Explore topic-wise MCQs in General Knowledge.

This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

196101.

Which one of the following statements regarding starch and cellulose is NOT correct ?

A. Both of them are of plant origin
B. Both of them are polymers
C. Both of them give colour with iodine
D. Both of them are made up of glucose molecules
Answer» D. Both of them are made up of glucose molecules
196102.

Directions: The following items consist of two statements, one labelled as the 'Assertion (A)' and the other as 'Reason(R)'. You are to examine these two statements carefully and select the answer to these items using the codes given below : Assertion (A) : Sodium metal is stored under Kerosene.Reason (R) : Metallic sodium melts when exposed to air.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» D. A is false but R is true
196103.

Directions: The following items consist of two statements, one labelled as the 'Assertion (A)' and the other as 'Reason(R)'. You are to examine these two statements carefully and select the answer to these items using the codes given below : Assertion (A) : Phenyl is used as a household germicide.Reason (R) : Phenyl is a phenol derivative and phenol is an effective germicide

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» B. Both A and R are true but R is NOT the correct explanation of A
196104.

Match List-I with List-II and select the correct answer using the codes given below the lists: List-I List-IIA. Potassium bromide 1. Fertiliser B. Potassium nitrate 2. Photography C. Potassium sulphate 3. Bakery D. Monopotassium tartarate 4. Gunpowder

A. A-(2),B-(4),C-(1),D-(3)
B. A-(2),B-(4),C-(3),D-(1)
C. A-(4),B-(2),C-(3),D-(1)
D. A-(4),B-(2),C-(1),D-(3)
Answer» B. A-(2),B-(4),C-(3),D-(1)
196105.

Directions: The following items consist of two statements, one labelled as the 'Assertion (A)' and the other as 'Reason(R)'. You are to examine these two statements carefully and select the answer to these items using the codes given below :Assertion (A) : Formic acid is a stronger acid than acetic acid.Reason (R) : Formic acid is an organic acid.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» C. A is true but R is false
196106.

Consider the following statements:Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to 1. Act as a reducing agent.2. Remove silica associated with the iron ore.3. Function as fuel to supply heat.4. Act as an oxidizing agent

A. 1 and 2 are correct
B. 2 and 4 are correct
C. 1 and 3 are correct
D. 3 and 4 are correct
Answer» D. 3 and 4 are correct
196107.

Which one of the following is used as an antifreeze for the automobile engines ?

A. Propyl alcohol
B. Ethanol
C. Methanol
D. Ethylene glycol
Answer» E.
196108.

The alpha particle carries two positive charges. Its mass is very nearly equal to that of

A. Two protons
B. An atom helium
C. Sum of masses of two positrons and two neutrons
D. Two positron as each positron carries a single positive charge
Answer» C. Sum of masses of two positrons and two neutrons
196109.

Which one of the following fuels causes minimum environmental pollution ?

A. Diesel
B. Coal
C. Hydrogen
D. Kerosene
Answer» D. Kerosene
196110.

Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance ?

A. Aluminium
B. Chromium
C. Nickel
D. Tungsten
Answer» C. Nickel
196111.

which one of the following is a mixed fertilizer

A. Urea
B. CAM
C. Ammonium Sulphate
D. NPK
Answer» E.
196112.

Directions: The following items consist of two statements, one labelled as the 'Assertion (A)' and the other as 'Reason(R)'. You are to examine these two statements carefully and select the answer to these items using the codes given below : Assertion (A) : The boiling point of water decreases as the altitude increases.Reason (R) : The atmospheric pressure increases with altitude.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» D. A is false but R is true
196113.

Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights,electric shavers etc. ?

A. Nickel and cadmium
B. Zinc and carbon
C. Lead peroxide and lead
D. Iron and cadmium
Answer» B. Zinc and carbon
196114.

The chemical used as a 'fixer ' in photography is

A. Sodium sulphate
B. Sodium thiosulphate
C. Ammonium persulphate
D. Borax
Answer» C. Ammonium persulphate
196115.

Which one of the following polymers is widely used for making bullet proof material ?

