Ozone shield is component of

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

Answer: Option B

Solution(By Examveda Team)

Ozone shield is component of Stratosphere.
The stratosphere is the second layer of the atmosphere of the Earth, located above the troposphere and below the mesosphere.
The stratosphere is an atmospheric layer composed of stratified temperature layers, with the warm layers of air high in the sky and the cool layers of air in the low sky, close to the planetary surface of the Earth.