(b) Loo: These are hot and dry winds which, blow during the summer season in the northern part of India. (b) Drizzle: Light rainfall in the form of very tiny drop of water is called "Drizzle". B) The air in the ink filler is released which forms bubbles. These winds bring short time changes in the weather conditions over a smaller area. • The boundary separating mesosphere and ionosphere is known as mesopause. → Horizontally the distribution of air pressure is influenced by temperature of air at a given place. Mobile: 0716 858334 / 0712 054195. You can see some Short and Long Question Answers - Air Class 7 Notes | EduRev sample questions with examples at the bottom of this page. Answer the following questions: 1. Local Winds: These winds blow only during a particular period of the day or year. Answer: Blanket of air surrounding the earth is known as the atmosphere. Air Extra Questions Fill in the blanks: Meteorites burn up in the _____. With the help of science, news can be delivered from one place to another at an early location at a quick time. Get all questions and answers of Air And Atmosphere of ICSE Class 7 Chemistry on TopperLearning. Q38. Air class-7 DRAFT. How is it important to us?Ans: The weight of air on the earth's surface is referred to as "Atmospheric Pressure". A. 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 … Change Class CLASS 7 . Ans. Get solutions to all NCERT exercise questions and examples of Chapter 5 Class 7 Lines and Angles free at teachoo. On weather maps, a so . 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. Q6. 4. These MCQ's are extremely critical for all CBSE students to score better marks. This is because the prevailing winds come up and the cool air tries to hold that much moisture. Very Short Answer Questions. 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. Carbon dioxide. Tapi River | Tapi River Map, System, Pollution, History and Importance, Kaveri River | Kaveri River Map, System, Pollution, History and Importance, Mahanadi River | Mahanadi River Map, System, Pollution, History and Importance, Narmada River | Narmada River Map, System, Pollution, History and Importance, Yamuna River | Yamuna River Map, System, Pollution, History and Importance, Krishna River | Krishna River Map, System, Pollution, History and Importance, Godavari River | Godavari Rive Map, System, Pollution, History and Importance, Use of IS, AM, ARE, HAS, HAVE MCQ Questions with Answers Class 6 English, Use of Homonyms MCQ Questions with Answers Class 6 English, Degrees of Adjectives MCQ Questions with Answers Class 6 English, https://www.youtube.com/watch?v=nd-0HFd58P8, (e) Change directions in different seasons. Answer:(c) Ozone. Q2. 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 … December 15, 2020 by Kishen Leave a Comment. (e) It protects us from falling meteors and other cosmic dusts. Carbon dioxide, helium, … (e) It protects us from falling meteors and other cosmic dusts. Q2. Which of the following gases is not present in air? Air, CBSE Geography Class 7 NCERT Solutions. Q3. […] Layers Of Atmosphere Rain Gauge Weather And … Question from very important topics are covered by NCERT Exemplar Class 8. What is the composition of the air?Ans: Atmosphere is composed of various gases. Light gases like hydrogen and helium float into space from here. 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. • This layer protects us from the harmful radiation. 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. TOP Basic GK Questions And Answers For Class 7 Oxygen exists in this layer. Such fast-moving aircraft and air buses. Which gas released in the atmosphere creates a greenhouse effect trapping the heat? C. Oxides of nitrogen. They blow from North-East in the northern hemisphere and South-East in the southern hemisphere. Air pressure is defined as the pressure exerted by the weight of air on the earth's surface. What is the composition of the air? Read the concept to answers the questions on needs of air. (e) Oxygen occupies about 21% of air by volume. (a) Air (b) Plants (c) Water (d) None of These Answer: Plants. Q39. Print; Share; Edit; Delete; Report an issue; Start a multiplayer game . An anticyclone system has characteristics opposite to that of a cyclone. Browse Extramarks for all ICSE solved papers Toll Free No. Q6. Air Class 7 MCQs Questions with Answers. 