Common Indian Geography
Climate, Weather & Natural Disasters
15 questions on climate concepts, weather phenomena, and natural disasters.
Climate, Weather & Natural Disasters
15 questions · 10 minutes
10:00
Q1.The instrument used to measure earthquakes is:
Explanation: Seismograph (seismometer) measures earthquake waves. Richter Scale measures earthquake magnitude.
Q2.The eye of a cyclone is:
Explanation: The eye is a calm, mostly clear area at the centre of a cyclone, surrounded by the destructive eyewall.
Q3.Tsunami is caused by:
Explanation: Tsunamis are caused by underwater earthquakes, volcanic eruptions, or landslides displacing large amounts of water.
Q4.Richter Scale measures:
Explanation: Richter Scale (now Moment Magnitude Scale) measures earthquake magnitude logarithmically.
Q5.El Niño is:
Explanation: El Niño = abnormal warming of equatorial Pacific Ocean waters, affecting global weather patterns.
Q6.The Beaufort Scale measures:
Explanation: Beaufort Scale measures wind speed/force from 0 (calm) to 12 (hurricane force).
Q7.Monsoon winds reverse because of:
Explanation: Monsoons reverse seasonally due to differential heating — land heats/cools faster than sea.
Q8.The driest continent is:
Explanation: Antarctica is the driest continent (a polar desert with very low precipitation).
Q9.A tornado is characterised by:
Explanation: A tornado is a violently rotating column of air (funnel) extending from a thunderstorm to the ground.
Q10.The 2004 Indian Ocean tsunami was triggered by an earthquake off:
Explanation: The 26 December 2004 tsunami was triggered by a massive undersea earthquake off Sumatra, Indonesia (magnitude 9.1).
Q11.Global warming is mainly caused by:
Explanation: Increased CO₂, methane, and other greenhouse gas emissions (from fossil fuels, industry) cause global warming.
Q12.The greenhouse effect is:
Explanation: Natural greenhouse effect keeps Earth warm enough for life. Human activities enhance it, causing dangerous warming.
Q13.Acid rain is caused by:
Explanation: SO₂ and NO₂ from industrial emissions react with water to form sulphuric and nitric acids → acid rain (pH below 5.6).
Q14.The coldest place on Earth is:
Explanation: Antarctica (Vostok Station) recorded the coldest temperature: -89.2°C (1983).
Q15.Fog is:
Explanation: Fog is essentially a cloud at ground level — water droplets suspended in air near the surface.
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