NCERT Class 11 Geography — Chapter 4: Water in atmosphere

Which of the following forms of precipitation is characterized by "concentric layers of ice one over the other"?

The temperature at which a given sample of air becomes saturated is known as:

Consider the following statements regarding Fog and Mist: 1. In mist, each nucleus contains a thinner layer of moisture compared to fog. 2. Mist contains more moisture than fog. 3. Fogs are generally wetter than mist. Which of the statements given above are correct?

Precipitation in the form of fine flakes of snow occurs under which of the following atmospheric conditions?

For the formation of Dew, which of the following is NOT an ideal condition?

Which type of rainfall occurs due to the forced ascent of moist air over elevated landforms and is therefore also referred to as “relief rain”?

Condensation takes place when: 1. The temperature of the air is reduced to dew point with its volume remaining constant. 2. Condensation occurs only when the volume of air is increased. 3. Moisture is added to the air through evaporation. Which of the statements given above are correct?

Based on the altitude-based classification of clouds in meteorology, which of the following is categorised as a middle-level cloud?

Which cloud type exists in patches, can be seen scattered, and has a flat base?

Wherever mountains run parallel to the coast, the rain is greater on the:

With reference to clouds, consider the following statements: 1. They are formed by the evaporation of water vapour in free air at considerable elevations. 2. They are classified based on height, expanse, density, and transparency. 3. Cirrus clouds are always black in colour. Which of the statements given above is/are correct?

Fogs are described as "mini clouds" in which condensation takes place around nuclei provided by:

Which of the following statements about 'Mist' is correct?

Which of the following cloud types is formed at the highest altitude (8,000 - 12,000m)?

Cirrus clouds, known for their feathery appearance, are typically characterised by which of the following visual properties?

Consider the following statements regarding the capacity of air to hold water vapour: 1. It is independent of temperature. 2. It increases with an increase in temperature. 3. The capacity to hold moisture is solely determined by the temperature of the air. Which of the statements given above is/are correct?

In meteorology, hexagonal crystal structures are characteristic of which form of precipitation?

Which of the following regions typically receives heavy rainfall of over 200 cm per annum? 1. The equatorial belt typically receives less than 50 cm of rainfall per annum. 2. Windward slopes of mountains along western coasts in the cool temperate zone 3. Coastal areas of the monsoon land Select the correct answer using the code given below:

With reference to Convectional Rain, consider the following statements: 1. It is caused when air on being heated becomes light and rises up. 2. It is associated with stratus clouds and drizzle. 3. It is very common in the equatorial regions. Which of the statements given above is/are correct?

Based on standard altitude-based classification of clouds in meteorology, which of the following combinations corresponds to high-level clouds?

Precipitation reaches the Earth’s surface in the form of rainfall under which of the following atmospheric conditions?

With reference to water vapour in the atmosphere, consider the following statements: 1. It constitutes a constant four % by volume of the atmosphere across all regions. 2. It is the gaseous form in which water exists in the atmosphere. 3. It generally increases from the equator towards the poles. Which of the statements given above is/are correct?

With reference to Relative Humidity (RH), consider the following statements: 1. It is defined as the weight of water vapour per unit weight of air. 2. It is generally greater over the oceans than over the continents. 3. It changes with a change in air temperature. Which of the statements given above is/are correct?

Which of the following conditions is considered the most favourable for condensation to occur?

Consider the following statements regarding evaporation: 1. It is the process by which water is transformed from liquid to gaseous state. 2. The temperature at which water starts evaporating is called the dew point. 3. Movement of air replaces the saturated layer with an unsaturated layer, thereby increasing evaporation. Which of the statements given above is/are correct?

Condensation in the atmosphere is influenced by which of the following factors? 1. Volume of air 2. Temperature 3. Pressure 4. Humidity Select the correct answer using the code given below:

In meteorology, which of the following characteristics is typically associated with cumulus clouds?

Which of the following atmospheric conditions arises due to the interaction between suspended particulate matter and moisture in the air?

Which of the following cloud types is described as "shapeless masses of thick vapour"?

In meteorology, which of the following cloud types are characterised by significant vertical development?

Consider the following statements regarding the world distribution of rainfall: 1. In general, rainfall decreases steadily from the equator towards the poles. 2. Coastal areas generally receive less rainfall than the interior of the continents. 3. Rainfall is more over the oceans than on the landmasses. Which of the statements given above is/are correct?

In the context of Orographic Rain, the area situated on the leeward side which gets less rainfall is known as:

Which type of rainfall is characterized by a "windward slope" receiving greater rainfall and a "leeward slope" remaining dry?

What is the primary cause for the transformation of water from liquid to gaseous state during evaporation?

Which of the following statements is correct regarding the distribution of water vapour in the atmosphere?

When the temperature of an air mass containing a large quantity of water vapour falls suddenly, condensation takes place on fine dust particles, resulting in:

In meteorology, the basic classification of clouds into Cirrus, Cumulus, Stratus, and Nimbus is primarily based on which of the following criteria?

Poor to zero visibility in the lower atmosphere is generally caused by which of the following?

In the standard classification of clouds based on height, which of the following is categorised as a low cloud?

The continuous exchange of water between the atmosphere, the oceans, and the continents occurs through which of the following processes? 1. Evaporation 2. Transpiration 3. Condensation 4. Precipitation Select the correct answer using the code given below:

Which of the following statements explains why rainfall is more over the oceans than on the landmasses?

Which clouds are so low that they sometimes seem to touch the ground?

Convectional rainfall is characteristically associated with which of the following climatic regions or settings?

Which of the following best explains why rainfall is first received on the western margins of continents between 45° and 65° N and S latitudes?

Between latitudes 35° and 40° N and S of the equator, the rainfall is generally heavier on which margin of the continents?

Which clouds are generally formed either due to loss of heat or the mixing of air masses with different temperatures?

The release of moisture after the condensation of water vapour is known as:

Which of the following are limited in occurrence and sporadic in both time and space?

With reference to the formation of 'Dew', consider the following statements: 1. It forms when moisture deposits on cold surfaces like stones and grass blades. 2. The ideal conditions include a cloudy sky and strong winds. 3. The dew point must be above the freezing point. Which of the statements given above is/are correct?

Consider the following statements regarding the process of condensation in free air: 1. It occurs independently of hygroscopic condensation nuclei. 2. It may take place when the temperature is close to the dew point. 3. It never occurs if the air volume is reduced. Which of the statements given above is/are correct?