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All questions of Natural Hazards in India for UPSC CSE Exam

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Which of the following is NOT a geological hazard?
  • a)
    Earthquake
  • b)
    Cyclone
  • c)
    Landslide
  • d)
    Epidemic
Correct answer is option 'D'. Can you explain this answer?

The text states that natural hazards can be grouped into two major categories: geological hazards and weather-associated hazards. Epidemics, which are outbreaks of infectious diseases, are not classified as geological hazards.

What is the primary cause of forest fires in India?
  • a)
    Lightning
  • b)
    Natural climatic conditions
  • c)
    Deliberate human activities
  • d)
    Wildlife disturbances
Correct answer is option 'C'. Can you explain this answer?

Suresh Reddy answered
Forest fires in India are primarily caused by deliberate human activities, such as setting dry leaves on fire for collecting mahua flowers, which are used to make a local drink.

Which type of volcano is known for its low slopes and the flow of highly fluid lava?
  • a)
    Shield volcano
  • b)
    Cinder cone volcano
  • c)
    Composite volcano
  • d)
    Caldera volcano
Correct answer is option 'A'. Can you explain this answer?

Vikram Verma answered
The text describes shield volcanoes as having low slopes and consisting almost entirely of highly fluid lava. Therefore, shield volcanoes are known for their low slopes and the flow of highly fluid lava.

Which of the following is an example of a weather-associated hazard?
  • a)
    Earthquake
  • b)
    Volcanic eruption
  • c)
    Cyclone
  • d)
    Landslide
Correct answer is option 'C'. Can you explain this answer?

The text states that weather-associated hazards include cyclones, thunderstorms, droughts, floods, and epidemics. Cyclones are specifically mentioned as an example of a weather-associated hazard.

Which of the following is NOT a type of landslide?
  • a)
    Falls
  • b)
    Topples
  • c)
    Spreads
  • d)
    Eruptions
Correct answer is option 'D'. Can you explain this answer?

Suresh Reddy answered
The text lists falls, topples, slides, and spreads as examples of types of landslides. Eruptions, which refer to volcanic activity, are not classified as a type of landslide.

Where are most of the active volcanoes located?
  • a)
    Circum-Pacific Belt
  • b)
    Mid-World Mountain Belt
  • c)
    African Rift Valley Belt
  • d)
    Indian Peninsula
Correct answer is option 'A'. Can you explain this answer?

Vikram Verma answered
The text states that most of the active volcanoes are found in the Pacific region, which is referred to as the Pacific Ring of Fire. Therefore, the correct answer is the Circum-Pacific Belt.

What is the primary mitigation measure to reduce the impact of floods in India?
  • a)
    Building dams
  • b)
    Constructing embankments
  • c)
    Flood forecasting
  • d)
    Afforestation in catchment areas
Correct answer is option 'D'. Can you explain this answer?

Sanjay Rana answered
One of the primary mitigation measures to reduce the impact of floods in India is afforestation in catchment areas. This helps in reducing runoff and increasing the absorption of rainfall.

What is the primary cause of most tsunamis?
  • a)
    Volcanic eruptions
  • b)
    Earthquakes
  • c)
    Landslides
  • d)
    Meteorite impacts
Correct answer is option 'B'. Can you explain this answer?

Priya Menon answered
Tsunamis are primarily caused by earthquakes. These earthquakes occur under the ocean and result in the sudden displacement of the seafloor. This vertical movement of the seafloor generates a series of extremely long waves, known as tsunamis.

Which type of earthquake wave can pass through both solids and liquids?
  • a)
    P waves
  • b)
    S waves
  • c)
    L waves
  • d)
    R waves
Correct answer is option 'A'. Can you explain this answer?

Vikram Verma answered
The text explains that P waves, also known as primary waves, are longitudinal waves that can pass through both solids and liquids. Therefore, P waves are the correct answer.

What is the primary cause of forest fires during March and April in India?
  • a)
    Excessive rainfall
  • b)
    High humidity
  • c)
    Dry wood, leaves, and grass along with a trigger
  • d)
    Decreased atmospheric temperature
Correct answer is option 'C'. Can you explain this answer?

Meera Kapoor answered
The primary cause of forest fires during March and April in India is the presence of dry wood, leaves, grass, and other flammable materials on the forest floor, which can easily ignite with a trigger.

What is the major cause of landslides?
  • a)
    Rainfall and Snowfall
  • b)
    Earthquakes and Volcanic Eruptions
  • c)
    Mining, Quarrying, and Road cutting
  • d)
    Deforestation
Correct answer is option 'A'. Can you explain this answer?

Suresh Reddy answered
The text states that heavy or continuous rainfall can lead to landslides, especially in areas with steep slopes. Snowfall can also contribute to the occurrence of landslides. Therefore, rainfall and snowfall are identified as major causes of landslides.

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