Q. What type of front forms when warm air rises over cold air?
(A)
Cold front
(B)
Warm front
(C)
Stationary front
(D)
Occluded front
✅ Correct Answer: (B)
Warm front
Explanation: A warm front occurs when a warm air mass slides over a colder air mass.
Q. Fog is basically:
(A)
Cloud at ground level
(B)
Frozen rain
(C)
Dust storm
(D)
Snowfall
✅ Correct Answer: (A)
Cloud at ground level
Explanation: Fog forms when air near the ground becomes saturated and water vapor condenses.
Q. Lightning is caused by:
(A)
Air pressure differences
(B)
Electrical discharge between clouds or ground
(C)
Sunlight reflection
(D)
Wind friction
✅ Correct Answer: (B)
Electrical discharge between clouds or ground
Explanation: Charge separation in thunderclouds leads to powerful electric sparks called lightning.
Q. The hottest part of the day usually occurs:
(A)
At sunrise
(B)
At noon
(C)
Mid-afternoon
(D)
Midnight
✅ Correct Answer: (C)
Mid-afternoon
Explanation: Earth continues receiving and storing heat after noon, so peak temperature occurs later.
Q. Cyclones in the Indian Ocean region are characterized by:
(A)
High pressure center
(B)
Low pressure center
(C)
No clouds
(D)
Cold dry winds
✅ Correct Answer: (B)
Low pressure center
Explanation: Cyclones develop around intense low pressure areas with strong winds and heavy rain.
Q. Which factor affects weather the most?
(A)
Latitude
(B)
Longitude
(C)
Rock type
(D)
Population
✅ Correct Answer: (A)
Latitude
Explanation: Latitude controls solar energy received and strongly influences temperature and weather.
Q. Snow forms when:
(A)
Temperature is below freezing in clouds
(B)
Humidity is zero
(C)
Wind stops
(D)
Pressure increases
✅ Correct Answer: (A)
Temperature is below freezing in clouds
Explanation: Ice crystals form in cold clouds and fall as snowflakes.
Q. A heat wave is:
(A)
Sudden drop in temperature
(B)
Prolonged period of excessively hot weather
(C)
Heavy rainfall
(D)
Cold wind
✅ Correct Answer: (B)
Prolonged period of excessively hot weather
Explanation: Heat waves occur when high pressure traps hot air over an area for days.
Q. Weather forecasts are primarily prepared by:
(A)
Geologists
(B)
Meteorologists
(C)
Astronomers
(D)
Biologists
✅ Correct Answer: (B)
Meteorologists
Explanation: Meteorologists study atmospheric conditions and use data and models to predict weather.
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