Water
C. Soil
D. Seeds
Answer» D. Seeds
Discussion
146.

Which blood vessels have the smallest diameter?
A. Venules
B. Lymphatic
C. Capillaries
D. Arterioles
Answer» D. Arterioles
Discussion
147.

Activity of brain is recorded by _______.
A. MET
B. CT
C. ECG
D. EEG
Answer» E.
Discussion
148.

Who invented Rocket?
A. Rich K Goyle
B. E M Forster
C. Robert Goddard
D. James Anderson/
Answer» D. James Anderson/
Discussion
149.

Which among the following is not a unit of distance?
A. Light year
B. Longsec
C. Astronomical unit
D. Parsec
Answer» C. Astronomical unit
Discussion
150.

Instrument for measuring rainfall is called

A. Lucimeter
B. Galactometer
C. Hyetometer
D. Hygrometer
Answer» D. Hygrometer
Discussion