Worksheet: Water in the Atmosphere | Geography Class 11 - Humanities/Arts PDF Download

Fill in the Blanks

Q1: Evaporation is caused by an increase in _______________.

Q2: Dew forms when the dew point is above the _______________ point.

Q3: Frost forms when the dew point is at or below the _______________ point.

Q4: The transformation of water vapor into water is called _______________.

Q5: The process of continuous condensation in free air leading to the fall of condensed particles is known as _______________.

Q6: Sleet is the result of _______________ air masses with different temperatures.

Q7: Nimbus clouds are _______________ and form at middle levels.

Q8: Orographic rain occurs when saturated air masses encounter _______________.

Q9: As we move from the equator towards the poles, rainfall generally _______________.

Q10: Seasonal distribution of rainfall is an important aspect in judging its _______________.

Assertion and Reason Based

Q1: Assertion: Evaporation is the process by which water changes from a liquid to a gaseous state.
Reason: Evaporation is caused by the loss of heat.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Both assertion and reason are false.

Q2: Assertion: Dew forms on cooler surfaces of solid objects when conditions include clear skies, calm air, and high relative humidity.
Reason: Dew forms when the dew point is below the freezing point.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Both assertion and reason are false.

Q3: Assertion: Fog and mist reduce visibility and can be formed by condensation on fine dust particles in the air.
Reason: Fog and mist are the same phenomenon and have no differences.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Both assertion and reason are false. 

Q4: Assertion: Clouds are formed by the condensation of water vapor in free air at considerable elevations.
Reason: Clouds always have the same appearance, regardless of their altitude.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Both assertion and reason are false. 

Q5: Assertion: Rain shadow areas receive very low rainfall, less than 50 cm per annum.
Reason: Rain shadow areas are typically located on the windward side of mountains.
(a) Both the assertion and reason are true, and the reason is a correct explanation of the assertion.
(b) Both the assertion and reason are true, but the reason is not a correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Both assertion and reason are false. 

Very Short Answer Type Questions

Q1: Define evaporation.

Q2: What is the dew point?

Q3: How is sleet formed?

Q4: Explain the rain-shadow effect.

Q5: What is the primary factor that causes condensation?

Q6: Name one type of high cloud.

Q7: What type of clouds are prevalent in areas with warm currents meeting cold currents?

Q8: Describe condensation nuclei in relation to fog formation.

Q9: What is the difference between mist and fog?

Q10: What is precipitation, and what forms can it take?

Short Answer Type Questions

Q1: Explain the process of evaporation and its relationship with temperature.

Q2: Describe the conditions required for the formation of dew and frost.

Q3: How does orographic rain occur, and what is the rain shadow effect?

Q4: Differentiate between cirrus and cumulus clouds.

Q5: Explain the concept of precipitation and provide examples of different forms.

Q6: Discuss the three main types of rainfall based on their origin.

Q7: How does rainfall distribution change as one moves from the equator to the poles?

Q8: What are the major factors influencing the distribution of rainfall in different parts of the world?

Long Answer Type Questions

Q1: Explain the processes of evaporation, condensation, and precipitation and their roles in the water cycle.

Q2: Describe in detail the formation of fog and mist, their characteristics, and factors influencing their occurrence.

Q3: Discuss the four types of clouds, their characteristics, and the conditions under which they form.

Q4: Explain the world distribution of rainfall, focusing on how it varies from the equator to the poles and the major factors influencing this distribution.