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भूकम्प, ज्वालामुखी, मरुस्थल एवं विश्व के प्रमुख द्वीप / Earthquakes, Volcanoes, Deserts and Major Islands of the World
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भूकम्प, ज्वालामुखी, मरुस्थल एवं विश्व के प्रमुख द्वीप / Earthquakes, Volcanoes, Deserts and Major Islands of the World

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15 mins
Time
❓
10
Questions
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1
Per Q

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भूकम्प, ज्वालामुखी, मरुस्थल एवं विश्व के प्रमुख द्वीप / Earthquakes, Volcanoes, Deserts and Major Islands of the World — Questions with Answers Open after you finish the quiz — all 10 questions, with answers and explanations.
Q1. What is the point inside the Earth where an earthquake originates called?
  1. Epicentre
  2. Focus
  3. Seismic zone
  4. Fault line
Show answer
Answer: B. Focus
The focus (also called hypocenter) is the point inside the Earth where an earthquake originates. It is the actual location where the rupture begins.
Q2. The point on the Earth's surface directly above the earthquake focus is called:
  1. Focus
  2. Epicentre
  3. Seismic center
  4. Origin point
Show answer
Answer: B. Epicentre
The epicentre is the point on the Earth's surface directly above the focus where the earthquake originates. This is usually where the maximum damage occurs.
Q3. Which type of seismic waves are the fastest and reach the surface first?
  1. S-waves (Secondary waves)
  2. P-waves (Primary waves)
  3. L-waves (Love waves)
  4. Surface waves
Show answer
Answer: B. P-waves (Primary waves)
P-waves (Primary waves) are compression waves that travel fastest through the Earth and are the first to be detected by seismographs.
Q4. The Richter Scale is used to measure:
  1. Earthquake intensity
  2. Earthquake magnitude
  3. Volcanic eruption strength
  4. Tsunami height
Show answer
Answer: B. Earthquake magnitude
The Richter Scale measures the magnitude of an earthquake, which represents the energy released at the source. It is a logarithmic scale.
Q5. Which of the following is the world's largest hot desert?
  1. Gobi Desert
  2. Arabian Desert
  3. Sahara Desert
  4. Kalahari Desert
Show answer
Answer: C. Sahara Desert
The Sahara Desert in North Africa is the world's largest hot desert, covering approximately 9 million square kilometers.
Q6. The 'Ring of Fire' is associated with:
  1. Desert formation
  2. Volcanic and seismic activity
  3. Ocean currents
  4. Monsoon patterns
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Answer: B. Volcanic and seismic activity
The Ring of Fire is a region around the Pacific Ocean where most of the world's earthquakes and volcanic eruptions occur due to tectonic plate movements.
Q7. Which is the largest island in the world?
  1. Madagascar
  2. Borneo
  3. Greenland
  4. New Guinea
Show answer
Answer: C. Greenland
Greenland is the world's largest island with an area of approximately 2.17 million square kilometers. It is located between the Arctic and Atlantic oceans.
Q8. Mount Vesuvius, famous for destroying Pompeii, is located in which country?
  1. Greece
  2. Turkey
  3. Italy
  4. Spain
Show answer
Answer: C. Italy
Mount Vesuvius is located in southern Italy, near Naples. It famously erupted in 79 AD, destroying the cities of Pompeii and Herculaneum.
Q9. Which desert is known as the 'Cold Desert' and is located in Asia?
  1. Thar Desert
  2. Taklamakan Desert
  3. Gobi Desert
  4. Arabian Desert
Show answer
Answer: C. Gobi Desert
The Gobi Desert, located in northern China and southern Mongolia, is known as a cold desert due to its harsh winter temperatures that can drop below -40°C.
Q10. The Maldives, an island nation in the Indian Ocean, consists of approximately how many coral islands?
  1. 500 islands
  2. 800 islands
  3. 1200 islands
  4. 2000 islands
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Answer: C. 1200 islands
The Maldives consists of approximately 1,200 coral islands grouped into 26 atolls. Only about 200 of these islands are inhabited.
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