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Heat Wave and Disaster Management MCQ - Practice Questions with Answers

Solve 31 Heat Wave and Disaster Management questions for RAS/RPSC preparation.

Practice questions

Q1According to IMD's heat-wave FAQ, since which year has IMD followed a seamless forecast system for maximum-temperature and heat-wave forecasts across seasonal, extended and short-to-medium ranges?

A 2020
B 2018
C 2014
D 2016
Explanation

IMD states that it has followed the seamless forecast system since 2016 for maximum-temperature and heat-wave forecasts across seasonal, extended and short-to-medium ranges. The years 2014, 2018 and 2020 are near-miss years, but they are not the year stated for this system in the cited FAQ.

Q2Consider the following assertion and reason about IMD's heat-wave colour-code system: Assertion: Red Alert is used when a severe heat wave persists for more than two days. Reason: Red Alert is also used when the total heat-wave or severe heat-wave days exceed six days. Which one of the following is correct?

A The Assertion is true, but the Reason is false
B Both the Assertion and the Reason are true, and the Reason correctly explains the Assertion
C The Assertion is false, but the Reason is true
D Both the Assertion and the Reason are true, but the Reason does not explain the Assertion
Explanation

The Assertion is true because IMD uses Red Alert when a severe heat wave persists for more than two days. The Reason is also true because Red Alert is also triggered when the total heat-wave or severe heat-wave days exceed six days. However, these are two separate Red Alert trigger conditions in the cited fact; the six-day threshold does not explain why a severe heat wave lasting more than two days qualifies.

Q3Match the IMD heat-wave warning feature with the institution associated with it in the cited IMD FAQ. List I: Impact-based heat-wave colour warnings List II: Institution named with IMD Which pairing is correct?

A Impact-based heat-wave colour warnings — National Disaster Management Authority
B Impact-based heat-wave colour warnings — Central Water Commission
C Impact-based heat-wave colour warnings — Central Pollution Control Board
D Impact-based heat-wave colour warnings — National Health Authority
Explanation

The correct pairing is impact-based heat-wave colour warnings with the National Disaster Management Authority, because IMD states that these warnings are issued jointly with NDMA. The Central Water Commission, National Health Authority, and Central Pollution Control Board are adjacent public institutions, but they are not named in this cited fact for issuing these heat-wave colour warnings with IMD.

Q4Assertion: For coastal stations, IMD describes a heat wave only when maximum temperature departure is 4.5°C or more from normal and the actual maximum temperature is 37°C or more. Reason: Coastal stations use a condition that combines departure from normal with an actual maximum-temperature floor. Choose the correct answer.

A Both the Assertion and the Reason are true but the Reason does not explain the Assertion
B The Assertion is true but the Reason is false
C Both the Assertion and the Reason are true and the Reason explains the Assertion
D The Assertion is false but the Reason is true
Explanation

The Assertion is true because IMD's coastal-station rule requires a maximum-temperature departure of 4.5°C or more from normal and an actual maximum temperature of 37°C or more. The Reason is also true and explains the Assertion because the coastal rule is explicitly a combined condition, not a departure-only or actual-temperature-only threshold.

Q5Consider the following Assertion and Reason about Dholpur district's Heat Wave Action Plan 2025-26. Assertion: The plan was issued by the District Disaster Management Authority, Dhaulpur. Reason: It was introduced by Sreenidhi B T, IAS, District Magistrate and Chairman, DDMA Dholpur. Which answer is correct?

A Both the Assertion and the Reason are true, but the Reason does not correctly explain the Assertion
B Both the Assertion and the Reason are true, and the Reason correctly explains the Assertion
C The Assertion is false, but the Reason is true
D The Assertion is true, but the Reason is false
Explanation

The Assertion is true because the plan was issued by the District Disaster Management Authority, Dhaulpur. The Reason is also true because Sreenidhi B T, IAS, District Magistrate and Chairman DDMA Dholpur, introduced it. However, the introducer's designation does not by itself explain the issuing authority, so the causal link is not established. Answers that make either the Assertion or the Reason false conflict with the cited fact.

