General science - Multiple Choice Questions (MCQs) – Page 8

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Recent MCQs

Television viewers using dish antenna to receive satellite signals do not receive signals during rain because:

(A) Of the small size of the antenna.
(B) Rain droplets absorb the energy of radio waves.
(C) Rain droplets disperse the energy of radio waves from their original direction.

Which of the above statements are correct?

  1. Only A
  2. Only A and B
  3. Only B and C
  4. A, B and C
General science

Assertion (A): Lighting a candle in space does not produce a flame.
Reason (R): A flame exists due to the pull of gravity.

In the context of the above, which one of the following is correct?

  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

How much is one barrel of oil approximately?

  1. 131 litres
  2. 159 litres
  3. 179 litres
  4. 201 litres
General science

Biological resurfacing is a recent surgical technique used to treat problems of:

  1. Knee joints
  2. Ankle joints
  3. Hip joints
  4. Vertebral joints
General science

The minimum distance of clear vision for a normal healthy eye of human being is supposed to be

  1. 50 cm
  2. 10 cm
  3. 15 cm
  4. 25 cm
General science

Cyclotrons are used to accelerate?

  1. Neutrons
  2. Protons
  3. Atoms
  4. Ions
General science

In which of the following conditions wet clothes will dry earliest?

  1. 100% RH, 60° C temperature
  2. 100% RH, 20° C temperature
  3. 20% RH, 20° C temperature
  4. 20% RH, 60° C temperature
General science

Image formed on Retina is:

  1. Equal to object but inverted
  2. Smaller than object but straight
  3. Smaller than object but inverted
  4. Equal to object but straight
General science

The Minamata disease of Japan in 1953 was caused by eating fish contaminated by:

  1. Nickel
  2. Lead
  3. Mercury
  4. Cadmium
General science

A sample of any of the following substances disappears after sometime when exposed to air like camphor, naphthalene or dry ice. This phenomenon is called:

  1. Sublimation
  2. Evaporation
  3. Diffusion
  4. Radiation
General science

Which kind of light waves are used in remote control of television:

  1. Visible light
  2. Infrared
  3. X-rays
  4. J-rays
General science

ELISA Test is used for which of the following?

  1. Diabetes
  2. Tuberculosis
  3. AIDS
  4. Gonorrhoea
General science

Which one of the following is a secretion from the body of an insect?

  1. Pearl
  2. Coral
  3. Lac
  4. Gum
General science

Given below are two statements one is labelled as Assertion (A) and the other as Reason (R).

Assertion (A): Phytoplankton grow in abundance in the limnetic zone.
Reason (R): Limnetic zone is open water zone.

Select the correct answer from the code given below:
Code:

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

What type of electromagnetic radiation is used in the remote control of a television?

  1. Infrared
  2. Ultraviolet
  3. Visible
  4. None of these
General science

Which of the following is a substance abundantly available in the sea and administered in a certain deficiency disease?

  1. Iron
  2. Vitamin A
  3. Fluorine
  4. Iodine
General science

Which of the following is a correct relationship between Fahrenheit ( F ) and Celsius (C ) degrees?

  1. C = 9/5 F + 32
  2. C= F – 273.15
  3. F = 9/5 C + 32
  4. F= C – 273.15
General science

Diabetes is the most common disorder associated with:

  1. Kidney
  2. Gall bladder
  3. Liver
  4. Pancreas
General science

The joint where the neck joins the head is:

  1. Pivotal joint
  2. Saddle joint
  3. Hinge joint
  4. Ball and socket joint
General science

Who had proposed for the first time the double helix model of DNA?

  1. Watson and Crick
  2. Fisher and Haldoni
  3. Lam ark and Darwin
  4. Hugo de Vries
General science

Transformer is used for

  1. Converting AC into DC
  2. Converting DC into AC
  3. To step up DC voltages
  4. To step up or step down AC voltages
General science

In National Parks, Genetic diversity is maintained by

  1. In-situ conservation
  2. Ex-situ conservation
  3. Genepool
  4. None of the above
General science

Einstein was honoured with Nobel Prize for

  1. Photoelectric effect
  2. Theory of Specific Heats
  3. Special Theory of Relativity
  4. Bose-Einstein Statistics
General science

Ultra-violet radiation from sun light causes the reaction that produce which of the following?

  1. CO
  2. SO2
  3. O3
  4. Fluorides
General science