Previous year MCQs

General science UPPSC 1996 GS-I
Question

The Black Hole Theory was propounded by:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: S. Chandrashekhar

Detailed Solution:

The correct answer is “S. Chandrashekhar”.

S. Chandrasekhar made significant contributions to the understanding of stellar evolution and is credited with the theoretical work leading to the concept of black holes.

Similar Questions:

The number of images of an object placed between two parallel mirrors is:
  1. A) Two
  2. B) One
  3. C) Six
  4. D) Infinite
Match List-I with List-II and select the correct answer from the codes given below the lists:
List-I List-II

A. Plague - 1. Protozoa
B. AIDS - 2. Fungus
C. Baldness - 3. Virus
D. Malaria - 4. Bacteria

A B C D
  1. A) 1 2 3 4
  2. B) 2 3 4 1
  3. C) 3 4 1 2
  4. D) 4 3 2 1
Which one of the following is NOT found in space?
  1. A) Pulser
  2. B) Brittle Star
  3. C) Black Hole
  4. D) Quasar
The first Indian woman to have climbed Mt. Everest is:
  1. A) Bachendri Pal
  2. B) Dicky Dolma
  3. C) Santosh Yadav
  4. D) P. T. Usha
The polio virus enters the body through:
  1. A) Mosquito bites
  2. B) Contaminated food and water
  3. C) Saliva
  4. D) Dog bite
Einstein was honoured with Nobel Prize for
  1. A) Photoelectric effect
  2. B) Theory of Specific Heats
  3. C) Special Theory of Relativity
  4. D) Bose-Einstein Statistics
Which one of the following is not correctly matched?
  1. A) Decibel–unit of loudness of sound
  2. B) Horse power–unit of power
  3. C) Nautical mile–unit of distance in navigation
  4. D) Celsius–unit of heat
Assertion (A): Coal based thermal power stations contribute to acid rains.
Reason (R): Oxides of carbon are emitted when coal burns.

Select the correct answer using the code given below:
Code:
  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
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. A) Only A
  2. B) Only A and B
  3. C) Only B and C
  4. D) A, B and C
Which of the following pairs is NOT correctly matched?
  1. A) 1885 – Foundation of Indian National Congress
  2. B) 1905 – The Partition of Bengal
  3. C) 1909 – Morley-Minto Reforms
  4. D) 1930 – Non-co-operation Movement
The weight of any body is
  1. A) Same at every place on earth's surface
  2. B) Maximum at poles
  3. C) More on equator
  4. D) More on mountains than in planes
Site of gaseous exchange in lungs is:
  1. A) Tracheoles
  2. B) Bronchioles
  3. C) Pulmonary vein
  4. D) Alveoli