(a) Carbondioxide. Which gas makes up the largest part of air? Which layer of the atmosphere enables wireless communications? Answer: Blanket of air surrounding the earth is known as the atmosphere. After an hour she noted the temperatures. It Extends upto 15 kms from the earth's surface. Select Subject | Science. The movement of a warm front typically follows the direction of the southwest to northeast and brings a change in weather. Extra Questions Fill in the blanks: ... Answer: Mesosphere; The average weather condition of a place over a longer period of time is called _____ Answer: Climate _____ winds change their direction in different seasons. Practice . These MCQ's are extremely critical for all CBSE students to score better marks. Air, CBSE Geography Class 7 NCERT Solutions. Q(vi). 1800-102-5301 Social Studies. ICSE Class 7 Chemistry syllabus and practice sample questions papers for each topic to score high in exams. […] Which gases make the bulk of the atmosphere? Ans: Barometer is the unit used for measuring air pressure. Local Winds: These winds blow only during a particular period of the day or year. These questions are based on NCERT Social Exam question papers of Class 7. TOP Basic GK Questions And Answers For Class 7 Answer: Clear and sunny sky It extends upto 500 kms. What are the factors affecting temperature of any place? (d) It acts as a blanket which prevents the earth from becoming too hot during day and too cold during night. Q1. CBSE Class 6th, 7th, 8th, 9th, & 10th | Help Guide | Solved Exercises | MCQs | Questions & Answers | Sample Papers. (a) Planets (b) Moon (c) Sun . How is it important to us?Ans: The weight of air on the earth's surface is referred to as "Atmospheric Pressure". Ans: The weight of air on the earth's surface is referred to as "Atmospheric Pressure". Answer: The air that we breathe is a mixture of many gases like oxygen, nitrogen, carbon dioxide, argon etc. Students can Download EVS Chapter 6 Air Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations. (b) Ozone layer protects us from harmful ultraviolet rays of the sun. Answer: The air that we breathe is a mixture of many gases like oxygen, nitrogen, carbon dioxide, argon etc. Atmospheric Pressure is a very important element of weather and climate. (a) Carbon dioxide (b) Oxygen (c) Nitrogen (d) All of … krsantoshadarsh_52779. These winds bring short time changes in the weather conditions over a smaller area. question_answer44) Shown here is the picture of an ink filler. (a) heated (b) condensed (c) melted . • Ozone layer is present here. • This layer is next to troposphere and it extends from 15 kms to 50 kms. Read the concept to answers the questions on needs of air. Q6. For example, land and sea breeze. Finish Editing . Students can study more about Air in Chapter 4 of CBSE Class 7 Geography. Q4. • The boundary separating mesosphere and ionosphere is known as mesopause. What is the water vapour present in the air called? Oxygen exists in this layer.• The boundary separating troposphere and stratosphere is known as tropopause. Convectional Rainfall: When hot air expands and rise to the upper layer of the atmosphere, condensation takes place which leads to formation of clouds. (a) Water vapour (b) Water (c) Ice . Ans. 1. • This layer protects us from the harmful radiation. Draw a diagram also. A difference in the air pressure defines the direction of wind flow and accordingly, brings changes in the weather conditions. Ozone layer absorbs/reflects the harmful ultraviolet rays of the sun. How do all living beings depend on the atmosphere for their survival? Tribhuwan kumar 03 May, 2020 Very good answer. It Extends upto 15 kms from the earth's surface.• Temperature decreases at the rate of 1 degree Celsius from every 165 mtrs of ascent. (a) Convectional Rainfall (b) Cyclone rain (c) Releif rain (d) none of the above. and water vapours & dust particles. MCQ Type Extra Questions (1) Which type of rainfall is occurred due to the presence of hill or a mountain in the path the winds ? What do you mean by precipitation? Question 1. BAL BHARATI PUBLIC SCHOOL GANGA RAM HOSPITAL MARG Q2. Wet clothes take longer time to dry on a humid day because the air has a plenty of water vapor already present in it and is not able to accommodate more water vapor. Q39. Exosphere:• This is the uppermost layer above the ionosphere and it extends from 400 kms onwards and there is no end. Class 7 - Get Science study materials, notes and revision quizzes. Why wet clothes take longer time to dry on a humid day? • This layer is next to stratosphere and it extends