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.

201.

What is the scientific name of Rice?

A. Triticum aestivum
B. Oryza sativa
C. Brassica capestris
D. Pisum sativum
Answer» C. Brassica capestris
202.

Which of the following non-metals are in liquid state at room temperature?

A. Carbon
B. Sulfur
C. Iodine
D. Bromine
Answer» E.
203.

In those alcohol tragedies that result in blindness etc., the harm factor is-

A. Methyl alcohol
B. Ethyl alcohol
C. acetylene
D. Ethyl alcohol
Answer» B. Ethyl alcohol
204.

Which of the following is not easily oxidized at high temperature?

A. Insulator
B. Alloy
C. Semi-conductor
D. conductor
Answer» C. Semi-conductor
205.

Which elements are caused by different colors of firecrackers-

A. Zinc and sulfur
B. Potassium and mercury
C. Stranium and Barium
D. Chromium and Nickel
Answer» D. Chromium and Nickel
206.

The flow of energy in an ecosystem follows the laws of

A. Probability
B. Photochemistry
C. Kinetics
D. Thermodynamics
Answer» E.
207.

Which of the following is the largest ecosystem in the world?

A. Ocean ecosystem
B. Forest ecosystem
C. Desert ecosystem
D. Grassland ecosystem
Answer» B. Forest ecosystem
208.

Mac Numbers are used in relation to velocity__.

A. Sound
B. Ship
C. Aircraft
D. Spacecraft
Answer» D. Spacecraft
209.

The nitrogenous base found in place of Thiamine in RNA molecule

A. Cytosine
B. Adenine
C. Uracil
D. Guanine
Answer» D. Guanine
210.

Honey is a major ingredient of

A. Glucose
B. Sucrose
C. Fructose
D. Maltose
Answer» D. Maltose
211.

Which of the following crops make the soil rich in nitrogen?

A. Sunflower
B. Sorghum
C. Peas
D. Potato
Answer» D. Potato
212.

Which form of energy does not cause pollution?

A. Coal
B. Atom
C. Solar
D. Petrol
Answer» D. Petrol
213.

Select the odd from the following.

A. J.L .Baird Television
B. J. Parkinson Penicillin
C. James Watt Steam Engine
D. A. G. Bell Telephone
Answer» D. A. G. Bell Telephone
214.

Which of the following represents a correct food chain?

A. Frog eagle insects grass snake
B. Grass insects frog snake eagle
C. Grass frog insects eagle snake
D. Frog snake insects grass eagle
Answer» C. Grass frog insects eagle snake
215.

A gas burning with blue flame is-

A. Hydrogen
B. Nitrogen
C. Carbon dioxide
D. Carbon monoxide
Answer» E.
216.

It is dangerous to have carbon monoxide in the atmosphere because

A. Decreases the organic matter of tissues.
B. Oxygen present in the body makes carbon dioxide.
C. Dry the blood.
D. Combining hemoglobin makes it unfit for oxygen absorption.
Answer» E.
217.

Ficus benghalensis is the scienti c name of _____________

A. Babul
B. Tulsi
C. Banyan
D. Pineapple
Answer» D. Pineapple
218.

The color of the stars is depending on?

A. Temperature
B. Distance
C. Radius
D. Atmospheric pressure
Answer» B. Distance
219.

Equus burchellii is the scienti c name of ___________

A. Buffalo
B. Ass
C. Horse
D. Zebra
Answer» E.
220.

Name of the branch of Gynecology in which scientific study of animal behavior is done

A. Anatomical science
B. Physiology
C. Ecology
D. Biological Ecology
Answer» D. Biological Ecology
221.

What is Chandrasekhar Limit-

A. 1.4 time of mass of the Sun
B. 1.4 times of volume of the Sun
C. 2 times of mass of the Earth
D. 1.5 times of mass of the moon
Answer» B. 1.4 times of volume of the Sun
222.

What is the use of radar?

A. Receiving signals from the radio receiver
B. Detect submarine
C. Detection of synchronous satellites
D. Identifying Remote objects
Answer» E.
223.

Which principle does the optical fiber work on?

