Atmosphere - GS questions based on daily current affairs

1)   Aurora Borealis (northern lights) occurs in

a. Troposphere
b. Mesosphere
c. Exosphere
d. Thermosphere
Answer  Explanation 

ANSWER: Thermosphere

Explanation:
- An aurora is a natural light display in the sky, predominantly seen in the high latitude (Arctic and Antarctic) regions.
- They are seen when electrically charged particles from the sun enters the earth's atmosphere.
- In the north, they are called as aurora borealis while in the south they are called aurora australis.