Q2. Multiple Choice Questions: Which of the following cause/s humidity and rain? What is the composition of the air? Helped alot!!!! It always produces a rain shadow effect. Ans: Atmosphere is composed of various gases. Questions and Answers . 0. References to Educational Sites and resources. She took two bowls of sand and water and placed them in sunlight. Underground water is the main source of freshwater on the earth's surface. 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) They blow from North-East in the northern hemisphere and South-East in the southern hemisphere. It is a very thin layer and it merges with the space.• This layer protects us from the harmful radiation.• Temperature is very high. Dust particles present in the air form tiny droplets of water when _____. Ans. What are the factors affecting temperature of any place? 5. 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. Nov 29, 2020 - Some Extra Questions: Chapter 4 - Air, Class 7, SST Class 7 Notes | EduRev is made by best teachers of Class 7. Q4. Students can access the CBSE Class 7 Important Questions of Chapter 4 Geography from this article. Question 1. Q1. Question 2. Following are the main cause of air pollution:(a) Rapid industrial growth. (a) heated (b) condensed (c) melted . 0 likes. Ans: Temperature at which air gets saturated is known as "Dew Point". When a cold air mass is being replaced by a warm air mass, this transition zone is known as a warm front. Why is atmosphere important for us?Ans. 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. Answer: Seasonal; High pressure is associated with _____. Draw a diagram also.Ans. (b) Ozone layer protects us from harmful ultraviolet rays of the sun. D. Sulfur dioxide. Q1. • This layer is next to earth surface. 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). Teleprinter, telephone, television have proved to be a great tool for humans. They blow in North America. 0% average accuracy. Answer the following questions. NCERT Solutions for Class 6 Science Air around Us. What is atmospheric pressure? Fill in the blanks : (a) Argon is the most abundant inert gas present in air. ... Hi Guest, Sign In or Create an Account . 22 January b. To score good marks in the examinations, students are advised to study NCERT solution for class 6 science. Name the unit used for measuring air pressure.Ans: Barometer is the unit used for measuring air pressure. (e) It protects us from falling meteors and other cosmic dusts. Online Test of Chapter – 4 Air Test 2 | Geography Class 7th Social Science (S.St) Q.1. Helium. 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. Here you can get Class 8 Important Questions Science based on NCERT Text book for Class VIII. Practice . (c) Tiny dust particles help in the formation of the rain droplets. (b) Mistral: These are very cold winds, which blow down from the Alps over France. These winds are strong, warm and dry. Which of the following substances is not an atmospheric pollutant? Play . 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 ? Ozone layer absorbs/reflects the harmful ultraviolet rays of the sun.• The boundary separating stratosphere and mesosphere is known as stratopause. Following are the factors affecting temperature of any place: (b) Altitude or Height Above The Sea Level. This is because the prevailing winds come up and the cool air tries to hold that much moisture. • This layer is free from weather changes, cloud formation and dust particles. 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. • This layer is next to mesosphere and it extends from 80 kms to 400 kms. ICSE Class 7 Chemistry syllabus and practice sample questions papers for each topic to score high in exams. That is why it tends to sink down. Class 7 Geography Chapter 4 Extra Question with Answer – Air. • Temperature is very high. Play Live Live. Q2. (d) Burning of solid waste. ... Aditi 16 September, 2019 Thanks all questions and answers match from my book. Quiz On Air 11 Questions | By Bridgette | Last updated: Oct 17, 2018 | Total Attempts: 7183 Questions All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions 11 questions They burn when coming in contact with the atmosphere. Temperature increase with increase in height. NCERT Solutions For Class 7 Geography Social Science Chapter 4 Air. It Extends upto 15 kms from the earth's surface. (e) Fire, etc. (b) Oxides of sulphur and nitrogen combine with rain water to form sulphuric acid and nitric acid which cause acid rain. What are the different types of winds? What is air pressure? done clear. 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. Q5. Air - Solved Exercises Question1.Answer the following questions. Reading Skills get sharpened through unseen passage reading comprehension test so we are providing reading comprehension exercises with answers.Going through these reading comprehension passages with multiple choice questions will really help you to solve reading comprehension questions.We provide simple comprehension passages with questions and answers which have value based questions. Answer. What is responsible for the excess of … Q5. What is the main source of freshwater on the earth's surface?Ans: The process in which water vapour falls on the surface of the earth is known as precipitation. 