General science - Multiple Choice Questions (MCQs) – Page 12

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Recent MCQs

The brain is responsible for

  1. thinking
  2. regulating the heartbeat
  3. balancing the body
  4. All of the above three
General science

In an earthen pitcher, the water remains cold due to the process of

  1. condensation
  2. evaporation
  3. sublimation
  4. none of the above
General science

The working principle of atom bomb is nuclear fission of uranium and the working principle of hydrogen bomb is:

  1. nuclear fusion of deuterium
  2. nuclear fission of thorium
  3. explosion of bomb involving hydrogen gas
  4. explosion involving dynamite and T.N.T.
General science

Which one of the following is a natural polymer?

  1. Bakelite
  2. Silk
  3. Kevlar
  4. Lexan
General science

Which one of the following is the main constituent of LPG ?

  1. Hexane
  2. Pentane
  3. Butane
  4. Methane
General science

The Black Hole Theory was propounded by:

  1. CV Raman
  2. H.J Bhabha
  3. S. Chandrashekhar
  4. Hargovind Khurana
General science

Polythene bags cannot be destroyed because it is made:

  1. From Non degradable substances
  2. From inorganic compounds
  3. From polymers
  4. From protein
General science

Some marine animals and insects emit light from their body in darkness. This phenomenon is known as.

  1. Phosphorescence
  2. Bioluminescence
  3. Both (a) and (b)
  4. None of these
General science

In Celsius and Fahrenheit thermometers, the two show equal readings of temperature at:

  1. – 40°
  2. 0º
  3. 32°
  4. 100°
General science

Match List-I with List-II and select the correct answer by using the codes given below the lists:
List-I List-II

A. EEG - 1. Muscle
B. ECG - 2. Eye
C. EOG - 3. Brain
D. EMG - 4. Heart

Code:
A B C D

  1. 1 2 3 4
  2. 3 4 2 1
  3. 2 3 4 1
  4. 4 3 1 2
General science

Match lists-I and List-II and select the correct answer from the code given below:
List-I (Physical Quantities) - List-II (Units)

A. Acceleration - 1. Joule
B. Force - 2. Newton-second
C. Work done - 3. Newton
D. Impulse - 4. Metre/Second2

Code:
A B C D

  1. 1 2 3 4
  2. 2 3 4 1
  3. 3 4 1 2
  4. 4 3 1 2
General science

Laser is a device for producing

  1. spontaneous radiation
  2. dispersed radiation
  3. scattered radiation
  4. stimulated radiation
General science

Expansion during heating

  1. Occurs only in solid
  2. Increases the weight of the material
  3. Decreases the density of the material
  4. Occurs at the same rate for all liquids and solids
General science

Assertion 'A' and Reason 'R' are given below. Study them and choose the correct answer from the codes given below:

Assertion (A): Lightning conductors prevent buildings from damages.
Reason (R): It passes the charge to the earth.

Codes:

  1. Both A and R are true and R is the correct explanation of A
  2. Both A and R are true but R is not the correct explanation of A
  3. A is true but R is false
  4. A is false but R is true
General science

Thermodynamically the most stable form of carbon is

  1. Coal
  2. Fullerenes
  3. Graphite
  4. Diamond
General science

In which of the following departments of a hospital will 'Cath lab' be found?

  1. Pathology
  2. Surgery
  3. Cardiology
  4. Nuclear Medicine
General science

Assertion (A): Detergents easily remove oil and dirt from soiled garments.
Reason (R): Detergents increase the surface tension of water.

  1. Both A and R are true and R is the correct explanation of A
  2. Both A and R are true but R is not the correct explanation of A
  3. A is true but R is false
  4. A is false but R is true
General science

Which one of the following is NOT common between Malaria and Dengue?

  1. Fever
  2. Mosquito bite
  3. Human species
  4. Mosquito species
General science

Which one of the following is not a natural polymer:

  1. wool
  2. silk
  3. leather
  4. nylon
General science

Bacteria can be seen by:

  1. Naked eye
  2. Compound microscope
  3. Hand lens
  4. Electron microscope
General science

Desert plants have longer root system because:

  1. High temperature of the soil encourages root growth
  2. Root grow in search of water
  3. Soil does not contain water, hence becomes compact and presses the roots to grow longer
  4. Roots move opposite to the solar heat
General science

The temperature for keep food fresh in the refrigerator is:

  1. 4°C
  2. 8°C
  3. 0°C
  4. 10°C
General science

Sulpha drug is which of the following types of drug?

  1. Antiseptic
  2. Analgesics
  3. Antipyretic
  4. Antibacterial
General science

Which of the following is found in the composition of vitamin D?

  1. Retinal
  2. Folic acid
  3. Ascorbic acid
  4. Calciferol
General science