UPSC Prelims PYQs – Climatology – Cyclones (Geography)

1. Consider the following statements:

1. Jet streams occur in the Northern Hemisphere only.
2. Only some cyclones develop an eye.
3. The temperature inside the eye of a cyclone is nearly 10°C lesser than that of the surroundings.

Which of the statements given above is/are correct?

[UPSC Civil Services Exam – 2020 Prelims]

2. In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason?

[UPSC Civil Services Exam – 2015 Prelims]

3. La Nina is suspected to have caused recent floods in Australia. How is La Nina different from EI Nino?

1. La Nina is characterized by un­usually cold ocean temperature in equatorial Indian ocean whereas EI Nino is characterized by unusually warm ocean temperature in the equatorial Pacific Ocean.
2. EI Nino has adverse effect on south­west monsoon of India, but La Nina has no effect on monsoon climate.

Which of the statements given above is/are correct?

[UPSC Civil Services Exam – 2011 Prelims]