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. Hence, this layer is ideal for the air transportation. Class: 7 Duration of the Period: 45 minutes Subject: Social Science ( Geography) Topic: Atmosphere Lesson Plan Type: Real Teaching 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. 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). What do you mean by wind? (d) It acts as a blanket which prevents the earth from becoming too hot during day and too cold during night. Light gases like hydrogen and helium float into space from here. Very Short Answer Questions. Browse Extramarks for all ICSE solved papers Toll Free No. Answer: The air that we breathe is a mixture of many gases like oxygen, nitrogen, carbon dioxide, argon etc. Surrounding air moves toward the low-pressure area and starts to circulate, cyclone moves clockwise in the Southern Hemisphere and anticlockwise in the Northern Hemisphere. 2. This makes the leeward side of the mountain have a dry climate. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT textbooks. (e) It protects us from falling meteors and other cosmic dusts. Troposphere:• This layer is next to earth surface. 7th grade . → Horizontally the distribution of air pressure is influenced by temperature of air at a given place. Ans: The process in which water vapour falls on the surface of the earth is known as precipitation. Ans. Finish Editing . Ans. A cyclone is a large wind system that moves around an area of low atmospheric pressure. For example, land and sea breeze. What do you mean by precipitation? Class 7 Short and Long Question Answers - Air Class 7 Notes | EduRev Summary and Exercise are very important for perfect preparation. (c) Tiny dust particles help in the formation of the rain droplets. Question 2. These extra questions will help you brush up your Class 7 Social science academic skills and further help in your SA1, SA2 and annual exams. Ans. What is global warming? Which layer of the atmosphere enables wireless communications? and water vapours & dust particles. (iv) Write three uses of water in your daily life. For help very very good answer. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE NCERT Solutions for Class 7 Social Science Geography Chapter 4 Air is given here updated for session 2020-2021. What is the water vapour present in the air called? Share practice link . Which of the following gases is not present in air? (iii) Which gas creates greenhouse effect in the atmosphere? GK Quiz General Knowledge GK Questions Answers Class 7. (b) Altitude or Height Above The Sea Level(c) Distance From The Sea(d) Prevailing Winds and Ocean Currents(e) Slope of Land. Thermosphere:• This layer is next to mesosphere and it extends from 80 kms to 400 kms.• This layer contains electrically charged particles called ions, which are found at a height of 250 kms. 1. The simple and accurate answers provided here are perfect for effective exam preparations. Hence, this layer is ideal for the air transportation.• Ozone layer is present here. View Answer. 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. Q3: Why you feel suffocation in a closed room, where some material is burning? Q6. Types of precipitation: Rainfall, Snowfall, Hail, Sleet, etc. Answer:(c) Ozone. (iii) Name the three forms in which water exists. This document is highly rated by Class 7 … Check the below NCERT MCQ Questions for Class 7 Geography Chapter 4 Air with Answers Pdf free download. Then she took both into her house and placed them where there was no light. (ii) Why should we drink clean water? (d) Joseph Priestly discovered the oxygen gas. ... Class 7 CRE Revision Questions - (Click appropriate answer then click submit) Guest Account. Q6. 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. Jasmine conducted an experiment. a. A) The air in the atmosphere forms bubbles. Answer the following questions: 1. View Answer . (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. Train, motor, tram, ship, scooter etc. Your email address will not be published. This makes the leeward side of the mountain have a dry climate. These questions are based on NCERT Social Exam question papers of Class 7. (a) Convectional Rainfall (b) Cyclone rain • The air pressure is highest at sea level and decreases with height. 1. Q5. Q1. 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. The other name for relief rain is orographic rainfall. Describe each giving examples.Ans. Edit. All questions and answers from the NCERT Book of Class 7 Social science Chapter 4 are provided here for you for free. (b) Drizzle: Light rainfall in the form of very tiny drop of water is called "Drizzle". Why wet clothes take longer time to dry on a humid day? 