General science - Multiple Choice Questions (MCQs) – Page 22

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Recent MCQs

Which of the following material is bio-degradable ?

  1. Glass bottle
  2. Plastic cups
  3. Aluminium foil
  4. Wool
General science

Which one of the following gases is used for the purification of drinking water?

  1. Sulphur dioxide
  2. Chlorine
  3. Fluorine
  4. Carbon dioxide
General science

Thiamin is:

  1. Vitamin C
  2. Vitamin B2
  3. Vitamin B6
  4. Vitamin B1
General science

Which one of the following is not responsible for the depletion of ozone layer:

  1. CFC-12 used in refrigerators
  2. Methyl chloroform used as solvent
  3. HALON-1211 used in fire fighting
  4. Nitrous oxide
General science

The hypo solution used in photography is the aqueous solution of

  1. Sodium thiosulphate
  2. Sodium tetrahionate
  3. Sodium sulphate
  4. Ammonium per sulphate
General science

Which one of the following hormones stimulates pancreas for the production of digestive juice?

  1. Rennin
  2. Trypsin
  3. Secretin
  4. Pepsin
General science

The disease caused by swelling of the membrane over spinal cord and brain is:

  1. Leukaemia
  2. Paralysis
  3. Sclerosis
  4. Meningitis
General science

A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by:

  1. Conduction
  2. Convection and radiation
  3. Both (a) and (b)
  4. None of the above
General science

Given below are two statements:

Assertion [Al: Human body is incapable of digesting cellulose.
Reason [R]: Starch degrading enzyme, diastase, is found in the human body.

Choose the answer from the code given below:
Codes:

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

The mirror used by the dentists to see the teeth of the patients is:

  1. concave
  2. convex
  3. none of these
  4. plane
General science

Which of the following is not correctly matched ?

  1. Vitramin B6 - Rice Bran
  2. Vitamin B2 - Cod-liver oil
  3. Vitamin E - Wheat Germ Oil
  4. Vitamin K - Alfalafa
General science

A 'smart gel' is a:

  1. material mimicking life system
  2. gel obtained from fish
  3. gel obtained from the sea weed
  4. none of the above
General science

Which one of the following Noble Gases is not present in air?

  1. Helium
  2. Argon
  3. Radon
  4. Neon
General science

Photo chemical smog always contains

  1. Phosphorus
  2. Ozone
  3. Methane
  4. Aluminium ion
General science

Which one of the following forms an irreversible complex with haemoglobin of the blood?

  1. Carbon dioxide
  2. Pure Nitrogen gas
  3. Carbon monoxide
  4. A mixture of carbon dioxide and helium
General science

Which one of the following human organs is less susceptible to harmful radiations?

  1. Eyes
  2. Heart
  3. Brain
  4. Lungs
General science

Main function of Dynamo is?

  1. To convert the mechanical energy into electric energy
  2. To convert the electric into mechanical energy
  3. High potential producing equipment
  4. Low potential producing equipment
General science

Which one of the following is not correctly matched:

  1. Isobar - atmospheric pressure
  2. Isohyet - Rainfall
  3. Isoheline - snowfall
  4. Isobath - depth
General science

Which of the following leguminous plant is also a petro-plant?

  1. Pigeon-pea
  2. Pea
  3. Gram
  4. Pongam
General science

The radar is used for:

  1. detecting objects lightwaves
  2. detecting objects by reflection of sound waves
  3. determining the position of objects by radio waves
  4. following rain clouds
General science

Pressure inside a soap bubble is:

  1. More than atmospheric pressure
  2. Less than atmospheric pressure
  3. Equal to atmospheric pressure
  4. Half of atmospheric pressure
General science

Among the following greenhouse gases, which does not cause ozone pollution in troposphere?

  1. Methane
  2. Carbon mono-oxide
  3. Nitrogen oxides (NOX)
  4. Water vapours
General science

A fluorescent tube is preferred to an electric bulb because:

  1. It has a larger light emitting surface
  2. Voltage fluctuations do not affect it
  3. In a tube electrical energy is almost full converted into light.
  4. None of the above
General science

Which of the following is NOT correctly matched ?

  1. Acid present in vinegar - Acetic acid
  2. Compound present in bones - Calcium phosphate
  3. Souring of milk - Nitric acid
  4. Acid present in gastric juice - Hydrochloric acid
General science