TNPSC Group 4 2025 General Studies Official Mock Test (Questions 181-200)

181. Which layer of the atmosphere contains the ozone layer that protects life on Earth from harmful ultraviolet radiation?

a. (A) Troposphere b. (B) Stratosphere c. (C) Mesosphere d. (D) Thermosphere

✓ Correct Answer: b. (B) Stratosphere