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Question (11)

QN002211

Which statement correctly explains wind formation?

(A) Air moves from low pressure to high pressure
(B) Air remains stationary in atmosphere
(C) Pressure differences cause movement of air
(D) Gravity alone causes wind

Correct Answer: C

Explanation:

Winds form due to pressure differences.

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Question (12)

QN002212

In coastal areas during daytime, the sea remains relatively:

(A) Hotter than land
(B) Cooler than land
(C) Equal in temperature to land
(D) Dry

Correct Answer: B

Explanation:

Sea heats up more slowly than land.

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Question (13)

QN002213

During night, the sea remains warmer than land because:

(A) Water cools slowly
(B) Water heats instantly
(C) Land absorbs more moisture
(D) Wind stops completely

Correct Answer: A

Explanation:

Water loses heat slowly.

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Question (14)

QN002214

If air pressure in Balloon A is greater than Balloon B, air will:

(A) Move from B to A
(B) Move from A to B
(C) Not move at all
(D) Burst both balloons immediately

Correct Answer: B

Explanation:

Air flows from high pressure to low pressure.

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Question (15)

QN002215

A pressure of 150 Pa acts over an area of 8 m². What force acts due to the moving air?

(A) 18.75 N
(B) 120 N
(C) 1200 N
(D) 1500 N

Correct Answer: C

Explanation:

Force = 150 × 8 = 1200 N

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Question (16)

QN002216

Which factor mainly determines the direction of wind?

(A) Colour of clouds
(B) Direction of sunlight
(C) Pressure difference
(D) Height of trees

Correct Answer: C

Explanation:

Wind direction depends on pressure difference.

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Question (17)

QN002217

The practical unit commonly used for air pressure is:

(A) Joule
(B) Millibar
(C) Watt
(D) Volt

Correct Answer: B

Explanation:

Millibar is a practical unit of air pressure.

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Question (18)

QN002218

One hectopascal (hPa) is equal to:

(A) 1 Pa
(B) 10 Pa
(C) 100 Pa
(D) 1000 Pa

Correct Answer: C

Explanation:

1 hPa = 100 Pa.

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Question (19)

QN002219

Which condition produces stronger winds?

(A) Small pressure difference
(B) No pressure difference
(C) Large pressure difference
(D) Equal temperature everywhere

Correct Answer: C

Explanation:

Larger pressure difference produces stronger winds.

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Question (20)

QN002220

When warm air rises over land, cooler air from nearby regions moves in to:

(A) Increase humidity only
(B) Create vacuum permanently
(C) Occupy the low-pressure region
(D) Stop cloud formation

Correct Answer: C

Explanation:

Cooler air fills the low-pressure region.

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Question (11)

Which statement correctly explains wind formation?

Explanation:

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Question (12)

In coastal areas during daytime, the sea remains relatively:

Explanation:

Link:

Question (13)

During night, the sea remains warmer than land because:

Explanation:

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Question (14)

If air pressure in Balloon A is greater than Balloon B, air will:

Explanation:

Link:

Question (15)

A pressure of 150 Pa acts over an area of 8 m². What force acts due to the moving air?

Explanation:

Link:

Question (16)

Which factor mainly determines the direction of wind?

Explanation:

Link:

Question (17)

The practical unit commonly used for air pressure is:

Explanation:

Link:

Question (18)

One hectopascal (hPa) is equal to:

Explanation:

Link:

Question (19)

Which condition produces stronger winds?

Explanation:

Link:

Question (20)

When warm air rises over land, cooler air from nearby regions moves in to:

Explanation:

Link:

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