Q100. Which village near the Gangotri route was devastated by the 5 August 2025 Uttarakhand flash flood?
[RRB Group D – 4 Feb 2026 | 2026]
A. Dharali, Uttarkashi
B. Joshimath, Chamoli
C. Balta, Almora
D. Rudraprayag, Rudraprayag
Answer: A. Dharali, Uttarkashi
Explanation: Dharali in Uttarkashi district was struck by a destructive flood and debris torrent. In mountain catchments, intense rainfall and mobilised sediment can produce devastating flows. Narrow valleys and settlements close to channels are especially vulnerable to sudden inundation.
Q99. Which human activities particularly increase the risk of landslides?
[MP Police Sub-Inspector – 19 Jan 2026 | 2026]
A. Flood irrigation
B. Deforestation and unplanned construction
C. Terrace farming alone
D. Planting trees and seed balls
Answer: B. Deforestation and unplanned construction
Explanation: Tree roots help bind hillside soil, while unmanaged slope excavation can weaken rock and soil. Deforestation and poorly planned roads or buildings therefore increase failure risk. Drainage management and stabilisation measures are especially important in Himalayan and Western Ghats terrain.
Q98. Which Indian agency issues official cyclone forecasts and warnings?
[MP Police Sub-Inspector – 18 Jan 2026 | 2026]
A. Central Water Commission
B. National Remote Sensing Centre
C. National Disaster Management Authority
D. India Meteorological Department
Answer: D. India Meteorological Department
Explanation: The India Meteorological Department tracks cyclones through satellite data, weather radar and forecasting models. It issues warnings concerning likely paths, wind strength, rainfall and landfall. Disaster-management authorities then use the forecasts to organise evacuation and protective action.
Q97. Which earthquake statements are correct?
A. S-waves reach seismographs first.
B. The Richter magnitude scale was devised in 1935.
C. Richter magnitude represents earthquake size.
D. Earthquakes occur frequently at divergent and convergent plate boundaries.
[UGC NET Geography – 3 Jan 2026 | 2026]
A. B, C and D only
B. B and C only
C. A and C only
D. B and D only
Answer: A. B, C and D only
Explanation: Primary or P-waves travel fastest and normally arrive before S-waves. Charles Richter introduced his magnitude scale in 1935. Earthquake activity is common along interacting plate boundaries, although significant events may also occur within plates, as at Koyna or Kutch.
Q96. Put these disasters in chronological order:
A. Japan earthquake and tsunami
B. Haiti earthquake
C. Hurricane Katrina
D. South Asian tsunami.
[UGC NET Sociology – 2 Jan 2026 | 2026]
A. A, C, D, B
B. B, A, D, C
C. C, D, A, B
D. D, C, B, A
Answer: D. D, C, B, A
Explanation: The Indian Ocean tsunami struck on 26 December 2004, followed by Hurricane Katrina in 2005, Haiti’s earthquake in 2010 and Japan’s earthquake-tsunami in 2011. The 2004 event devastated parts of India’s eastern and island coastlines.
Q95. A deadly 26 August 2025 landslide occurred near which pilgrimage shrine in Reasi district?
[RRB Group D – 30 Dec 2025 | 2025]
A. Hemkund Sahib
B. Vaishno Devi
C. Amarnath Cave
D. Shankaracharya Temple
Answer: B. Vaishno Devi
Explanation: The landslide occurred near the Vaishno Devi pilgrimage route in Jammu and Kashmir. Mountain roads and pilgrimage paths are vulnerable to sudden slope failures, particularly during prolonged rainfall. Real-time warnings, route closures and slope monitoring are critical in such terrain.
Q94. Cyclone Montha crossed Andhra Pradesh’s coast in October 2025 between which locations?
[RRB Group D – 23 Dec 2025 | 2025]
A. Machilipatnam and Kalingapatnam
B. Chennai and Puducherry
C. Visakhapatnam and Gopalpur
D. Paradip and Digha
Answer: A. Machilipatnam and Kalingapatnam
Explanation: The India Meteorological Department reported landfall along the Andhra Pradesh coast between Machilipatnam and Kalingapatnam. Monitoring cyclone tracks helps coastal administrations decide where to evacuate people. Heavy rainfall and storm surges can extend risk beyond the immediate landfall point.
Q93. According to data cited by the Ministry of Earth Sciences in March 2025, what share of India’s area is vulnerable to earthquakes?
[RRB Group D – 11 Dec 2025 | 2025]
A. 30%
B. 59%
C. 89%
D. 40%
Answer: B. 59%
Explanation: About 59 percent of India’s land area is considered vulnerable to varying levels of earthquake hazard. The Himalayas, the northeast, Kutch and portions of the Indo-Gangetic plains are particularly exposed. Building codes and local microzonation improve preparedness.
Q92. Which state activated a 24-hour flood-control room when the Subarnarekha, Budhabalanga and Jalaka rivers swelled?
[RRB Group D – 10 Dec 2025 | 2025]
A. Assam
B. Odisha
C. Bihar
D. West Bengal
Answer: B. Odisha
Explanation: Odisha established round-the-clock monitoring as rivers in its northern districts rose. Flood control rooms consolidate rainfall, discharge and field reports for issuing warnings. The Subarnarekha and Budhabalanga systems can threaten settlements during intense monsoon rain.
Q91. India launched Operation Brahma in March 2025 mainly for which purpose?
[RRB Group D – 4 Dec 2025 | 2025]
A. War extradition
B. Military exercise
C. Earthquake relief
D. Tsunami relief
Answer: C. Earthquake relief
Explanation: Operation Brahma supported earthquake relief in neighbouring Myanmar. India sent humanitarian supplies, medical assistance and rescue resources after destructive seismic shaking. Such operations illustrate cross-border disaster response, where rapid deployment helps countries overwhelmed by damaged infrastructure and casualties.
