Practice MCQs | Chapter 10 Water in the Atmosphere

MCQ Page Ref: Page 84

The main source of atmospheric moisture is:

A. Mountains

B. Oceans

C. Forests only

D. Volcanoes only

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 84

MCQ Page Ref: Page 84

The process through which water changes into vapour is called:

A. Condensation

B. Precipitation

C. Evaporation

D. Sublimation

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 84

MCQ Page Ref: Page 84

Evaporation increases with:

A. Lower temperature

B. Higher humidity

C. Higher temperature

D. Calm air only

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 84

MCQ Page Ref: Page 85

The amount of water vapour present in air is called:

A. Pressure

B. Humidity

C. Condensation

D. Insolation

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 85

MCQ Page Ref: Page 85

Humidity expressed as percentage is called:

A. Absolute humidity

B. Specific humidity

C. Relative humidity

D. Saturation point

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 85

MCQ Page Ref: Page 85

Air becomes saturated when:

A. It contains no moisture

B. It contains maximum moisture possible at given temperature

C. Temperature reaches 0°C

D. Wind stops completely

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 85

MCQ Page Ref: Page 85

The temperature at which air becomes saturated is called:

A. Freezing point

B. Dew point

C. Boiling point

D. Lapse rate

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 85

MCQ Page Ref: Page 86

Condensation occurs when:

A. Air temperature rises

B. Air cools below dew point

C. Pressure decreases only

D. Winds stop completely

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 86

MCQ Page Ref: Page 86

Tiny drops of water suspended in air near ground form:

A. Clouds

B. Fog

C. Frost

D. Hailstones

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 86

MCQ Page Ref: Page 87

Clouds are formed mainly due to:

A. Condensation of water vapour

B. Earthquakes

C. Solar eclipses

D. Ocean currents only

Correct Answer / Reference:

Option: A

Reference: Found on Page Page 87

MCQ Page Ref: Page 87

Which clouds appear as high thin white sheets?

A. Cumulus

B. Nimbus

C. Cirrus

D. Stratus

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 87

MCQ Page Ref: Page 87

Dark rain-bearing clouds are generally called:

A. Cirrus

B. Nimbus

C. Stratus

D. Cumulus

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 87

MCQ Page Ref: Page 87

Heap-like clouds with flat bases are called:

A. Cirrus

B. Stratus

C. Nimbus

D. Cumulus

Correct Answer / Reference:

Option: D

Reference: Found on Page Page 87

MCQ Page Ref: Page 87

Continuous layered clouds are called:

A. Stratus

B. Cumulus

C. Nimbus

D. Cirrus

Correct Answer / Reference:

Option: A

Reference: Found on Page Page 87

MCQ Page Ref: Page 88

Rainfall caused by surface heating is called:

A. Cyclonic rainfall

B. Orographic rainfall

C. Convectional rainfall

D. Frontal rainfall

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 88

MCQ Page Ref: Page 88

Rainfall occurring due to mountains obstructing winds is called:

A. Cyclonic rainfall

B. Frontal rainfall

C. Orographic rainfall

D. Convectional rainfall

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 88

MCQ Page Ref: Page 88

The leeward side of mountains generally experiences:

A. Heavy rainfall

B. Rain shadow region

C. Cyclones only

D. Snowstorms only

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 88

MCQ Page Ref: Page 89

Rainfall caused by meeting of warm and cold air masses is called:

A. Orographic rainfall

B. Convectional rainfall

C. Cyclonic rainfall

D. Relief rainfall

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 89

MCQ Page Ref: Page 89

Snowfall occurs when:

A. Temperature remains above freezing point

B. Water vapour freezes directly

C. Humidity disappears completely

D. Pressure becomes very high

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 89

MCQ Page Ref: Page 89

Hailstones are formed mainly in:

A. Calm weather

B. Thunderstorms

C. Desert regions only

D. Polar regions only

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 89

MCQ Page Ref: Page 84

The process by which ice changes directly into vapour is called:

A. Condensation

B. Sublimation

C. Evaporation

D. Freezing

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 84

MCQ Page Ref: Page 85

Absolute humidity refers to:

A. Percentage of moisture

B. Weight of water vapour per unit volume of air

C. Cooling of air only

D. Rainfall intensity only

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 85

MCQ Page Ref: Page 85

Relative humidity decreases when:

A. Temperature increases without adding moisture

B. Air cools to dew point

C. Condensation occurs

D. Moisture content increases only

Correct Answer / Reference:

Option: A

Reference: Found on Page Page 85

MCQ Page Ref: Page 87

Clouds generally form in:

A. Troposphere

B. Exosphere

C. Mesosphere

D. Thermosphere

Correct Answer / Reference:

Option: A

Reference: Found on Page Page 87

MCQ Page Ref: Page 88

The side of mountain receiving maximum rainfall is called:

A. Leeward side

B. Rain shadow side

C. Windward side

D. Plateau side

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 88

MCQ Page Ref: Page 86

Fog is essentially:

A. High cloud

B. Ground-level cloud

C. Frozen rain

D. Snowfall only

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 86

MCQ Page Ref: Page 85

Warm air can hold:

A. Less moisture

B. More moisture

C. No moisture

D. Fixed amount of moisture only

Correct Answer / Reference:

Option: B

Reference: Found on Page Page 85

MCQ Page Ref: Page 86

Condensation releases:

A. Latent heat

B. Solar energy only

C. Pressure energy only

D. Wind energy only

Correct Answer / Reference:

Option: A

Reference: Found on Page Page 86

MCQ Page Ref: Page 89

Rainfall is measured using:

A. Hygrometer

B. Barometer

C. Rain gauge

D. Thermometer

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 89

MCQ Page Ref: Page 89

Which form of precipitation consists of ice pellets?

A. Dew

B. Fog

C. Hail

D. Drizzle

Correct Answer / Reference:

Option: C

Reference: Found on Page Page 89