NCERT Solutions for Class 7 Social Studies (Geography) Chapter 4 – Air. What do you mean by natural environment? Answer Nitrogen and oxygen make the bulk of the atmosphere. Answer the following questions. What is an ecosystem? 3. What is the weather? NCERT TEXTBOOK EXERCISES. Dorothy M Noronhe Class 7 Geography Chapter 3 Composition & Structure Of The Atmosphere Solutions. 2. Question 1.Answer the following questions briefly. Download Class 7 SST Geography Chapter 4 MCQ in PDF format from the below access links and start practicing on a regular basis for better subject knowledge. What is atmosphere? Answer the following questions. a. Troposphere b. Thermosphere c. Mesosphere d. None of these Q.2. Atmosphere (b) domain of water. TopperLearning s Experts and Students has answered all of The Atmosphere And The Biosphere of ICSE Class 7 Geography questions in detail. 2. Online Test of Chapter – 4 Air Test 1 | Geography Class 7th Social Science (S.St) Q. Dorothy M Noronhe Class 7 Geography Chapter 3 Composition & Structure Of The Atmosphere Solutions is based on the latest syllabus prescribed for these classes by the Inter-State Board of Anglo-Indian Education and recommended by CISCE, New Delhi. Which gas creates the greenhouse effect in the atmosphere? (i) What is the atmosphere? By practicing Class 7 Geography Chapter 4 MCQ with Answers, you can score well in the exam. NCERT Solutions for Class 7 Social Science Geography Chapter 5 Water in English Medium and अध्याय 5: जल in Hindi Medium free to View online or download in PDF file format for session 2020-2021 updated according to latest NCERT Books for all students. Which two gases make the hulk of the atmosphere? 1. Atmosphere is the huge blanket of air that surrounds our earth. Answer the following questions. Here are important questions from Class 7 NCERT Geography Chapter 4 Air. 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. (ii) Which two gases make the bulk of the atmosphere? Why is carbon dioxide considered a greenhouse gas? ... Troposphere layer is the most important layer of the atmosphere. 1. Hence, it is called a green house gas. NCERT Solutions for Class 7 Social Science Geography Chapter 4 Air. Which is the most important layer of the atmosphere? Carbon dioxide traps the heat radiated by the earth and creates a green house effect. (i) What is atmosphere? 1. NCERT 7th Class (CBSE) Social Science: The Atmosphere - Short / Long Answers, Multiple choice questions for NCERT 7th Class (CBSE) Social Science: The Atmosphere - Green plants give out oxygen during photosynthesis. What is responsible for the excess of … Question 1. 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