Important Question Answers for the Class 9-Social Science Chapter 3- The Dynamic Atmosphere and Changing Climate ***************************** Very Short Answer Type Questions: 1. Which layer of the atmosphere contains the ozone layer? Answer: The stratosphere contains the ozone layer. 2. Name the gas that makes up the highest percentage of the atmosphere. Answer: Nitrogen makes up the highest percentage of the atmosphere. 3. Which element of weather is measured using a barometer? Answer: A barometer is used to measure atmospheric pressure . 4. What is the normal duration of the southwest monsoon in India? Answer: The southwest monsoon usually lasts from June to September . 5. Which season in India is known as the “hot weather season”? Answer: The summer season is known as the hot weather season. 6. Name the process by which water vapour turns into clouds. Answer: The process is called condensation . 7....
Chapter - The Making of A Global World Class-10 Subject-Social Science (History) Q1. What is Globalization? Ans. Movement of people, goods and services across the Nations has been termed as globalization. Q2. What were silk routes? Answer- 1. These were the routes which needed together vast regions of Asia and linked Asia with Europe and northern Africa. 2. These routes are known to have existed since before the Christian era and thrived almost till the 15th century. Q3. "The pre-modern world shrank greatly in the 16th century". Why? Ans: 1. Till the 15th century silk routes were the principle route to travel between Asia and the Europe and Africa. 2. America had not been discovered. Goods and people had to travel long distances for any type of exchanges. 3. Two major events of history in this period of time were as follows: a) European sailor found a sea route to Asia. b) European sailors also successfully crossed the We...