Match List I with List II

  LIST I (Type of Volcanic eruption)   LIST II (Characteristics)
A. Pelean type I. More fluid basaltic lava effusive and quite in nature.
B. Hawaiin type II. Less fluid basaltic lava and having explosive nature.
C. Strombolian type III. Viscous lava, which do not remain liquid after contact with air.
D. Vulcanian type IV. Extremely viscous lava with violent character.

Choose the correct answer from the options given below:

This question was previously asked in
UGC NET (Geography) Official Paper-II (Held On: 03 Mar, 2023 Shift 1)
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  1. A - IV, B - I, C - II, D - III
  2. A - IV, B - II, C - I, D - III
  3. A - IV, B - II, C - III, D - I
  4. A - II, D - I, C - IV, D - III

Answer (Detailed Solution Below)

Option 1 : A - IV, B - I, C - II, D - III
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
50 Qs. 100 Marks 60 Mins

Detailed Solution

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The correct answer is A - IV, B - I, C - II, D - III
Key Points

Type of Volcanic Eruption (List I) Characteristics (List II)            Remarks
A. Pelean type IV. Extremely viscous lava with violent character.
  • Pelean eruptions are characterized by the explosion of gas and ash, along with the extrusion of highly viscous lava, which form glowing avalanches and nuees ardentes ("burning clouds").
  • The high viscosity and explosive nature make these eruptions violently unpredictable.
B. Hawaiin type I. More fluid basaltic lava effusive and quite in nature.
  • Hawaiian eruptions are characterized by the effusive emission of highly fluid basaltic lava, often creating large lava fountains and flowing lava rivers.
  • These eruptions are generally less violent than other types of volcanic eruptions.
C. Strombolian type II. Less fluid basaltic lava and having explosive nature.
  • Strombolian eruptions are characterized by the ejection of incandescent cinder, lapilli, and lava bombs, with a bright red or orange glow visible at night.
  • They are caused by the bursting of gas bubbles in the magma.
  • The eruptions are explosive but usually not as violent or destructive as Pelean or Plinian eruptions.
D. Vulcanian type III. Viscous lava, which do not remain liquid after contact with air.
  • Vulcanian eruptions are characterized by a dense cloud of ash-laden gas that explodes from the crater and rises high above the peak.
  • They usually involve the ejection of viscous lava, which can form a hardened cap over the vent between eruptions.
  • The lava does not remain liquid after it contacts the air, resulting in pyroclastic flows and eruptions with a large amount of ash.

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