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More questions

6Consider the following statements on IMD's departure-from-normal criterion for heat waves. Statement 1 says a heat wave is declared at 4.5°C to 6.4°C above normal. Statement 2 says a severe heat wave is declared at more than 6.4°C above normal. Which combination is correct?

ABoth Statement 1 and Statement 2
BNeither Statement 1 nor Statement 2
CStatement 1 only
DStatement 2 only

7Consider the following statements about IMD's heat-wave forecast products. Statement 1: Seasonal heat-wave forecasts are issued for March-June. Statement 2: Extended-range forecasts can go up to four weeks. Statement 3: District-level medium-range forecasts are valid up to ten days. Which statements are correct?

AStatement 1 only
BStatements 1, 2 and 3
CStatements 2 and 3 only
DStatements 1 and 2 only

8According to IMD's FAQ on heat waves in India, which sequence correctly represents the usual heat-wave season, its peak, normal end-month and rare extension?

AMarch, May, June, July
BMarch, June, May, July
CApril, June, July, August
DFebruary, April, May, June

9With reference to Dholpur district's Heat Wave Action Plan 2025-26, consider the following statements. 1. Rajakhera sub-division is identified as a vulnerable hotspot for heat waves. 2. Bari sub-division is identified as a vulnerable hotspot for heat waves. 3. The hotspot identification is based on analysis of 2021 and 2022 temperature data. Which statements are correct?

A1 and 2 only
B1, 2 and 3
C2 and 3 only
D1 only

10Under Heat Action Plans, which pairing correctly identifies the year of NDMA's action-plan guidelines and IMD's assigned role?

A2015; IMD prepares district relief budgets
B2017; IMD approves state disaster-response funds
C2016; IMD provides early-warning and forecasting services
D2019; IMD conducts post-disaster damage assessment

11With reference to IMD's classification of warm nights during heat-wave conditions, consider the following statements: 1. The maximum temperature must be 40°C or more for a warm night to be declared. 2. A warm night corresponds to a minimum-temperature departure of 4.5°C to 6.4°C. 3. A very warm night corresponds to a minimum-temperature departure of more than 6.4°C. 4. The classification is based on maximum-temperature departure alone. Which of the statements given above are correct?

A2 and 3 only
B1, 3 and 4 only
C1, 2 and 3 only
D1 and 2 only

12Assertion: IMD's special morning heat-wave bulletin is issued at 0800 IST for the next 24 hours. Reason: IMD's evening heat-wave bulletin is issued at 1600 IST for the next five days. Choose the correct answer.

AThe Assertion is false, but the Reason is true
BBoth the Assertion and the Reason are true, and the Reason correctly explains the Assertion
CThe Assertion is true, but the Reason is false
DBoth the Assertion and the Reason are true, but the Reason does not correctly explain the Assertion

13In the All India Weather Forecast Bulletin, what is the correct chronological sequence of IMD's four daily updates for five-day heat-wave warnings?

A0530, 0830, 1130, 1730 IST
B0830, 0530, 1430, 1730 IST
C0530, 0830, 1730, 1430 IST
D0530, 0830, 1430, 1730 IST

14In IMD's description of heat-wave-prone areas in India, Rajasthan is listed in which broad category?

AOnly the western coastal humid belt
BOnly the high Himalayan belt
COnly the island territories of India
DThe plains of northwest, central, east and north peninsular India

15Assertion: Heat waves generally develop over Northwest India and spread eastwards and southwards rather than westwards. Reason: Prevailing seasonal winds during such conditions are westerly to northwesterly. Choose the correct answer.

AThe Assertion is true, but the Reason is false
BBoth the Assertion and the Reason are true, but the Reason does not explain the Assertion
CBoth the Assertion and the Reason are true, and the Reason correctly explains the Assertion
DThe Assertion is false, but the Reason is true

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