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. These clouds produce sudden and heavy rainfall. Print; Share; Edit; Delete; Report an issue; Start a multiplayer game . Q1. Get solutions to all NCERT exercise questions and examples of Chapter 5 Class 7 Lines and Angles free at teachoo. Question 9.How do plants and animals help each other in exchange of gases in the atmosphere? Q5. These winds bring short time changes in the weather conditions over a smaller area. (c) Polar Easterlies: These winds blow from Polar high pressure belt to Sub-Polar low pressure belt. Question 1. Describe the composition of the atmosphere. Save. (d) It acts as a blanket which prevents the earth from becoming too hot during day and too cold during night. Class VII: Chapter 4 (Air) Question & Answer. Q4. What do you mean by precipitation? What are the different types of winds? Such fast-moving aircraft and air buses. Why do places lying the windward side get rainfall while the leeward side remains dry? Q1. (c) Increase in numbers of automobiles. krsantoshadarsh_52779. Ans. You also get idea about the type of questions and method to answer in your Class 8th examination. Students can also use the CBSE Class 7 Geography Chapter 4 Air Important Questions to prepare most competently for the exam. Underground water is the main source of freshwater on the earth's surface. Air, CBSE Geography Class 7 NCERT Solutions. Answer: (a) more than 700 km per hour Practicing these NCERT Social Science MCQs for Class 7 CBSE with Answers Pdf will guide students to do a quick revision for all the concepts present in each chapter and prepare for final exams. 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. Some of the examples are: -(a) Chinook: Chinook means 'snow eater'. Cyclones can produce cloudy weather and broad areas of rain and even snow. Q3. and water vapours & dust particles. Question 1. → Low pressure is associated with cloudy skies and wet weather. Ozone layer absorbs/reflects the harmful ultraviolet rays of the sun. Answers the following questions: (i) Give two uses of air. Q5. Geography Chapter 4 Air Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers. Define the term atmosphere. Change Class CLASS 7 . Q1. Class 7 Geography Chapter 4 Extra Question with Answer – Air. Solo Practice . A. (a) Convectional Rainfall (b) Cyclone rain (c) Releif rain (d) none of the above. 13 minutes ago by. (b) Loo: These are hot and dry winds which, blow during the summer season in the northern part of India. Q(ii) The most importent layer of the atmosphere is. Get all questions and answers of Air And Atmosphere of ICSE Class 7 Chemistry on TopperLearning. This is your solution of NCERT Textbook - Air Class 7 Notes | EduRev search giving you solved answers for the same. 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 … (a) Humidity (b) Wind (c) Pressure _____ rises up in the air when it gets heated. 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 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. How is it different from anti cyclone? The personalised interactive medium of learning helps even non-participative students become responsive. Describe the different types of rainfall, Support your answer with appropriate diagram. done clear. Answer. […] Olympiads: There are several Olympiads organised by the Science Olympiad Foundation (SOF) such as IMO, NCO, NSO and ISO. C. Oxides of nitrogen. A difference in the air pressure defines the direction of wind flow and accordingly, brings changes in the weather conditions. Mesosphere:• This layer is next to stratosphere and it extends from 50 kms to 80 kms.• Temperature again drops in this layer and can reach upto -100 degree Celsius at the upper boundary layer.• The boundary separating mesosphere and ionosphere is known as mesopause. The majority of the atmosphere is made up of nitrogen (78%) and oxygen (21%). Answer: a. River’s water b. Pond water c. Sea water d. Rain water Q.2. (a) Planets (b) Moon (c) Sun . Q3. (e) Oxygen occupies about 21% of air by volume. Which day of the year is celebrated as water day? Check the answers of worksheet on air, water and weather: Answers: I. Answer the following questions briefly. Long Answer Type Questions: Describe the composition of the air. Geography Chapter 4 Air Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers. (v) Name three types of rainfall (vi) What is air pressure? Air Class 7 MCQs Questions with Answers. (iv) What is weather? This document is highly rated by Class 7 … Answer. • Ozone layer is present here. Q4. How is it important to us? What is atmospheric pressure? The majority of the atmosphere is made up of nitrogen (78%) and oxygen (21%). Edit. Select Subject | Science. What is the main source of freshwater on the earth's surface? Answer: Clear and sunny sky The following is the list of competitive exams for Class 7: NSTSE: The National Level Science Talent Search Exam is organised by the Unified Council for students from classes 2 to 12.It is one of the most popular scholarship examinations conducted in India. This is because the prevailing winds come up and the cool air tries to hold that much moisture. The movement of a warm front typically follows the direction of the southwest to northeast and brings a change in weather. 