Carbon dioxide traps the heat radiated by the earth and creates a green house effect. (i) What is atmosphere? What is an ecosystem? NCERT TEXTBOOK EXERCISES. (i) What is the atmosphere? Question 1.Answer the following questions briefly. What is responsible for the excess of … TopperLearning s Experts and Students has answered all of The Atmosphere And The Biosphere of ICSE Class 7 Geography questions in detail. 3. Here are important questions from Class 7 NCERT Geography Chapter 4 Air. NCERT Solutions For Class 7 Geography Social Science Chapter 1 Environment. Answer. Atmosphere (b) domain of water. Which two gases make the hulk of the atmosphere? By practicing Class 7 Geography Chapter 4 MCQ with Answers, you can score well in the exam. What is air pressure? NCERT Solutions for Class 7 Geography Chapter 4 Air. Which gas creates the greenhouse effect in the atmosphere? Why is carbon dioxide considered a greenhouse gas? What do you mean by natural environment? Question 1. 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. What is the weather? Answer the following questions. Online Test of Chapter – 4 Air Test 1 | Geography Class 7th Social Science (S.St) Q. Answer the following questions. 1. 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. ... Troposphere layer is the most important layer of the atmosphere. 1. NCERT Solutions for Class 7 Social Studies (Geography) Chapter 4 – Air. 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. 2. 1. Dorothy M Noronhe Class 7 Geography Chapter 3 Composition & Structure Of The Atmosphere Solutions. What is the atmosphere? Which is the most important layer of the atmosphere? Name three types of rainfall? 2. Atmosphere is the huge blanket of air that surrounds our earth. What is atmosphere? Get The Atmosphere and the Biosphere, Geography Chapter Notes, Questions & Answers, Video Lessons, Practice Test and more for CBSE Class 10 at TopperLearning. 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. Answer The earth is surrounded by a huge blanket of air called atmosphere. NCERT Solutions for Class 7 Social Science Geography Chapter 4 Air. Answer Nitrogen and oxygen make the bulk of the atmosphere. 1. Hence, it is called a green house gas. NCERT Solutions Geography Chapter 1 Environment. Answer the following questions. 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