Previous year MCQs

General science UPPSC 1997 GS-I
Question

The Ozone layer in the atmosphere:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Protects life on earth from ultraviolet radiation

Detailed Solution:

The correct answer is “Protects life on earth from ultraviolet radiation”.
The Ozone layer in the atmosphere:

Similar Questions:

The dengue fever is caused by the bite of which of the following mosquitoes ?
  1. A) Asian tiger mosquito
  2. B) Aedes
  3. C) Culex
  4. D) Anopheles
Who among the following ran "Congress Radio" during the "Quit-India" movement?
  1. A) Aruna Asaf Ali
  2. B) Jai Prakash Narayan
  3. C) Usha Mehta
  4. D) None of the above
Neutron was discovered by:
  1. A) Chadwick
  2. B) Rutherford
  3. C) Bohr
  4. D) Newton
The Bermuda triangle lies in:
  1. A) North Atlantic Ocean
  2. B) South Atlantic Ocean
  3. C) North Pacific Ocean
  4. D) South Pacific Ocean
When doctor tells a person that he/she has been affected with tetraplegia, it means that he/she is suffering from paralysis of:
  1. A) right hand only
  2. B) left hand only
  3. C) his both legs only
  4. D) both hands and both legs
Wireless communication is reflected to earth’s surface by
  1. A) Troposphere
  2. B) Stratosphere
  3. C) Ionosphere
  4. D) Exosphere
Arrange the following substances in chronological order of their first synthesis in lab:

1. Black gold
2. Fullerene
3. Graphene
4. Kevlar

Select correct answer from the codes given below:
Codes:
  1. A) 1 2 3 4
  2. B) 4 2 3 1
  3. C) 2 4 3 1
  4. D) 4 1 2 3
Which one of the following is not the genetic disease?
  1. A) Night blindness
  2. B) Haemophilia
  3. C) Albinism
  4. D) Colour blindness
The rain-drops are spherical because:
  1. A) they fall from big height
  2. B) the air has resistance
  3. C) the water has surface tension
  4. D) none of the above
Which one of the following is a water borne disease?
  1. A) Small pox
  2. B) Malaria
  3. C) Cholera
  4. D) Tuberculosis
Deficiency of iodine causes:
  1. A) Night Blindness
  2. B) Cancer
  3. C) Goiter
  4. D) Osteoporosis
Which one of the following is not correctly matched?
  1. A) Manometer–Pressure
  2. B) Carburetor–Internal combustion engine
  3. C) Cardiograph–Heart movement
  4. D) Seismometer–Curvature of surface