A. Full internal reflection
B. Refraction
C. Scattering
D. Interference
Answer» B. Refraction
224.

Which type of mirror is used by dentists to see the larger image of the patient's teeth?

A. Flat
B. Concave
C. Flat
D. Convex
Answer» C. Flat
225.

Light travels at the fastest speed in

A. glass
B. water
C. hydrogen
D. vacuum
Answer» E.
226.

Who the following Scientist is associated with discovery of electron?

A. Galileo
B. J.J Thomson
C. Einstein
D. C.R.T Wilson
Answer» C. Einstein
227.

Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)-

A. Geiger counter
B. Polarimeter
C. Calorimeter
D. Radiometer
Answer» B. Polarimeter
228.

The electric current does not flow between two properly connected charged bodies if they are Having

A. Same charge
B. Same capacity
C. Same resistivity
D. Same potential
Answer» E.
229.

Which of the following is not a Natural fibre?

A. Starch
B. Cellulose
C. Rubber
D. Nylon-6
Answer» E.
230.

Which is the second-largest moon in our solar system?

A. Titan (Saturn moon)
B. Saturn moon
C. moons of Jupiter
D. moons Saturn
Answer» B. Saturn moon
231.

The only non-metal which is liquid at room temperature is

A. Mercury
B. Bromine
C. Chlorine
D. Gallium
Answer» C. Chlorine
232.

How many bones are found in children?

A. 206
B. 300
C. 304
D. 305
Answer» C. 304
233.

It is possible to store pollen grains of a large number of species for year s in-

A. Liquid hydrogen
B. Liquid oxygen
C. Solid hydrogen
D. Liquid nitrogen
Answer» E.
234.

X-rays are _________ waves.

A. Transverse
B. Longitudinal
C. Elastic
D. Electromagnetic
Answer» E.
235.

Persons suffering from myopia are advised to use

A. Convex lens
B. Concave lens
C. Plano-convex lens
D. Plano-concave lens
Answer» C. Plano-convex lens
236.

Light year is a unit of

A. Time
B. Distance
C. Speed of light
D. Intensity of light
Answer» C. Speed of light
237.

What is the basic unit of speed?

A. Kilometre/Minute
B. Metre/Minute
C. Kilometre/Hour
D. Metre/Second
Answer» E.
238.

Unit of solid angle is:

A. degree
B. radian
C. steradian
D. radian-second
Answer» D. radian-second
239.

Bernoulli s theorem is applicable to:

A. flow of liquids
B. viscosity
C. surface tension
D. static fluid pressure
Answer» B. viscosity
240.

The normal temperature of human body is

A. 37 C
B. 37 F
C. 104 F
D. 36.8 C
Answer» B. 37 F
241.

The ozone layer in the atmosphere is at a height of about

A. 25 km
B. 50 km
C. 100 km
D. 200 km
Answer» C. 100 km
242.

The ozone layer absorbs

A. infrared radiation
B. microwaves
C. radio wave
D. ultraviolet rays
Answer» E.
243.

The metal always found in free state is__

A. Gold
B. Sodium
C. Silver
D. copper
Answer» B. Sodium
244.

Petroleum is found-

A. On the surface of the earth
B. In the atmosphere
C. In arctic ocean
D. Deep under the surface of the earth
Answer» E.
245.

Ethanol containing 5% water is known as-

A. Absolute alcohol
B. Dilute alcohol
C. Power alcohol
D. Rectified spirit
Answer» E.
246.

Which proteins is main constituent of milk?

A. Casein
B. Insulin
C. Myosine
D. Keratin
Answer» B. Insulin
247.

Rickets is caused due to the deficiency of-

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer» E.
248.

Wine contains-

A. $$ CH_3OH $$
B. $$ C_2H_5OH $$
C. $$ C_6H_5OH $$
D. Glucose
Answer» C. $$ C_6H_5OH $$
249.

Which among the following can cause Encephalitis?

A. Only 1 & 2
B. Only 2 & 3
C. Only 1 & 3
D. 1, 2 & 3
Answer» E.
250.

When was the Space Commission established in India?

A. July 1972
B. July 1973
C. June 1972
D. June 1973
Answer» D. June 1973