A. Polyvinylchloride
B. Polyamides
C. Polyethylene
D. Polycarbonates
Answer» E.
196116.

Directions: The following items consist of two statements, one labelled as the 'Assertion (A)' and the other as 'Reason(R)'. You are to examine these two statements carefully and select the answer to these items using the codes given below : Assertion (A) : A piece of copper and a piece of glass are heated to the same temperature. When touched, there-after the copper piece appears hotter than the glass piece. Reason (R) : The density of copper is more than that of glass.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» C. A is true but R is false
196117.

Directions: The following items consist of two statements, one labelled as the 'Assertion (A)' and the other as 'Reason(R)'. You are to examine these two statements carefully and select the answer to these items using the codes given below : Assertion (A) : A stick is dipped in water in a slanting position. If observed sideways, the stick appears short and bent at the surface of water. Reason (R) : The light coming from the stick undergoes scattering from water molecules giving the stick a short and bent appearance

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» D. A is false but R is true
196118.

Assertion (A) : An iron ball floats on mercury but gets immersed in water.Reason (R) : The specific gravity of iron is more than that of mercury.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» D. A is false but R is true
196119.

Asseration (A) : A jet aircraft moving at Mach Number equal to 1 travels faster at an altitude of 15 km than while moving at Mach Number equal to 1 near the sea level.Reason (R) : The velocity of sound depends on the temperature of the surrounding medium.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» B. Both A and R are true but R is NOT the correct explanation of A
196120.

Assertion (A) : In the visible spectrum of light, red light is more energetic than green light.Reason (R) : The wavelength of red light is more than that of green light.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» B. Both A and R are true but R is NOT the correct explanation of A
196121.

Directions: The following items consist of two statements, one labelled as the 'Assertion (A)' and the other as 'Reason(R)'. You are to examine these two statements carefully and select the answer to these items using the codes given below : Assertion (A) : The weight of a body decreases with the increase of latitude on earth.Reason (R) : The earth is not a perfect sphere.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» E.
196122.

Assertion (A) : Radio waves bend in a magnetic field.Reason (R) : Radio waves are electromagnetic in nature.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» B. Both A and R are true but R is NOT the correct explanation of A
196123.

Assertion (A) : Artificial satellites are always launched from the earth in the eastward direction Reason (R) : The earth rotates from west to east and so the satellite attains the escape velocity.

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» B. Both A and R are true but R is NOT the correct explanation of A
196124.

The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason ?

A. Ice is a bad conductor of heat
B. Since the surface of the lake is at the same temperature as the air, no heat is lost
C. The density of water is maximum at 4 Degree C
D. None of the statements (a),(b),(c) given above is correct
Answer» B. Since the surface of the lake is at the same temperature as the air, no heat is lost
196125.

Who of the following scientists proved that the stars with mass less than 1.44 times the mass of the Sun end up as White Dwarfs when they die ?

A. Edwin Hubble
B. S. Chandrashekhar
C. Stephen Hawking
D. Steven Weinberg
Answer» C. Stephen Hawking
196126.

What the principle by which a cooling system (Radiator ) in a motor car works ?

A. Conduction only
B. Convection
C. Radiation only
D. Both Conduction u0026 radiation
Answer» C. Radiation only
196127.

Which one among the following has the highest energy ?

A. Blue light
B. Green light
C. Red light
D. Yellow light
Answer» B. Green light
196128.

Which one of the following types of waves are used in a night vision apparatus ?

A. Radio waves
B. Microwaves
C. Infra-red waves
D. None of the above
Answer» D. None of the above
196129.

In a dry cell (battery), Which of the following are used as electrolytes ?

A. Ammonium chloride and zinc chloride
B. Sodium chloride and calciumchloride
C. Magnesiumchloride and zincchloride
D. Ammonium chloride and calciumchloride
Answer» D. Ammonium chloride and calciumchloride
196130.

Consider the following statements:1. A widely used musical scale called diatonic scale has seven frequencies.2. The frequency of the note Sa is 256 Hz and that of Nifty is 512 HzWhich of the statements given above is/are correct ?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» B. 2 only
196131.

A person is sitting in a car which is at rest. The reaction from the road at each of the four wheels of the car is R. When the car runs on a straight level road,how will the reaction at either of the front wheels vary ?

A. It will begreater than R
B. It will be less than R
C. It will be equal to R
D. It shall depend on the material of the road
Answer» C. It will be equal to R
196132.

