Previous year MCQs

General science UPPSC 1996 GS-I
Question

Relative humidity is measured by:

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Hygrometer

Detailed Solution:

The correct answer is “Hygrometer”.
Relative humidity (RH) is measured using a hygrometer, which is an instrument that measures the amount of water vapor in the air, soil, or confined spaces.

Similar Questions:

Which one of the following is a natural polymer?
  1. A) Bakelite
  2. B) Silk
  3. C) Kevlar
  4. D) Lexan
The diamond appears lustrous because of:
  1. A) Reflection
  2. B) Refraction
  3. C) Total Internal Reflection
  4. D) Scattering
Which kind of light waves are used in remote control of television:
  1. A) Visible light
  2. B) Infrared
  3. C) X-rays
  4. D) J-rays
Which one of the following is not property matched?
  1. A) Gene splicing & recombinant DNA technology - Genetic Engineering
  2. B) A diagnostic test to detect the presence or absence or genetic disorders in unborn child - Amniocentesis
  3. C) A process by which living organisms break down complex matter into simpler constituents – Biodegradation
  4. D) An inbuilt time-keeping system in all organisms – Bio-mass
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
Rajjuka’s were:
  1. A) Traders in the Chola Kingdom
  2. B) Officers in the Mauryan administration
  3. C) Feudal Lords in the Gupta empire
  4. D) Soldier in the Saka army
A sudden fall in barometer reading indicates that the weather will be:
  1. A) Calm and quiet
  2. B) Rainy
  3. C) Cool
  4. D) Stormy
Consider the following statements:

1. Fibre optics is based on the principle of total internal reflection.
2. In optical fibre communication system power consumption is extremely low.
3. Optical fibre communications are free from radio frequency interference.
4. In India, Reliance group of Industries is engaged in the manufacture of optical fibre.

Of these statements:
  1. A) 1, 2 and 3 are correct
  2. B) 1, 2 and 4 are correct
  3. C) 1, 3 and 4 are correct
  4. D) 2, 3 and 4 are correct
The most important part of a computer is
  1. A) CPU
  2. B) Key Board
  3. C) Disc
  4. D) Printer
Which one of the following is a "fish":
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  2. B) Cattle fish
  3. C) Flying fish
  4. D) Silver Fish
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R).

Assertion (A): Maximum number of the species of butterflies are found in tropical countries.
Reason (R): Butterflies can not tolerate low temperatures.

Select the correct answer using the codes given below:
Codes:
  1. A) Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. B) Both (A) and (R) are 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
Which one of the following materials contains calcium?
  1. A) China clay
  2. B) Corundum
  3. C) Gypsum
  4. D) Talc