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....
PowerPoint Presentation for Chapter 2 Forest and Wildlife Resources(Geography) Class X subject Social Science ******************************* B iodiversity or Biological Diversity Biodiversity or Biological Diversity means the variety of different kinds of plants, animals, and microorganisms living in an area. It includes all living organisms and the ecosystems they form. Conservation of Forest and Wildlife in India Wildlife Protection Act (1972) was started to save animals and their homes. Hunting and trading of endangered animals was banned by the law. National parks and wildlife sanctuaries were created to protect nature. Special projects were launched to protect animals like tigers, rhinos, lions, and crocodiles . More animals like elephants, black bucks, bustards, and snow leopards were later given legal protection. Project Tiger : Project Tiger started in 1973 to protect tigers fro...