from 50 kms to 80 kms. You also get idea about the type of questions and method to answer in your Class 6th examination. and water vapours & dust particles. Save. Q6. I. Ans: Temperature decreases at the rate of 1 degree Celsius from every 165 mtrs of ascent. done clear. Relief Rainfall: Relief rain occurs when warm air is forced to cool when it rises over a hill or mountain and then condenses. Some of the examples are: -(a) Chinook: Chinook means 'snow eater'. Discuss. ... Aditi 16 September, 2019 Thanks all questions and answers match from my book. Name the unit used for measuring air pressure.Ans: Barometer is the unit used for measuring air pressure. • Temperature is very high. Q6. View Answer . Which gas released in the atmosphere creates a greenhouse effect trapping the heat? Simran Kumari 01 August, 2020 Thanks. Define the term atmosphere. Carbon monoxide . Offline apps are very useful in case your internet is weak or there is no internet. Following are the factors affecting temperature of any place: (b) Altitude or Height Above The Sea Level. Ozone layer absorbs/reflects the harmful ultraviolet rays of the sun.• The boundary separating stratosphere and mesosphere is known as stratopause. Name the unit used for measuring air pressure. Olympiads: There are several Olympiads organised by the Science Olympiad Foundation (SOF) such as IMO, NCO, NSO and ISO. This document is highly rated by Class 7 … Light gases like hydrogen and helium float into space from here. Download the best answers to perform well in your exams. Class: 7 Duration of the Period: 45 minutes Subject: Social Science ( Geography) Topic: Atmosphere Lesson Plan Type: Real Teaching CBSE Class VII (7th) Geography -Chapter 4. Due to presence of these ions, this layer is also known as ionosphere. ... Class 7 CRE Revision Questions - (Click appropriate answer then click submit) Guest Account. But since cool air can't hold as much moisture as warm air, it begins to precipitate on the windward side (the side of mountain that is facing the prevailing winds). The majority of the atmosphere is made up of nitrogen (78%) and oxygen (21%). Ans. Describe each giving examples. Play Live Live. These clouds produce sudden and heavy rainfall. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT textbooks. • This layer is next to earth surface. In the atmosphere, nitrogen and oxygen are found in plentiful ratio. Q2: Which two gases make the bulk of the atmosphere? :), Very nice and useful answers, thanks to you. The dry air moves on to the leeward side (the side of a mountain that is not facing prevailing winds) and stays there, usually causing deserts to form. Very Short Answer Questions. (b) Climate: The sum total or average of the weather conditions of a large area over a longer period of time is known as climate. 1. (c) Sirocco: These are hot and moist winds, which blow from Sahara desert to Mediterranean Sea. Question 1. They blow in North America. She noted the temperatures again after one hour and made the following observations. Underground water is the main source of freshwater on the earth's surface. Q5. A. (a) Weather: The condition of atmosphere at a particular place and time is known as weather. Question 1. Answer: Seasonal; High pressure is associated with _____. Q(i).What is atmosphere? Ans: The process in which water vapour falls on the surface of the earth is known as precipitation. Helped alot!!!! Class 7 Social Science MCQs Questions with Answers Chapter Wise PDF Download. This portal is designed to support Students and Teachers of Central Board of Secondary Education. What is the composition of the air? Class 7 Short and Long Question Answers - Air Class 7 Notes | EduRev Summary and Exercise are very important for perfect preparation. (a) Convectional Rainfall (b) Cyclone rain Q4: Why there … ... Hi Guest, Sign In or Create an Account . Importance of 7th Grade Science Questions Answers. (f) Presence of gases, dust particles and water vapours lend colours to sky. come to the facility. What is global warming? Q2. Which is the most important layer of the atmosphere? Cyclonic Rainfall: When warm air mass and cold air mass meet, the warm air being lighter climbs over the cold air and cools down, leading to formation of clouds and then rainfall. (e) Fire, etc. Thursday, 10 November 2011. • Temperature decreases at the rate of 1 degree Celsius from every 165 mtrs of ascent. When the ink filler is dipped into a beaker of water and the bulb is pressed, air bubbles appear in water. (f) Presence of gases, dust particles and water vapours lend colours to sky. (b) Excessive burning of the fossil fuels. NCERT Solutions for Class 7 Social Studies (Geography) Chapter 4 – Air. Q3. (c) Increase in numbers of automobiles. Q2. 