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.

501.

Who suggested that most of the mass of the atom is located in the nucleus?

A. Chadwick
B. Dalton
C. Thompson
D. Rutherford
Answer» E.
502.

What is the study of population called?

A. Map art
B. Human science
C. Demography
D. Biography
Answer» D. Biography
503.

In Ecosystem the primary producer is

A. Female
B. male
C. Plant
D. Bacteria
Answer» D. Bacteria
504.

Species which has restricted distribution is called

A. Eco species
B. Endemic
C. Sympatric
D. Allopatric
Answer» C. Sympatric
505.

A mixture of water and alcohol can be separated by

A. Filtration
B. Evaporation
C. Decantation
D. Distillation
Answer» E.
506.

Acid rain is caused due to pollution of atmosphere by

A. oxides of carbon and nitrogen
B. oxides of nitrogen and Sulphur
C. oxides of nitrogen and phosphorous
D. None of these
Answer» C. oxides of nitrogen and phosphorous
507.

Read following statement carefully and answer which statement is not correct about Venus-

A. Venus rotates west to east on its axis
B. Venus is known as morning star
C. it is the hottest planet of solar family as well as it is known as shining star.
D. venus is known as Godess of love in Greek.
Answer» B. Venus is known as morning star
508.

Who gave theory of Big Bang?

A. Sir Peter Hicks
B. Satendra Nath Bose
C. George Lamenter
D. Subramanyam Chandrasekhar
Answer» D. Subramanyam Chandrasekhar
509.

Hydrogen bomb was developed by

A. Edward Teller
B. Bernor Bon Bron
C. J. Robert opan Heemar
D. Samual Cohen
Answer» B. Bernor Bon Bron
510.

Wrist bones are known as?

A. Carpal Bones
B. Metacarpal Bones
C. Phalanges
D. None
Answer» B. Metacarpal Bones
511.

Buoyant Force depends on

A. Size of the body
B. Size of Volume
C. Density of liquid
D. All the above
Answer» E.
512.

Purity of a metal can be determined with the help of

A. Pascal's law
B. Boyle's law
C. Archimedes principle
D. Principle of mass conservation
Answer» D. Principle of mass conservation
513.

Which of the following is an emergency hormone in humans?

A. Thyroxin
B. Insulin
C. Adrenalin
D. Progesterone
Answer» D. Progesterone
514.

Crooke's tube is used to produce

A. Radio waves
B. Micro waves
C. X - rays
D. Gama rays
Answer» D. Gama rays
515.

Which term is not associated with sound wave?

A. Hertz
B. Decibel
C. Candela
D. Mach
Answer» D. Mach
516.

Gunpowder consists of a mixture of :

A. Sand and TNT
B. TNT and charcoal
C. Calcium, Sulphur and charcoal
D. Sulphur, potassium nitrate and charcoal
Answer» E.
517.

Photon is the fundamental unit/quantum of :

A. Gravitation
B. Electricity
C. Magnetism
D. Light
Answer» E.
518.

Which of the following metals occurs in Free State?

A. Copper
B. Iron
C. Zinc
D. Lead
Answer» B. Iron
519.

Which is a water-soluble Vitamin?

A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer» C. Vitamin D
520.

Energy travels from Sun to Earth through

A. Conduction
B. Convection
C. Radiation
D. Modulation
Answer» D. Modulation
521.

What the full from is of AM regarding to radio broadcasting?

A. Amplitude Movement
B. Anywhere Movement
C. Amplitude Matching
D. Amplitude Modulation
Answer» E.
522.

Hepatitis affects which organ of the human body?

A. Liver
B. Pancreas
C. Spleen
D. Small intestine
Answer» B. Pancreas
523.

Which of the following brings back deoxygenated blood from different parts of human body to heart?

A. Veins
B. Arteries
C. Nerves
D. Lungs
Answer» B. Arteries
524.

If an electron and a photon have the same wavelength, then they will have the same

A. velocity
B. Linear momentum
C. Angular momentum
D. Energy
Answer» C. Angular momentum
525.

Which of the following acids are formed during the formation of curd from milk?

A. Acetic acid
B. Ascorbic acid
C. Citric acid
D. Lactic acid
Answer» E.
526.

Consider the following statements:

A. Photosynthesis occurs during day time only.
B. Respiration takes place both day and night.
C. Neither A nor B are correct.
D. Both A and B are correct.
Answer» E.
527.