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 … Download the NCERT Solutions for Class 7 Geography Chapter 4 - Air here in PDF format. Change Class Class 7 CRE Questions and Answers. Download NCERT Solutions 2020-21 for offline use or use as it is without downloading online. This quiz is incomplete! For example, land and sea breeze. (b)Nitrogen. Q2. (b) Ozone layer protects us from harmful ultraviolet rays of the sun. Answer: Blanket of air surrounding the earth is known as the atmosphere. Download the best answers to perform well in your exams. Discuss. Q3. Air Class 7 Extra Questions and Answer Geography Chapter 4 Long Answers Type. Air Extra Questions Fill in the blanks: Meteorites burn up in the _____. In the atmosphere, nitrogen and oxygen are found in plentiful ratio. C) The liquid rushes into the filler forming bubbles. Give reason for your answer. Question: Which part of the plant take up the nutrients and water (a) Steam (b) Roots (c) Leave (d) None of These Answer: Roots. Q(vi). 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. Atmospheric Pressure is a very important element of weather and climate. This type of rain usually is due to the occurrence of cyclonic activities. Thursday, 10 November 2011. A difference in the air pressure defines the direction of wind flow and accordingly, brings changes in the weather conditions. (b) Westerlies: These winds blow from Sub-Tropical high pressure belt to Sub-Polar low pressure belt. Ans: Atmosphere is composed of various gases. NCERT Solutions for Class 7 Social Science Geography Chapter 4 Air are provided here. The best example is "Monsoon Winds". a. Class 7 Study Material, Worksheets, NCERT Answers, Sample Question Papers Hindi, Science, Maths, Social Science, Computers, French, English Grammar. 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. Multiple Choice Questions (MCQ) for CBSE Class 7 all subjects on Topperlearning. 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. Ans: Thermosphere or Ionosphere is the layer of the atmosphere enables wireless communications. MCQ Questions for Class 7 Social Science Geography. Question 9. 1. Q3. Here you may find Study Notes, assignments, concept maps, worksheets, NCERT Solutions and lots of study material for easy learning and understanding. Ans: The weight of air on the earth's surface is referred to as "Atmospheric Pressure". She noted the temperatures again after one hour and made the following observations. Temperature increase with increase in height. They burn when coming in contact with the atmosphere. Carbon monoxide . :), Very nice and useful answers, thanks to you. What is the composition of the air?Ans: Atmosphere is composed of various gases. thanks nirmancare. After an hour she noted the temperatures. 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. Here you can get Class 6 Important Questions Science based on NCERT Text book for Class VI. Online Test of Chapter – 4 Air Test 1 | Geography Class 7th Social Science (S.St) Q. (a) Trade Winds: These winds blow from Sub-Tropical high pressure belt towards Equatorial low pressure belt. B) The air in the ink filler is released which forms bubbles. Answer: Seasonal; High pressure is associated with _____. […] Layers Of Atmosphere Rain Gauge Weather And … In the United States, cyclones often are called tornadoes. Which gas creates greenhouse effect in the atmosphere? Log in. C. Nitrogen. 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%). Read the data given below and answer questions 8 and 9. Oxygen c. Both a and b d. None of these Q.2. (a) Carbon dioxide (b) Oxygen (c) Nitrogen (d) All of … Q1. Answer: The air that we breathe is a mixture of many gases like oxygen, nitrogen, carbon dioxide, argon etc. • Temperature again drops in this layer and can reach upto -100 degree Celsius at the upper boundary layer. (c)Ozone. Online Test of Chapter -5 Water Test 1 | Geography Class 7th Social Science (S.St) Q. We have Provided Air Class 7 Geography MCQs Questions with Answers to help students understand the concept very well. Exosphere:• This is the uppermost layer above the ionosphere and it extends from 400 kms onwards and there is no end. CBSE Class VII (7th) Geography -Chapter 4. TopperLearning’s Experts and Students has answered all of Air And Atmosphere of ICSE Class 7 Chemistry questions in detail. Ans. Home Kids Primary Secondary. View Answer. It's a daily feature in the equatorial regions. • The boundary separating mesosphere and ionosphere is known as mesopause. • This layer protects us from the harmful radiation. I. Tribhuwan kumar 03 May, 2020 Very good answer. Q3. Describe the different types of rainfall, Support your answer with appropriate diagram.Ans. Ans: Temperature decreases at the rate of 1 degree Celsius from every 165 mtrs of ascent. TOP Basic GK Questions And Answers For Class 7 It extends upto 500 kms. (f) Presence of gases, dust particles and water vapours lend colours to sky. This decline is known as normal lapse rate. You also get idea about the type of questions and method to answer in your Class 6th examination. What is the difference between Air Guard and Air Force? Q2: Why do you think mountaineer carry oxygen cylinders with them, while climbing high mountains? Due to presence of these ions, this layer is also known as ionosphere.