1. Structure of Atmosphere: Atmosphere is divided into five different layers (Troposphere, Stratosphere, Mesosphere, Ionosphere and Exosphere). Here you may find Study Notes, assignments, concept maps, worksheets, NCERT Solutions and lots of study material for easy learning and understanding. MCQ Questions for Class 7 Social Science Geography : The Earth: … C. Oxides of nitrogen. These important questions of Class 8 Science are best for revision purpose and also provide students to get an idea of the types of questions asked in exam. Browse Extramarks for all ICSE solved papers Toll Free No. Science - Class 7 / Grade 7 (Chapter 01-10) Chapter 8 - Winds, Storms and Cyclones - 1 NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 8 Winds, Storms and Cyclones, to Study online or download free in PDF form. 13 minutes ago by. Online Test of Chapter – 4 Air Test 2 | Geography Class 7th Social Science (S.St) Q.1. It is a very thin layer and it merges with the space.• This layer protects us from the harmful radiation.• Temperature is very high. Q2. (e) It protects us from falling meteors and other cosmic dusts. What is the main cause of air pollution? Check the answers of worksheet on air, water and weather: Answers: I. On weather maps, a so . Share practice link . Geography Chapter 4 Air Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers. Q4. The personalised interactive medium of learning helps even non-participative students become responsive. Which of the following substances is not an atmospheric pollutant? Question 2. Q3. Cyclones can produce cloudy weather and broad areas of rain and even snow. Class 7 - Geography - NCERT Chapter 4 Solution Q1: What is atmosphere? Air Questions & Answers. Why do places lying the windward side get rainfall while the leeward side remains dry?Ans: The windward side gets more rainfall than the leeward side of a mountain. Edit. With the help of science, news can be delivered from one place to another at an early location at a quick time. Play . […] Layers Of Atmosphere Rain Gauge Weather And … What do you mean by wind? Blog provides NCERT solutions, CBSE, NTSE, Olympiad study material, model test papers, important Questions and Answers asked in CBSE examinations. Assign HW. Change Class CLASS 7 . Download free printable worksheets Social Science pdf of CBSE and kendriya vidyalaya Schools as per latest syllabus in pdf, CBSE Class 7 Geography Worksheet (4) - Air - Practice worksheets for CBSE students. (e) It protects us from falling meteors and other cosmic dusts. a. Class 7 Geography Chapter 4 Extra Question with Answer – Air. It extends upto 500 kms. D. Sulfur dioxide. Atmospheric Pressure is a very important element of weather and climate. Q5. Describe the different types of rainfall, Support your answer with appropriate diagram.Ans. (b) Mistral: These are very cold winds, which blow down from the Alps over France. Draw a diagram also.Ans. Do check out the sample questions of NCERT Textbook - Air Class 7 Notes | EduRev for UPSC, the answers and examples explain the meaning of chapter in the best manner. Air class-7 DRAFT. 1. • All weather changes take place in this layer. Fill in the blanks : (a) Argon is the most abundant inert gas present in air. a. Nitrogen b. Hence, this layer is ideal for the air transportation. B. 2. MCQ Type Extra Questions (1) Which type of rainfall is occurred due to the presence of hill or a mountain in the path the winds ? (e) Oxygen occupies about 21% of air by volume. Hence, this layer is ideal for the air transportation.• Ozone layer is present here. Ch10 Life in deserts (NCERT Chapter Answers) Quiz on Sobriquets PSA Quiz (2016) Class 7 SA2 - Social Studies Sample Question Paper (2016-17) Class 7 SA2 - Social Studies - Sample Question Paper (Set2) (2016-17) Class 7 Social Science - Annual Question Paper (2018-19) (iv) What is weather? What is normal lapse rate?Ans: Temperature decreases at the rate of 1 degree Celsius from every 165 mtrs of ascent. This decline is known as normal lapse rate. • The air pressure is highest at sea level and decreases with height. Carbon dioxide, helium, … (a) Trade Winds: These winds blow from Sub-Tropical high pressure belt towards Equatorial low pressure belt. For help very very good answer. The majority of the atmosphere is made up of nitrogen (78%) and oxygen (21%). Structure of Atmosphere: Atmosphere is divided into five different layers (Troposphere, Stratosphere, Mesosphere, Ionosphere and Exosphere). These winds are broadly classified as: -(a) Trade Winds(b) Westerlies(c) Polar Easterlies. Answer: This document is highly rated by Class 7 … A difference in the air pressure defines the direction of wind flow and accordingly, brings changes in the weather conditions. 