Class 7th Geography Social Science Chapter – 4 Air
| Textbook | NCERT |
| Class | 7th |
| Subject | (Geography)Social Science |
| Chapter | Chapter – 4 |
| Chapter Name | Air |
| Category | Class 7th Social Science Geography |
| Medium | English |
| Source | Last Doubt |
| Class 7th Geography Social Science Chapter – 4 Air MCQ What is this air? What is our air made up of? What is the important of air? Why is air called? What is air full form? What is a air ? What is air in studies? What is air in easy language? What is air and types? What is air for? What are 10 uses of air? What is air ? What is air and example? What is a air ?What is air for kids? Why air pollution? How to stop air pollution? What are 4 types of pollution? What are the 4 types of air pollution? |
Class 7th Geography Social Science Chapter – 4 Air
Chapter – 4
Air
MCQ
| (1) Where is the air pressure highest? A. Moon B. Sea level C. Stratosphere D. Exosphere Answers – (B) Sea level |
| (2) Excess amount of CO2 is responsible for A. Global cooling B. Global warming C. Both A and B D. None of these Answers – (B) Global warming |
| (3) Which layer is almost free form clouds A. Troposphere B. Mesosphere C. Stratosphere D. Thermosphere Answers – (C) Stratosphere |
| (4) When the air is heated it becomes A. Lighter B. Heavier C. Colder D. None of these Answers – (A) Lighter |
| (5) Which is the second most plentiful gas in the air A. Nitrogen B. Argon C. Oxygen D. Hydrogen Answers – (C) Oxygen |
| (6) What is the average height of the troposphere? A. 3 km B. 6 km C. 9 km D. 13 km Answers – (D) 13 km |
| (7) Which gas is used by the green plants to make their food? A. Oxygen B. Carbon dioxide C. Nitrogen D. None of these Answers – (B) Carbon dioxide |
| (8) Which one of the following is a local wind? A. Sea breeze B. Trade wind C. Monsoon air D. None of these Answers – (A) Sea breeze |
| (9) What are the important objects for survival of plants and animals? A. Rainfall B. Sun light C. Oxygen D. All of these Answers – (D) All of these |
| (10) Which one of the following gases protects us from harmful sun’s rays? A. Ozone B. Nitrogen C. Carbon dioxide D. Oxygen Answers – (A) Ozone |
| (11) Our earth is surrounded by a huge blanket of A. Sand B. Air C. Plants D. Water Answers – (B) Air |
| (12) The water boils at A. 10°C B. 50°C C. 75°C D. 100°C Answers – (D) 100°C |
| (13) What is very hot wind called? A. Loo B. Cool breeze C. Monsoon air D. Trade wind Answers – (A) Loo |
| (14) Rain, snow sleet or hail are the different forms of? A. Condensation B. Evaporation C. Precipitation D. All of these Answers – (C) Precipitation |
| (15) The degree of hotness & coldness of the air is known as A. Weather B. Temperature C. Climate D. Season Answers – (B) Temperature |
| (16) Which of the following are part of weather forecast in the newspaper? A. Temperature B. Humidity C. Time of sunset D. All of these Answers – (D) All of these |
| (17) As we go up in troposphere layer of the atmosphere the pressure A. Increase B. Decrease C. No change D. All of these Answers – (B) Decrease |
| (18) Which one of the following gases is present in the atmosphere in the highest amount? A. Oxygen B. Carbon dioxide C. Nitrogen D. Lithium Answers – (C) Nitrogen |
| (19) Which element of weather is measured in degree Celsius? A. Temperature B. Pressure C. Wind D. Gravity Answers – (A) Temperature |
| (20) Which of the following is not the types of rainfall A. Orographic rainfall B. Cyclonic rainfall C. Convectional rainfall D. Seasonal rainfall Answers – (D) Seasonal rainfall |
| NCERT Solution Class 7th Geography All Chapters MCQ |
| NCERT Solution Class 7th Geography All Chapters Question Answer |
| NCERT Solution Class 7th Geography All Chapters Notes |
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