Which gas is produced when the dilute acids are reacted with metals?

A. Hydrogen
B. nitrogen
C. Carbon dioxide
D. Oxygen
Answer» B. nitrogen
528.

Drivers have mirrors on the bus?

A. concave mirror
B. normal mirror
C. convex mirror
D. Camera
Answer» D. Camera
529.

What are the main colors in photography?

A. Red, Blue, Yellow
B. Red, Yellow, Green
C. Blue, Yellow, Green
D. Red, Blue, Green
Answer» E.
530.

What are the units of electrical conductivity?

A. Minutes
B. Dimension
C. Speed
D. Maho
Answer» E.
531.

Dr. K.S. Chugh passed away recently. In India, he is known as father of

A. Nephrology
B. Cardiology
C. Neurology
D. Gastroenterology
E. Hematology
Answer» B. Cardiology
532.

Who is thought to have invented the thermo scope?

A. Galileo Galilei
B. Copernicus
C. Isaac Newton
D. J. Kepler
Answer» B. Copernicus
533.

Which of the following outstanding contribution in Physics is associated with the Scientist Newton?

A. Discovery of Calculus
B. Laws of Motion
C. Universal gravitational law
D. All of the above
Answer» E.
534.

Who among the following Scientist is associated with discovery of electron?

A. Galileo
B. C.R.T Wilson
C. Einstein
D. J.J Thomson
Answer» E.
535.

Which acid is also known as the king of the acids?

A. Hydrochloric acids
B. Citric Acids
C. Sulphuric Acids
D. Acetic acids
Answer» D. Acetic acids
536.

_______is used for artificial rain

A. Silver Chloride
B. Silver Iodide
C. Silver Nitrate
D. Silver Oxide
Answer» C. Silver Nitrate
537.

Iron is obtained by which of the following minerals?

A. Limestone
B. Pitch Bland
C. Monozite sand
D. Hematite
Answer» E.
538.

On the day of 21 July 1969, who created a new history by setting foot on the moon.

A. Yuri Gagarin and Neil Armstrong
B. Neil Armstrong and Edwin Aldrin
C. Yuri Gagarin and Edwin Aldrin
D. Rakesh Sharma
Answer» C. Yuri Gagarin and Edwin Aldrin
539.

Who was the first Indian astronaut-

A. Rakesh Sharma
B. Yuri Gagarin
C. Kalpana Chawla
D. Sunita Williams
Answer» B. Yuri Gagarin
540.

The major component of natural gas is-

A. Methane
B. Ethane
C. Butane
D. Hydrogen
Answer» B. Ethane
541.

Maximum density of water is-

A. 0 C
B. 100 C
C. 25 C
D. 4 C
Answer» E.
542.

The reason for permanent hardness of water is-

A. Carbonates of calcium and magnesium
B. Bicarbonates of calcium and magnesium
C. Chloride and sulfate of calcium and magnesium
D. None of the above
Answer» D. None of the above
543.

Which chemical is used in making artificial rainfall?

A. Sodium iodide
B. Silver bromide
C. Ethylene bromide
D. Silver iodide
Answer» E.
544.

The number of neutrons in 13Al27 is

A. 14
B. 13
C. 40
D. 27
Answer» B. 13
545.

Doldrums are characterized by

A. High wind velocity
B. Low humidity
C. Uniform low pressure
D. Uniform high pressure
Answer» D. Uniform high pressure
546.

Who invented Vacuum Flask?

A. Gregory Pincus
B. James Dewar
C. Charles Babbage
D. Alexander Fleming
Answer» C. Charles Babbage
547.

Instrument for measuring light intensity is called

A. Lucimeter
B. Cryometer
C. Cyanometer
D. Barometer
Answer» B. Cryometer
548.

The mirror used in vehicles is called

A. Convex
B. Concave
C. Plane
D. None of these
Answer» B. Concave
549.

Which colour of light is deviated least?

A. Red
B. Blue
C. Violet
D. Green
Answer» B. Blue
550.

What are a group of Dolphins called?

A. Gang
B. Pod
C. Colony
D. Sleuth
Answer» C. Colony