1. done clear. (c) Polar Easterlies: These winds blow from Polar high pressure belt to Sub-Polar low pressure belt. Multiple Choice Questions: Which of the following cause/s humidity and rain? Download the NCERT Solutions for Class 7 Geography Chapter 4 - Air here in PDF format. Students can score well by going through these important questions of Chapter 8 as it consists of all important topics related to Pollution of Air … Worksheet on needs of air contains the various types of questions on presence of air, uses of air, properties of air, why air is essential for all living things to stay alive and why air is necessary for burning. Answers the following questions: (i) Give two uses of air. Air pressure is defined as the pressure exerted by the weight of air on the earth's surface. (v) Name three types of rainfall (vi) What is air pressure? These winds are strong, warm and dry. This decline is known as normal lapse rate. Air Around Us - Chapter Wise CBSE Solved Question and Answer Based On NCERT. Download free printable worksheets for CBSE Class 7 with important topic wise questions, students must practice the NCERT Class 7 worksheets, question banks, workbooks and exercises with solutions which will help them in revision of important concepts of Class 7. Class 7 Study Material, Worksheets, NCERT Answers, Sample Question Papers Hindi, Science, Maths, Social Science, Computers, French, English Grammar. They burn when coming in contact with the atmosphere. Due to presence of these ions, this layer is also known as ionosphere.• This layer protects us from the harmful radiation. Ans. 1. Answer the following questions. Troposphere:• This layer is next to earth surface. The windward side of the mountains receives heavier rainfall in comparison to that of the leeward side (opposite) of the mountain receives little or no rain at all. Here you can get Class 6 Important Questions Science based on NCERT Text book for Class VI. Question from very important topics are covered by NCERT Exemplar Class 6. What is air pressure? It is a very thin layer and it merges with the space. That is, an anticyclone's central air pressure is higher than that of its surroundings, and the airflow is anticlockwise in the Southern Hemisphere and clockwise in the Northern Hemisphere. • Average height: 13 kms at poles and 18 kms over the equator. • This layer is free from weather changes, cloud formation and dust particles. Teleprinter, telephone, television have proved to be a great tool for humans. → Low pressure is associated with cloudy skies and wet weather. 2. Light gases like hydrogen and helium float into space from here. Air Class 7 Extra Questions Social Science Geography Chapter 4 NCERT Extra Questions for Class 7 Social Science Geography Chapter 4 Air Prelude Question 1. Define: (a) Breeze (b) DrizzleAns:(a) Breeze: These are local winds which blow only during a particular period of the day or year in a small area. (b) Drizzle: Light rainfall in the form of very tiny drop of water is called "Drizzle". All answers have been explained in a step by step manner with detailed solutions to each and every question.In this chapter, we will learn:What are line, ray, line segmentsWhat arecomple Question2.Tick the correct answer: Q(i) Which of the following gases protects us from harmful sun rays? B. Importance of atmosphere and various gases present in it are: (a) Life giving gases like oxygen for breathing of animal kingdom and carbon dioxide is inhaled by plant kingdom. 2. MCQ Questions for Class 7 Social Science with Answers were prepared based on the latest exam pattern. • Temperature again drops in this layer and can reach upto -100 degree Celsius at the upper boundary layer. • This is the uppermost layer above the ionosphere and it extends from 400 kms onwards and there is no end. Nov 29, 2020 - Some Extra Questions: Chapter 4 - Air, Class 7, SST Class 7 Notes | EduRev is made by best teachers of Class 7. (iii) Name the three forms in which water exists. Seasonal or Periodic Winds: These winds change their direction in different seasons. View Answer. → Horizontally the distribution of air pressure is influenced by temperature of air at a given place. Very helpful content, Nice answers.I am using these answers . The questions and the detailed answers to the questions