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Atmosphere and Climate Social Science class 9 in English Medium ncert book solutions MCQs
Atmosphere and Climate MCQs – Complete NCERT Book Solutions for Class 9 Social Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for Atmosphere and Climate MCQs to help you master concepts and score higher.
Atmosphere and Climate Social Science class 9 in English Medium ncert book solutions MCQs
NCERT Solutions for Class 9 Social Science play an important role in helping students understand the concepts of the chapter Atmosphere and Climate clearly. This chapter includes the topic MCQs, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 9 studying Social Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter Atmosphere and Climate is explained in a structured way, making it easier for students to connect the theory with the topic MCQs. By studying these updated NCERT Solutions for Class 9 Social Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
Atmosphere and Climate
MCQs
Chapter 3. Atmosphere and Climate
20 Important MCQs
1. The atmosphere is a blanket of air surrounding the:
(a) Moon
(b) Earth
(c) Sun
(d) Mars
2. Which gas forms the largest proportion of the atmosphere?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Argon
3. Approximately what percentage of the atmosphere is nitrogen?
(a) 21%
(b) 78%
(c) 0.04%
(d) 0.93%
4. Which layer of the atmosphere is closest to the Earth's surface?
(a) Stratosphere
(b) Mesosphere
(c) Troposphere
(d) Thermosphere
5. Most weather phenomena occur in the:
(a) Troposphere
(b) Stratosphere
(c) Mesosphere
(d) Exosphere
6. In which layer of the atmosphere do aeroplanes generally fly?
(a) Troposphere
(b) Lower stratosphere
(c) Mesosphere
(d) Exosphere
7. Which layer contains the ozone layer that protects life from harmful ultraviolet radiation?
(a) Troposphere
(b) Stratosphere
(c) Mesosphere
(d) Thermosphere
8. Which of the following is an element of weather and climate?
(a) Temperature
(b) Atmospheric pressure
(c) Humidity
(d) All of the above
9. Which are the four main seasons of India?
(a) Winter, Summer, Monsoon and Post-monsoon
(b) Spring, Summer, Autumn and Winter
(c) Winter, Spring, Rainy and Autumn
(d) Summer, Autumn, Winter and Monsoon
10. The south-west monsoon generally occurs in India during:
(a) January to March
(b) March to May
(c) June to September
(d) October to December
11. The north-east monsoon is also associated with the:
(a) Retreating monsoon season
(b) Summer season
(c) Winter season only
(d) Spring season
12. Which of the following places receives very heavy rainfall because of orographic effects?
(a) Jodhpur
(b) Shillong
(c) Leh
(d) Delhi
13. Why does Shillong receive more rainfall than Kolkata?
(a) Shillong is closer to the sea
(b) Moist air is forced to rise over the Meghalaya hills
(c) Kolkata has no monsoon
(d) Shillong has a lower latitude
14. Which station among the following receives the least annual rainfall?
(a) Mumbai
(b) Shillong
(c) Leh
(d) Thiruvananthapuram
15. Which of the following stations has an equable climate?
(a) Thiruvananthapuram
(b) Leh
(c) Jodhpur
(d) Delhi
16. Which place receives significant rainfall during the retreating monsoon?
(a) Chennai
(b) Jodhpur
(c) Leh
(d) Delhi
17. Which of the following is the hottest station in February among the given stations?
(a) Leh
(b) Delhi
(c) Thiruvananthapuram
(d) Shillong
18. Which station records the highest temperature in June among the given stations?
(a) Jodhpur
(b) Mumbai
(c) Chennai
(d) Thiruvananthapuram
19. Why does Chennai receive more rainfall after the fury of the south-west monsoon is over in most parts of India?
(a) It receives rainfall from the north-east/retreating monsoon
(b) It is located in the Himalayan region
(c) It receives rainfall only from western disturbances
(d) It is far from the Bay of Bengal
20. The monsoon provides a strong framework of climatic unity to India because:
(a) All parts of India receive the same amount of rainfall
(b) All parts of India have the same temperature
(c) Its seasonal rhythm influences the life, agriculture and economy of the country
(d) India has only one climatic region
Answer Key
1. (b) Earth
2. (c) Nitrogen
3. (b) 78%
4. (c) Troposphere
5. (a) Troposphere
6. (b) Lower stratosphere
7. (b) Stratosphere
8. (d) All of the above
9. (a) Winter, Summer, Monsoon and Post-monsoon
10. (c) June to September
11. (a) Retreating monsoon season
12. (b) Shillong
13. (b) Moist air is forced to rise over the Meghalaya hills
14. (c) Leh
15. (a) Thiruvananthapuram
16. (a) Chennai
17. (c) Thiruvananthapuram
18. (a) Jodhpur
19. (a) It receives rainfall from the north-east/retreating monsoon
20. (c) Its seasonal rhythm influences the life, agriculture and economy of the country