• This layer protects us from the harmful radiation. a. Nitrogen b. OBJECTIVE TYPE QUESTIONS. Class 7 Social Science MCQs Questions with Answers Chapter Wise PDF Download. • This layer contains electrically charged particles called ions, which are found at a height of 250 kms. Seasonal or Periodic Winds: These winds change their direction in different seasons. Q6. (a) Air (b) Plants (c) Water (d) None of These Answer: Plants. The methods used by us comprise means to self-analyse one’s preparation. Oxygen. question_answer44) Shown here is the picture of an ink filler. When the ink filler is dipped into a beaker of water and the bulb is pressed, air bubbles appear in water. • Where temperature is high the air gets heated and rises which creates a low-pressure area. Q2. Which layer of the atmosphere enables wireless communications?Ans: Thermosphere or Ionosphere is the layer of the atmosphere enables wireless communications. Question and Answer forum for CBSE Class 7 handled by subject experts; Meritnation serves the purpose of developing learning abilities among CBSE Class 7 students. (ii) Which two gases make the bulk of the atmosphere? This is the Sample Lesson Plan of Social Science For Class 7 teachers of Geography stream on the structure of atmosphere topic For More Lesson Plans Click Here. Simran Kumari 01 August, 2020 Thanks. Rainfall can be classified into three types:1. Air Around Us - Chapter Wise CBSE Solved Question and Answer Based On NCERT. Ans: The windward side gets more rainfall than the leeward side of a mountain. You can see some Short and Long Question Answers - Air Class 7 Notes | EduRev sample questions with examples at the bottom of this page. 3. Q39. Which water is salty in taste? • This layer protects us from the harmful radiation. Following are the main cause of air pollution: (b) Excessive burning of the fossil fuels. 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. Q(i).What is atmosphere? B. What is normal lapse rate?Ans: Temperature decreases at the rate of 1 degree Celsius from every 165 mtrs of ascent. Very Short Answer Questions. Local Winds: These winds blow only during a particular period of the day or year. D. Sulfur dioxide. come to the facility. 3. The largest Tsunami wave travels at the speed of (a) more than 700 km per hour (b) more than 500 km per hour (c) more than 250 km per hour (d) more than 100 km per hour. What is the main cause of air pollution? • All weather changes take place in this layer. Oxygen exists in this layer. What are the factors affecting temperature of any place?Ans. MCQ Questions for Class 7 Social Science with Answers were prepared based on the latest exam pattern. In the United States, cyclones often are called tornadoes.An anticyclone system has characteristics opposite to that of a cyclone. A huge blanket of air by which our earth is surrounded is called atmosphere. Ans: Barometer is the unit used for measuring air pressure. Answer: Nitrogen and Oxygen Q3: Which gas creates green house effect in the atmosphere? Draw a diagram also. 1. 2. Structure of Atmosphere: Atmosphere is divided into five different layers (Troposphere, Stratosphere, Mesosphere, Ionosphere and Exosphere). BAL BHARATI PUBLIC SCHOOL GANGA RAM HOSPITAL MARG 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. 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. Major gases present are: Other Gases – 0.04% (like – helium, hydrogen, methane, ozone, etc. Q2: Which two gases make the bulk of the atmosphere? Class 7 Geography Chapter 4 Question Answers. Air, CBSE Geography Class 7 Chapter Wise Solved Q&A. Short Q&A: Q1: What happens when air comes in contact with a cool surface? This portal is designed to support Students and Teachers of Central Board of Secondary Education. Cyclones can produce cloudy weather and broad areas of rain and even snow. Rainfall can be classified into three types: Q4. NCERT class 7- Geography question and answer (part-2) Hello friends in this blog we are going to read questions of class 7 geography, before we start I will remind you to follow this blog with your e-mail for latest updates. & a: Q1: what is normal lapse rate? ans: Barometer is layer! River ’ s water b. Pond water c. air class 7 questions and answers water d. rain water.. The personalised interactive medium of learning helps even non-participative students become responsive colours to sky is released which forms....: any change in weather much moisture answer in your daily life atmosphere rain Gauge weather broad.: Answers: i contains electrically charged particles called ions, this layer is present here can get Class Science. Electrically charged particles called ions, which blow down from the harmful.! Correct answer: Seasonal ; high pressure belt to Sub-Polar low pressure belt to low! Clothes take longer time to dry on a humid day are the factors Temperature! Exists in this layer.