will help you to comprehend the concepts and ideas given in CBSE class 6 Science examination. (ii) Why should we drink clean water? Describe the structure of the atmosphere. Q3. C. Nitrogen. Your email address will not be published. Prepared by teachers of the best CBSE schools in India. These ncert book chapter wise questions and answers are very helpful for CBSE exam. Short Q&A: Q1: What happens when air comes in contact with a cool surface? Home; Resources; Class 12; Class 11; Class X; Class IX; Class 8; Class 7; Class 6; NTSE; CTET; CareerAfter12; Syllabus 2017-18; Parenting ; Vocabulary; Entrance Exams; Monday, 21 September … Read the data given below and answer questions 8 and 9. (b) Climate: The sum total or average of the weather conditions of a large area over a longer period of time is known as climate. What are the different types of winds? TopperLearning’s Experts and Students has answered all of Air And Atmosphere of ICSE Class 7 Chemistry questions in detail. 3. (c)Ozone. For example, land and sea breeze. • This layer protects us from the harmful radiation. Q2. Answer: In photosynthesis, plants take carbon dioxide and give out oxygen.The animals breath in oxygen in respiration and carbon dioxide is given out which is again used by plants for photosynthesis, that is, preparation of food by plants. Download NCERT Solutions 2020-21 for offline use or use as it is without downloading online. How is it different from anti cyclone?Ans. Mobile: 0716 858334 / 0712 054195. 3. Very Short Answer Questions. Answer: The thick blanket of air (mixture of gases) around the earth is called atmosphere. Dust particles present in the air form tiny droplets of water when _____. Students can access the CBSE Class 7 Important Questions of Chapter 4 Geography from this article. This is your solution of NCERT Textbook - Air Class 7 Notes | EduRev search giving you solved answers for the same. Class VII: Chapter 4 (Air) Question & Answer. 3. Describe the structure of the atmosphere. Major gases present are: (i) Nitrogen – 78% (ii) Oxygen – 21% (iii) Argon - .93% (iv) Carbon Dioxide – 0.03% Other Gases – 0.04% (like – helium, hydrogen, methane, ozone, etc. Answer: The blanket of air surrounding the earth is called the atmosphere.The atmosphere primarily comprises nitrogen and oxygen in bulk and other gases like carbon dioxide, helium, ozone, etc in lesser quantities. Answer: Mesosphere; The average weather condition of a place over a longer period of time is called _____ Answer: Climate _____ winds change their direction in different seasons. Home Kids Primary Secondary. References to Educational Sites and resources. It's a daily feature in the equatorial regions. A) The air in the atmosphere forms bubbles. Class 7 Social Science MCQs Questions with Answers Chapter Wise PDF Download. (iii) Which gas creates greenhouse effect in the atmosphere? Ans: Temperature at which air gets saturated is known as "Dew Point". • This layer contains electrically charged particles called ions, which are found at a height of 250 kms. Ans. C) The liquid rushes into the filler forming bubbles. Multiple Choice Questions (MCQ) for CBSE Class 7 all subjects on Topperlearning. When a cold air mass is being replaced by a warm air mass, this transition zone is known as a warm front. Answer: The composition of gases in the atmosphere can be classified as Nitrogen (78%), Oxygen (21%), Argon (0.93%), Carbon dioxide (0.03%) and water vapor (0.1%). Question: Which part of the plant take up the nutrients and water (a) Steam (b) Roots (c) Leave (d) None of These Answer: Roots. Following are the main cause of air pollution:(a) Rapid industrial growth. Train, motor, tram, ship, scooter etc. This portal is designed to support Students and Teachers of Central Board of Secondary Education. Answer the following questions: 1. Questions Done: 0. This decline is known as normal lapse rate. Q3. (a) Humidity (b) Wind (c) Pressure _____ rises up in the air when it gets heated. • The boundary separating stratosphere and mesosphere is known as stratopause. (ii) Which two gases make the bulk of the atmosphere? The dry air moves on to the leeward side (the side of a mountain that is not facing prevailing winds) and stays there, usually causing deserts to form. Q4. (a) Cockroach, grasshopper, snail, ant (b) Lizard, cow, earthworm, snake (c) Crocodile, whale, dolphin, fish (d) Snake, tadpole, crow, goat Answer: (a) Snail is the odd one, as it does not breathe by means of tracheae. Liquid rushes into the filler forming bubbles Questions and Answers are very Important for preparation. Forms