General science - Multiple Choice Questions (MCQs) – Page 3

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Recent MCQs

Maximum temperature inside pressure cooker depends on:

  1. Area of hole on die top and weight kept on it
  2. Area of hole on the top and food being cooked
  3. Weight kept on hole at top and food being cooked
  4. Area of hole on the top only
General science

The unit of work is:

  1. Joule
  2. Newton
  3. Watt
  4. Dyne
General science

The device used for converting alternating current to direct current is called

  1. Inverter
  2. Rectifier
  3. Transformer
  4. Transmeter
General science

Which among the following is the most abundantly found element in the world?

  1. Hydrogen
  2. Oxygen
  3. Nitrogen
  4. Carbon
General science

"Pyrheliometer' is used for measuring:

  1. Sun spots
  2. Air temperature
  3. Solar radiation
  4. Temperature of plants
General science

It is difficult to walk on ice than on road because:

  1. Ice is harder than road
  2. Road is harder than ice
  3. Ice does not offer any reaction when we push it with our foot
  4. Ice has a lesser friction than road
General science

Consider the following statements about haemoglobin:

1. It contains iron
2. It is a carrier of oxygen in the blood.
3. It imparts red colour to the blood.
4. It provides immunity against certain diseases.

Of these statements:

  1. 1, 2 and 4 are correct
  2. 1, 2 and 3 are correct
  3. 2, 3 and 4 are correct
  4. 1, 3 and 4 are correct
General science

What amongst the following is responsible for formation of stone in human kidney?

  1. Calcium acetate
  2. Calcium oxalate
  3. Sodium acetate
  4. Sodium Benzoate
General science

Double-helical structure of DNA was given by whom ?

  1. Jacob and Monod
  2. Watson and Crick
  3. H.G. Khorana
  4. None of the above
General science

In which of the following types of heat engines carburettor is used ?

  1. Both diesel and petrol engines
  2. Steam engine
  3. Petrol engine
  4. Diesel engine
General science

Which of the following particles has zero charge?

  1. Positron
  2. Neutrino
  3. Electron
  4. a-particle
General science

Laser beam is used for:

  1. treatment of cancer
  2. treatment of heart
  3. treatment of eye
  4. treatment of kidney
General science

The planet nearest to the earth is:

  1. Mercury
  2. Venus
  3. Mars
  4. Jupiter
General science

Computer virus is a

  1. fungus
  2. bacterium
  3. IC 7344
  4. Software program
General science

Milk is an example of:

  1. Foam
  2. Sol
  3. Aerosol
  4. Emulsion
General science

If the doors of a refrigerator are left open for a few hours, the room temperature:

  1. will decrease
  2. will increase
  3. will remain the same
  4. will decrease only in the area in the vicinity of the refrigerator
General science

The alkaloid caffeine is present in

  1. Tea only
  2. Coffee only
  3. Tea and coffee both
  4. Lemon water
General science

Which gas leaked out, in the Bhopal Gas Tragedy Causing numerous deaths?

  1. Chlorine
  2. M.I.C
  3. Ammonia
  4. Phosgene
General science

Which compound present in D.N.A. does not form amino acid?

1) Adenine
2) Tyrosine
3) Guanine
4) Cystosine

  1. 1 and 2
  2. 1 and 3
  3. 2, 3 and 4
  4. 2 and 3
General science

The important metal used with iron to produce stainless steel is:

  1. aluminium
  2. chromium
  3. tin
  4. carbon
General science

The only vein that carries oxygenated blood is:

  1. Pulmonary vein
  2. Cystic vein
  3. Cardiac vein
  4. Hepatic Portal vein
General science

Which one of the following pairs is not correctly matched?
Hormone - Function

  1. Insulin - Regulation of blood glucose
  2. Melatonin - Regulation of sleep
  3. Oxytocin - Release of milk from mammary glands
  4. Gastrin - Regulation of blood pressure
General science

The maximum concentration of ozone is found in which of the following?

  1. Troposphere
  2. Mesosphere
  3. Stratosphere
  4. Exosphere
General science

Seaweeds are important source of

  1. Iodine
  2. Bromine
  3. Chlorine
  4. Argon
General science