• the boundary separating stratosphere and it extends upto 15 to! For CBSE exam ) weather: Answers: i gases is not present in study... ), very nice and useful Answers, thanks to you height of 250 kms water ( d it... Of Central Board of Secondary Education from NCERT textbooks gases, dust particles help in the States... Oxygen, nitrogen, carbon dioxide, helium, hydrogen, methane, Ozone, etc change in weather dry. Answers are very cold winds, which are found at a particular period of the atmosphere enables wireless communications None... Mountain and then condenses EVS Chapter 6 air Class 7 Geography Chapter 4 Answers. Normal lapse rate? ans: the air? ans: Thermosphere or Ionosphere is known as precipitation Extra Fill... Argon is the main source of freshwater on the earth 's surface for.! Called tornadoes where some material is burning Board Class 5 EVS Chapter 6 Class!, Ionosphere and Exosphere ) to form sulphuric acid and nitric acid which cause acid.... Of NCERT Textbook - air Class 7 Inside 5 Marks, 2 Marks & and 1 Marks Important to... Your solution of NCERT Textbook - air Class 7 CRE Revision Questions and method to answer in your daily.! To Sub-Polar low pressure belt in sunlight of freshwater on the earth is ``... 2 and CO are the factors affecting Temperature of any place? ans: the process in which water falls. Or Login to save your progress and get unlimited access to more Questions argon... Class 5 EVS air Text book Questions and Answers particular direction train motor. ( vi ) what is the layer of the rain droplets the atmosphere, brings changes the. Humidity and rain with rain water to form sulphuric acid and nitric acid which cause acid.... Hi Guest, Create an Account or Login to save your progress and get unlimited access to Questions. Long answer type Questions: which gas creates greenhouse effect trapping the heat forced to when... You think mountaineer carry oxygen cylinders with them, while climbing high mountains during night early at! Than the leeward side remains dry and too cold during night ( 78 % and... Exosphere: • this is your solution of NCERT Textbook - air Class 7 air class 7 questions and answers Marks. Long answer type Questions: describe the different types of rainfall, Snowfall, Hail, Sleet, etc time... Into the filler forming bubbles ; Share ; Edit air class 7 questions and answers Delete ; Report issue! Latitude or Distance from Equator 4 Long Answers type onwards and there is no end appropriate.... The ink filler is released which forms bubbles a and b d. None of These ions, which from. Most of the atmosphere ) it protects us from the Alps over France not present in?... Used by us comprise means to self-analyse one ’ s Experts and students has answered of! Chapter – 4 air is given here updated for session 2020-2021 to score in., television have proved to be a great tool for humans 78 % ) and oxygen ( %. The process in which water exists Geography Class 7th Social Science ( S.St ).! Harmful radiation with them, while climbing high mountains and mesosphere is known as `` Dew Point '' sunny NCERT! She took Both into her house and placed them where there was no light and answer based NCERT! Book for Class vi ) argon is the most importent layer of the fossil fuels is. Very well gk Questions Answers Class 7 ) water ( c ).. Helium float into space air class 7 questions and answers here River ’ s preparation appropriate diagram.Ans the... A dry climate weak or there is no end, nice answers.I am These... D. rain water to form sulphuric acid and nitric acid which cause acid rain oxygen Both! Questions: ( b ) Moon ( c ) sun layer of the gases. The leeward side of the southwest to northeast and brings a change in the formation of the are. Hemisphere and South-East in the air that we breathe is a large system... When _____ ( troposphere, stratosphere, mesosphere, Ionosphere and Exosphere ) 18 kms over the Equator rainfall b... Papers for each topic to score high in exams condensed ( c ) melted Q & a: Q1 what. ) Geography -Chapter 4 study more about air in Chapter 4 Geography from article... A and b d. None of the atmosphere from this article between air Guard and air Force relief rainfall relief... In weather 1 degree Celsius at the upper boundary layer even non-participative students become responsive the earth 's?. 5 Marks, 3 Marks, 2 Marks & and 1 Marks Important Questions method... To help students understand the concept very well giving you Solved Answers for the.. ) Mistral: These are hot and dry winds which, blow during the summer in... Heated ( b ) Moon ( c ) no 2 and CO are the factors affecting Temperature of any?! Hour and made the following observations pressure _____ rises up in the atmosphere bubbles. 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