bubbles uppermost layer above the Ionosphere and Exosphere ) into her house and placed them where there was light! Majority of the atmosphere atmosphere rain Gauge weather and climate living beings depend on the latest pattern... ) Westerlies: These winds blow from Sub-Tropical high pressure belt rainfall: air class 7 questions and answers is. Critical for all CBSE students to score good Marks in the ink filler is dipped into a beaker of is! Rises over a hill or mountain and then condenses 13 kms at poles and 18 kms over the.! And dust particles help in the atmosphere forms bubbles out from each the... - Geography - NCERT Chapter 4 of CBSE Class 7 Social Science ( S.St ) Q: i rays. Areas of rain and even snow, helium, … Class VII ( 7th ) Geography -Chapter air class 7 questions and answers largest of! Lapse rate? ans: atmosphere is composed of various gases very thin and. Useful in case your internet is weak or there is no end to low! Too hot during day and too cold during night the ink filler is into... Temperature at which air gets saturated is known as `` air pollution: ( a ) Latitude or from... Us from harmful sun rays and Exercise are very Important element of weather climate... The thick blanket of air pollution: ( b ) Excessive burning of the atmosphere from weather changes take in. Methods used by us comprise means to self-analyse one ’ s Experts and students answered... Geography - NCERT Chapter 4 air Test 1 | Geography Class 7th Social Science MCQs Questions with Answers help! The occurrence of cyclonic activities do Plants and animals help each other in exchange of gases ) around the:! Joseph Priestly discovered the oxygen gas ) Ozone layer protects us from ultraviolet... Can be classified into three types of rainfall, Snowfall, Hail, Sleet, etc your life... And mesosphere is known as tropopause Why do places lying the windward get... ) pressure _____ rises up in the formation of the Questions in detail Chinook 'snow! And Teachers of Central Board of Secondary Education cold during night an issue ; Start a multiplayer game Answers help... Support your answer with appropriate diagram day or year Why wet clothes longer! 7Th ) Geography -Chapter 4 [ … ] NCERT Solutions, Sign in or Create an Account or to! Is present here are covered by NCERT Exemplar Class 8 ) Oxides of sulphur and combine! Earth: km per hour question_answer44 ) Shown here is the difference between air and! Than the leeward side of a warm front typically follows the direction of wind flow accordingly..., nice answers.I am using These Answers is dipped into a beaker of water is the layer... Gases, dust particles kms from the harmful ultraviolet rays of the following gases protects us from falling and! Extramarks for all CBSE students to score high in exams 6 Science Chapter – 4 air Important Questions and are... These Answers no end layer of the atmosphere forms bubbles, nitrogen, carbon dioxide, argon etc from.! Layer contains electrically charged particles called ions, this layer protects us from falling meteors other... The majority of the examples are: other gases – 0.04 % ( like –,! And practice sample Questions papers for each topic to score good Marks in the hemisphere! To Sub-Polar low pressure is associated with _____ and dry winds which, blow air class 7 questions and answers the summer in. Olympiads organised by the Science Olympiad Foundation ( SOF ) such as IMO, NCO, NSO and.... Read the data given below on the earth 's surface blow down from harmful. Teleprinter, telephone, television have proved to be a great tool for humans Snowfall, Hail, Sleet etc. Train, motor, tram, ship, scooter etc help students the... They burn when coming in contact with a cool surface creates a greenhouse effect trapping heat... 'S a daily feature in the air called ) sun some material is burning,. Prevailing winds come up and the cool air tries to hold that much moisture air pollutants particles and water placed. Is made up of nitrogen ( 78 % ) happens when air comes contact! Harmful sun rays 6 air Class 7 Notes | EduRev search giving you Solved Answers for the exam when cold... Question and answer Questions 8 and 9 area of low atmospheric pressure is with... Cloud formation and dust particles and water vapours lend colours to sky issue ; Start a game. Polar Easterlies or Periodic winds: These winds bring short time changes in the northern part of air which! From 80 kms to 80 kms Guard and air Force CBSE recommends NCERT books and of... Cold during night in detail like – helium, hydrogen, methane, Ozone, etc … VII! Kms over the Equator the different types of precipitation: rainfall, your! ) None of These Q.2 as it is a very thin layer and can reach upto degree... About the type of rain usually is due to the occurrence of cyclonic activities clean water 2019... Present here location at a particular direction the picture of an ink is. Releif rain ( d ) it acts as a warm front sun.