UPSC Disaster Management – Chapter 14: Early Warning, Technology and Communication (21 MCQs)

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UPSC Disaster Management – Chapter 14: Early Warning, Technology and Communication (21 MCQs) – 21 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.  

Android smartphones in India began receiving earthquake alerts, in consultation with NDMA and NCS, in:

Correct Answer: A [2023]

Explanation:

Google launched Android earthquake alerts in India in September 2023, with NDMA and the National Center for Seismology.

2.  

India's CAP-based Integrated Alert System, SACHET, is run by the:

Correct Answer: B [National Disaster Management Authority]

Explanation:

SACHET, the CAP-based Integrated Alert System developed by C-DOT, is operated by NDMA across all States and Union Territories.

3.  

In IMD's colour-coded warnings, "take action" is indicated by:

Correct Answer: A [red]

Explanation:

In IMD's colour code red means take action, orange be prepared, yellow be aware and green no action.

4.  

The GEMINI device for fishermen was developed by:

Correct Answer: C [INCOIS]

Explanation:

with AAI and ISRO's GAGAN.

5.  

Riverine flood forecasts in India are issued by the:

Correct Answer: D [Central Water Commission]

Explanation:

The Central Water Commission under the Jal Shakti ministry is India's agency for riverine flood forecasting.

6.  

Which of the following is NOT one of the four elements of an early warning system?

Correct Answer: D [Insurance payout]

Explanation:

not an element.

7.  

A forecast that tells people "low-lying areas will flood and roads may close" is an example of:

Correct Answer: B [an impact-based forecast]

Explanation:

It describes what the weather will do to people and places, which is the essence of an impact-based forecast.

8.  

India's single emergency number under the Emergency Response Support System is:

Correct Answer: D [112]

Explanation:

Under ERSS, 112 is the single pan-India emergency number connecting people to police, fire and ambulance services.

9.  

A nowcast typically covers the next:

Correct Answer: C [0–3 hours]

Explanation:

Nowcasts use radar and satellite images to predict thunderstorms, lightning and local heavy rain for the next 0–3 hours.

10.  

Consider the following statements:

1. Cell broadcast can send an alert to all phones in an area at once.
2. The Common Alerting Protocol is an international standard for alert messages.
3. Cell broadcast needs each user to register a phone number in advance.

Which of the statements given above is/are correct?

Correct Answer: B [1 and 2 only]

Explanation:

Statements 1 and 2 are true; statement 3 is false because cell broadcast reaches all phones in an area without registration.

11.  

Assertion (A): Satellite phones and HAM radio are vital in the first days after a major disaster.

Reason (R): Mobile towers and power supply are often damaged in severe disasters.

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

Explanation:

Both are true and R explains A: because towers and power fail, independent satellite phones and HAM radio become vital.

12.  

The India Disaster Resource Network, an online inventory of response resources, is maintained by:

Correct Answer: C [NIDM]

Explanation:

The National Institute of Disaster Management maintains the India Disaster Resource Network, an online inventory of equipment and trained people.

13.  

Mission Mausam, approved by the Union Cabinet in 2024, is implemented mainly through institutions of the:

Correct Answer: A [Ministry of Earth Sciences]

Explanation:

Mission Mausam is a Ministry of Earth Sciences mission, carried out mainly by IMD, IITM Pune and NCMRWF.

14.  

INCOIS's GEMINI device sends ocean-state alerts and fishing-zone advisories to boats beyond mobile range by using signals of:

Correct Answer: B [GAGAN]

Explanation:

GEMINI stands for GAGAN Enabled Mariner's Instrument for Navigation and Information, launched by INCOIS in 2019.

15.  

The National Database for Emergency Management is maintained by the:

Correct Answer: D [National Remote Sensing Centre]

Explanation:

NDEM is hosted by ISRO's National Remote Sensing Centre, Hyderabad, which also runs the Decision Support Centre.

16.  

INSAT-3DS, a meteorological satellite, was launched in:

Correct Answer: B [2024]

Explanation:

INSAT-3DS, India's third-generation meteorological satellite, was launched on GSLV-F14 on 17 February 2024.

17.  

Arrange the following in chronological order:

1. Early Warnings for All initiative
2. GEMINI device for fishermen
3. Launch of INSAT-3D
4. Start of ITEWC at INCOIS

Select the correct answer using the code given below:

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

Explanation:

2007, 2013, 2019, 2022.

18.  

Avalanche warnings in India are issued by an establishment of the:

Correct Answer: D [Defence Research and Development Organisation]

Explanation:

DGRE.

19.  

Mission Mausam, approved in 2024, aims mainly to:

Correct Answer: C [make India weather-ready and climate-smart]

Explanation:

Cabinet approved Mission Mausam in September 2024 to make India 'weather-ready and climate-smart' with more radars and better models.

20.  

Which of the following warnings is issued by INCOIS?

Correct Answer: B [High waves and tsunami]

Explanation:

INCOIS, Hyderabad, runs the Indian Tsunami Early Warning Centre and issues high-wave and storm-surge alerts.

21.  
UPSC Prelims 2023

Consider the following actions:

1. Detection of car crash/collision which results in the deployment of airbags almost instantaneously
2. Detection of accidental free fall of a laptop towards the ground which results in the immediate turning off of the hard drive.
3. Detection of the tilt of the smartphone which results in the rotation of display between portrait and landscape mode

In how many of the above actions is the function of accelerometer required?

Correct Answer: C [All three]

Explanation:

an accelerometer senses sudden changes in motion (crash, free fall) and changes in orientation (tilt). The same sensor in smartphones is now used to detect earthquake shaking.

➤ Full notes, maps, tables, a reason for every option and Mains PYQs – U19 · Disaster Management (UPSC book, ₹249): www.shanmugamiasacademy.in/study-materials/upsc-disaster-management

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