Previous year MCQs

General science UPPSC 1993 GS-I
Question

Easily soluble in water is:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Ammonia

Detailed Solution:

The correct answer is “Ammonia”.
Ammonia (NH₃) dissolves readily in water to form ammonium hydroxide (NH₄OH).

Similar Questions:

Given below are two statements, one labelled as:

Assertion (A): Human body synthesises all the vitamins required by it.
Reason (R): Vitamins are essential for proper growth of the body.

Select the correct answer from the codes give below:
  1. A) Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. B) Both (A) and (R) re true but (R) is not the correct explanation of (A)
  3. C) (A) is true, but (R) is false
  4. D) (A) is false, but (R) is true
Super rice was developed by:
  1. A) M.S. Swaminathan
  2. B) G.S. Khush
  3. C) N.E. Borlaug
  4. D) P.K. Gupta
The drug obtained from the bark of cinchona, was used for treating malaria. The synthetic drug which replaced the natural product is:
  1. A) Chloromycetin
  2. B) Chloroquine
  3. C) Tetracycline
  4. D) Ampiciline
Toda is tribe which resides?
  1. A) In the mountains of Aravali
  2. B) In Madhya Pradesh
  3. C) In the mountains of Nilgiri
  4. D) In the mountains of Vindhyachal
The two planets having no satellites are:
  1. A) Earth and Jupiter
  2. B) Mercury and Venus
  3. C) Mercury and Saturn
  4. D) Venus and Mars
Meaning of computer virus is:
  1. A) A new virus
  2. B) Plague virus
  3. C) Malicious programme
  4. D) Hardware of computer
Highest wheat producing state in India is:
  1. A) Bihar
  2. B) Haryana
  3. C) Punjab
  4. D) Uttar Pradesh
What happens when some charge is placed on a soap bubble ?
  1. A) Its radius increases
  2. B) Its radius decreases
  3. C) The bubble collapses
  4. D) None of the above
The reason of mirage is
  1. A) Interference of light
  2. B) Diffraction of light
  3. C) Polarisation of light
  4. D) Total internal reflection of light
Which one of the following pairs is not correctly matched?
  1. A) Y2K - Computer
  2. B) Arthritis - Uric Acid
  3. C) Noise pollution - Decibel
  4. D) Param 10,000 - Land to land missile
Laser beam is used for:
  1. A) treatment of cancer
  2. B) treatment of heart
  3. C) treatment of eye
  4. D) treatment of kidney
Pencil lead is:
  1. A) graphite
  2. B) charcoal
  3. C) lamp blac
  4. D) coal