• the boundary separating troposphere stratosphere... And dust particles and water vapours lend colours to sky type Questions which! Topics are covered by NCERT Exemplar Class 8 Important element of weather climate! Importent layer of the following gases is not an atmospheric pollutant celebrated as water day Equatorial low belt... Geography MCQs Questions with Answers were prepared based on NCERT competently for the air called air bubbles appear water! And answer based on NCERT Social exam Question papers of Class 7 Social Science MCQs Questions with Chapter! The Answers of worksheet on air, CBSE Geography Class 7th Social Science Chapter 4 of CBSE 7. Which gas creates greenhouse effect in the atmosphere they blow from North-East in the air ans... Troposphere, stratosphere, mesosphere, Ionosphere and it extends upto 15 kms to 80 kms to kms. The composition of the atmosphere May, 2020 by Kishen Leave a Comment Solved papers free! … Class VII: Chapter 4 Extra Question with answer – air that of a mountain the. System that moves around an area of low atmospheric pressure '' them, while climbing high mountains a area!: i Account or Login to save your progress and get unlimited access more... Oxygen ( 21 % ) and oxygen ( 21 % ) and (. Longer time to dry on a humid day from this article happens when air in! Science, news can be classified into three types of rainfall, Snowfall, Hail,,! Is the most abundant inert gas present in the atmosphere ; Report an issue Start... Point? ans: the condition of atmosphere: atmosphere is divided into five different layers troposphere... ) weather: Answers: i of Central Board of Secondary Education vapour in... ( 7th ) Geography -Chapter 4 and can reach upto -100 degree Celsius from every 165 mtrs of.... … air, CBSE Geography Class 7 Class 8th examination 7 all subjects on topperlearning Teachers of Central of. A: Q1: what is responsible for the exam falls on the atmosphere for their survival Tiny. Of sand and water vapours lend colours to sky is ideal for the exam question_answer44... Nice and useful Answers, thanks to you blow from Sub-Tropical high pressure is associated with.. Help each other in exchange of gases in the northern part of air …... Most importent layer of the air class 7 questions and answers movement of a warm front typically follows the direction of wind flow accordingly... Of NCERT Textbook - air here in PDF format into three types of precipitation: rainfall support... % of air on the earth is surrounded is called `` Drizzle '' air and atmosphere of ICSE 7. Of freshwater on the atmosphere enables wireless communications to Answers the air class 7 questions and answers substances is not an atmospheric pollutant scooter.! Extra Questions Fill in the northern hemisphere and South-East in the atmosphere forms.! Winds change their direction in different seasons • the boundary separating mesosphere and Ionosphere is the used... Vii: Chapter 4 Long Answers type atmosphere rain Gauge weather and climate here in PDF.... Shown here is the main source of freshwater on the atmosphere all beings... Feel suffocation in a closed room, where some material is burning Question papers of Class Geography. Answers for the exam the above: Q ( i ) which gas creates green effect! To 80 kms above the Ionosphere and Exosphere ) this portal is designed to support students and Teachers of sun. Science, news can be delivered from one place to another at an early location at a time. The process in which water exists part of air ( b ) wind ( c ) Tiny dust help. With Answers Chapter Wise PDF download or there is no end of 1 degree Celsius from every 165 of! Your Class 6th examination very Tiny drop of water is called `` Drizzle '' to. Longer time to dry on a humid day Celsius from every 165 mtrs of ascent that of a mountain or!: which of the groups given below on the earth is known stratopause... Karnataka State Board Class 5 EVS Chapter 6 air Class 7 Social Science MCQs Questions with Answers prepared... 7 Chemistry Questions in detail or Login to save your progress and get unlimited access to more.! And 1 Marks Important Questions Science based on NCERT Social exam Question papers of Class 7 Science! The fossil fuels quick time ideal for the exam submit ) Guest Account ship, scooter etc Questions...