UPSC Disaster Management – Chapter 7: Cyclones and Storm Surges (20 MCQs)

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UPSC Disaster Management – Chapter 7: Cyclones and Storm Surges (20 MCQs) – 20 questions, subject: Disaster Management. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  

Tropical cyclones over the north Indian Ocean are named by the:

Correct Answer: B [Regional Specialised Meteorological Centre, New Delhi]

Explanation:

RSMC New Delhi, run by IMD, names cyclones for the 13 member countries of the WMO/ESCAP Panel on Tropical Cyclones.

2.  

A low-pressure system is given a name when its wind speed reaches at least:

Correct Answer: B [62 km/h]

Explanation:

cyclonic storm.

3.  

In IMD's classification, a cyclonic disturbance with sustained winds of 167–221 km/h is called a:

Correct Answer: C [extremely severe cyclonic storm]

Explanation:

IMD calls a system with 167–221 km/h (90–119 knots) winds an extremely severe cyclonic storm.

4.  

Phase I of the National Cyclone Risk Mitigation Project, which began in 2011, covered:

Correct Answer: D [Andhra Pradesh and Odisha]

Explanation:

Phase I, under agreements signed in January 2011, covered the highly cyclone-prone States of Andhra Pradesh and Odisha.

5.  

Most deaths in a severe cyclone are usually caused by:

Correct Answer: D [storm surge]

Explanation:

Storm surge, an abnormal rise of sea level driven by wind and low pressure, floods low coasts and causes most cyclone deaths.

6.  

India's first State-level disaster management body was set up after the:

Correct Answer: B [Odisha super cyclone of 1999]

Explanation:

OSDMA, 1999.

7.  

Cyclone Fani of 2019 made landfall near:

Correct Answer: A [Puri]

Explanation:

Extremely severe cyclonic storm Fani crossed the Odisha coast near Puri on 3 May 2019.

8.  

The National Cyclone Risk Mitigation Project is supported by the:

Correct Answer: C [World Bank]

Explanation:

NCRMP is implemented by NDMA with World Bank loan support; Phase I began in 2011 in Andhra Pradesh and Odisha.

9.  

Storm surges are highest along the coast of:

Correct Answer: C [Odisha and West Bengal]

Explanation:

shallow, funnel-shaped north Bay.

10.  

Consider the following statements:

1. The Bay of Bengal gets more cyclones than the Arabian Sea.
2. India's cyclone seasons peak before and after the south-west monsoon.
3. Thirteen countries contribute names to the north Indian Ocean list.

Which of the statements given above is/are correct?

Correct Answer: B [1, 2 and 3]

Explanation:

All three are true: the Bay gets about four times more cyclones, seasons peak April–May and October–December, and 13 countries contribute names.

11.  

Assertion (A): Mangrove forests reduce damage from cyclones on the coast.

Reason (R): Mangroves slow down wind and absorb the energy of storm surges.

Correct Answer: A [Both A and R are true, and R is the correct explanation of A]

Explanation:

Mangroves cut wind speed and absorb surge energy, which is why villages behind the Bhitarkanika mangroves suffered less in 1999.

12.  

Cyclone Biparjoy (2023) made landfall in:

Correct Answer: D [Gujarat]

Explanation:

Kachchh.

13.  

Under IMD's warning system, a "cyclone alert" is issued about:

Correct Answer: A [48 hours before adverse weather reaches the coast]

Explanation:

In IMD's four-stage system the cyclone alert (yellow) is issued at least 48 hours before adverse weather is expected on the coast.

14.  

The super cyclonic storm that struck West Bengal during the COVID-19 period was:

Correct Answer: D [Amphan]

Explanation:

May 2020.

15.  

Arrange the following cyclones in chronological order:

1. Fani
2. Odisha super cyclone
3. Phailin
4. Amphan

Select the correct answer using the code given below:

Correct Answer: C [2-3-1-4]

Explanation:

1999, 2013, 2019, 2020.

16.  

Cyclones need a minimum sea-surface temperature of about:

Correct Answer: D [26–27 °C]

Explanation:

Tropical cyclones draw energy from evaporation over warm oceans and need a sea-surface temperature of about 26–27 °C or more.

17.  

The Odisha Disaster Rapid Action Force was set up in:

Correct Answer: A [2001]

Explanation:

Odisha created ODRAF by a Home Department resolution of June 2001, after the 1999 super cyclone showed the need for trained responders.

18.  

Which of the following is NOT one of the 13 countries that name north Indian Ocean cyclones?

Correct Answer: C [Indonesia]

Explanation:

not a member.

19.  

Cyclone Hudhud (2014), remembered for heavy urban damage, struck:

Correct Answer: C [Visakhapatnam]

Explanation:

Hudhud struck Visakhapatnam in 2014.

20.  

Cyclone Ockhi (2017) is remembered mainly for:

Correct Answer: B [heavy loss of fishermen at sea off Kanniyakumari and Keralam]

Explanation:

Ockhi intensified rapidly near Kanniyakumari and caught fishermen at sea; hundreds from Tamil Nadu and Keralam died or went missing.

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