Question : Which of the following statements is correct regarding air pressure?
Option 1: High pressure is associated with cloudy skies and wet weather.
Option 2: Low pressure is associated with clear and sunny skies.
Option 3: The air always moves from high-pressure areas to low-pressure areas.
Option 4: The air pressure is lowest at sea level and increases with height.
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Correct Answer: The air always moves from high-pressure areas to low-pressure areas.
Solution : The correct option is The air always moves from high-pressure areas to low-pressure areas.
It is generally true that air moves from high-pressure areas to low-pressure areas. This movement is a response to pressure differences in the atmosphere. Wind is essentially the movement of air from regions of higher pressure to regions of lower pressure. The force that drives this movement is called the pressure gradient force. It is the force exerted on air particles due to pressure differences.
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Question : What is the major cause of the 'October heat'?
Option 1: Hot and dry weather.
Option 2: Very low-velocity winds.
Option 3: Low-pressure systems over the Indo-Gangetic plains.
Option 4: High temperatures are associated with high humidity.
Question : Which of the following pressure belt is known as the horse latitude?
Option 1: Sub - Polar Low Pressure
Option 2: Equatorial Low Pressure
Option 3: Sub - Tropical High Pressure
Option 4: High Pressure
Question : What is the Inter Tropical Convergence Zone (ITCZ)?
Option 1: A region with a high annual rainfall.
Option 2: A low-pressure zone located at the equator.
Option 3: A zone where air tends to descend.
Option 4: A high-pressure zone located at the equator.
Question : The boiling point of water decreases at higher altitudes due to:
Option 1: low temperature
Option 2: low atmospheric pressure
Option 3: high temperature
Option 4: high atmospheric pressure
Question : Why boiling point of water decrease at high altitudes?
Option 1: Because of the high temperature
Option 2: Because of low atmospheric pressure
Option 3: Because of low temperature
Option 4: Because of high atmospheric pressure
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