Three identical vessels A,B and C are filled with water,mercury and kerosene respectively up to an equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simultaneously, then which vessel is emptied first ?

A. Vessel B
B. All the vessels A,B and C will be emptied simultaneously
C. Vessel A
D. Vessel C
Answer» E.
196133.

Who among the following discovered heavy water ?

A. Heinrich Hertz
B. H C Urey
C. G Mendel
D. Joseph Priestley
Answer» C. G Mendel
196134.

Which one of the following parts of the pitcher plant becomes modified into a pitcher ?

A. Stem
B. Leaf
C. Stipule
D. Petiole
Answer» C. Stipule
196135.

Which one of the following laser types is used in a laser printer ?

A. Dye laser
B. Gas laser
C. Semiconductor laser
D. Excimer laser
Answer» D. Excimer laser
196136.

Consider the following statements:1. A flute of smaller length produces waves of lower frequecy.2. Sound travels in rocks in the form of longitudinal elastic waves only.Which of the statements given above is/are correct ?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» C. Both 1 and 2
196137.

Consider the following statements:1. If magenta and yellow coloured circles intersect, the intersected area will have red colour.2. If cyan and magenta coloured circles intersect,the intersected area will have blue colourWhich of the statements given above is/are correct ?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» D. Neither 1 nor 2
196138.

Which one of the following is printed on a commonly used fluorescent tubelight ?

A. 220 K
B. 273 K
C. 6500 K
D. 9000 K
Answer» D. 9000 K
196139.

Four wires of some material and of dimensions as under are stretched by a load of same magnitude separately. Which one of them will be elongated maximum ?

A. Wire of 1 m length and 2 mm diameter
B. Wire of 2 m length and 2 mm diameter
C. Wire of 3 m length and 1.5 mm diameter
D. Wire of 1 m length and 1 mm diameter
Answer» D. Wire of 1 m length and 1 mm diameter
196140.

In which one among the following is the speed of sound maximum ?

A. Air at 0 Degree C
B. Air at 100 Degree C
C. Water
D. Wood
Answer» E.
196141.

What does the term 'Dolby B' or'Dolby C' printed on tape recorders and other sound systems refer to ?

A. Frequency modulated system
B. Amplitude modulated system
C. Noise reduction circuit
D. Both DC and AC power can be used
Answer» D. Both DC and AC power can be used
196142.

Consider the following statements:1. A geostationary satellite is at an approximate height of 10000 km.2. FM transmission of music is of very good quality because the atmospheric or man-made noises which are generally frequent variations can do little harm.Which of the statements given above is/are correct ?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» C. Both 1 and 2
196143.

Who among the following invented Lasers ?

A. Theodore Maiman
B. Denis Papin
C. William Moton
D. Francis Crick
Answer» B. Denis Papin
196144.

Mass Nesting of Olive Ridley Turtles takes place along which Rivers

A. Tapi and Narmada
B. Godavari
C. Mahanadi
D. Rushikulya and Devi Rivers
Answer» E.
196145.

What is the order of magnitude of electric resistance of the human body (dry)

A. 10^2 ohm
B. 10^4 ohm
C. 10^6 ohm
D. 10^8 ohm
Answer» D. 10^8 ohm
196146.

3rd Indian Panorama Film Festival is being held in

A. Kolkata
B. Kohima
C. Shillong
D. Aizawl
Answer» D. Aizawl
196147.

According to Ministry of Corporate Affairs which company is the largest corporate of India for 2014

A. HDFC
B. Reliance Industries Limited
C. IOCL
D. BPCL
Answer» C. IOCL
196148.

Mass nesting of Olive Ridley Turtles in India happens over

A. Kerala Coast
B. Karnataka Coast
C. Maharashtra Coast
D. Odisha Coast
Answer» E.
196149.

Famous Personality Patrick Pichette has announced his retirement, he was?

A. Movie Director
B. FacebookChief Financial Officer
C. Google Chief Financial Officer
D. Photographer
Answer» D. Photographer
196150.

Which of the following country will host AFC Asian Cup 2019 for football

A. Japan
B. India
C. Pakistan
D. UAE
Answer» E.