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Doctors Medicines MCQs Q&A

  1. (A) - (iv), (B) - (ii), (C) - (i), (D) - (iii)
  2. (A) - (iii), (B) - (i), (C) - (ii), (D) - (iv)
  3. (A) - (i), (B) - (iv), (C) - (iii), (D) - (ii)
  4. (A) - (ii), (B) - (iii), (C) - (iv), (D) - (i)
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1 Answers

Option 4 : (A) - (ii), (B) - (iii), (C) - (iv), (D) - (i)

The correct answer is (A)- (ii), (B)- (iii), (C)- (iv), (D)- (i).

  • Earth's atmosphere has five layers.
  • These are:
    • Troposphere,
    • Stratosphere,
    • Mesosphere,
    • Thermosphere, and 
    • Exosphere
  • Troposphere is the lower most layer of the atmosphere.
  • Stratosphere contains ozone gas.
  • Most meteors burn up in Mesosphere.
  • Thermosphere helps in radio transmission.
  • Exosphere is the upper most layer of atmosphere.

 Thus, we can say that the above statements about the layers of atmosphere are correct. 

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