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. Describe the different types of rainfall, Support your answer with appropriate diagram.Ans. Importance of 7th Grade Science Questions Answers. Underground water is the main source of freshwater on the earth's surface. Which layer of the atmosphere enables wireless communications?Ans: Thermosphere or Ionosphere is the layer of the atmosphere enables wireless communications. These ncert book chapter wise questions and answers are very helpful for CBSE exam. → Low pressure is associated with cloudy skies and wet weather. 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. Atmospheric Pressure is a very important element of weather and climate. In the United States, cyclones often are called tornadoes. This type of rain usually is due to the occurrence of cyclonic activities. It Extends upto 15 kms from the earth's surface. Download the best answers to perform well in your exams. Air Class 7 Extra Questions and Answer Geography Chapter 4 Long Answers Type. References to Educational Sites and resources. (a) heated (b) condensed (c) melted . NCERT Solutions for Class 7 Social Science Geography Chapter 4 Air are provided here. Due to presence of these ions, this layer is also known as ionosphere.• This layer protects us from the harmful radiation. :), Very nice and useful answers, thanks to you. The other name for relief rain is orographic rainfall. Tribhuwan kumar 03 May, 2020 Very good answer. Discuss. (e) Fire, etc. Online Test of Chapter – 4 Air Test 1 | Geography Class 7th Social Science (S.St) Q. • This layer contains electrically charged particles called ions, which are found at a height of 250 kms. 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. Thanks all questions and answers match from my book, Thankyou. 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. 1. The simple and accurate answers provided here are perfect for effective exam preparations. Solo Practice . Question 9: Pick the odd one out from each of the groups given below on the basis of respiratory organs. Ozone layer absorbs/reflects the harmful ultraviolet rays of the sun. 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. Jasmine conducted an experiment. Answer the following questions briefly. (a) Trade Winds: These winds blow from Sub-Tropical high pressure belt towards Equatorial low pressure belt. For help in the study (ii) Why should we drink clean water? Class VII: Chapter 4 (Air) Question & Answer. • The boundary separating stratosphere and mesosphere is known as stratopause. Which layer of the atmosphere enables wireless communications? (a) Water vapour (b) Water (c) Ice . • All weather changes take place in this layer. done clear. View Answer . Then she took both into her house and placed them where there was no light. Teleprinter, telephone, television have proved to be a great tool for humans. Hence, this layer is ideal for the air transportation. NCERT Solutions for Class 7 Social Studies (Geography) Chapter 4 – Air. Class 7 Geography Chapter 4 Extra Question with Answer – Air. (iii) Name the three forms in which water exists. (d) Joseph Priestly discovered the oxygen gas. Here you can get Class 6 Important Questions Science based on NCERT Text book for Class VI. For example, land and sea breeze. Ans: Atmosphere is composed of various gases. Oxygen c. Both a and b d. None of these Q.2. (c) Increase in numbers of automobiles. • Temperature again drops in this layer and can reach upto -100 degree Celsius at the upper boundary layer. MCQ Questions for Class 7 Social Science Geography : The Earth: … 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. 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. (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 is a cyclone? a. River’s water b. Pond water c. Sea water d. Rain water Q.2. You also get idea about the type of questions and method to answer in your Class 8th examination. GK Quiz General Knowledge GK Questions Answers Class 7. Helped alot!!!! Blog provides NCERT solutions, CBSE, NTSE, Olympiad study material, model test papers, important Questions and Answers asked in CBSE examinations. Class 7 - Geography - NCERT Chapter 4 Solution Q1: What is atmosphere? (c) Tiny dust particles help in the formation of the rain droplets. CBSE Class 6th, 7th, 8th, 9th, & 10th | Help Guide | Solved Exercises | MCQs | Questions & Answers | Sample Papers. Question & answer some of the rain droplets Seasonal or Periodic winds These! Found at a given place the leeward side of a mountain papers Toll free no Important Questions Science based NCERT! 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