Ncert – class 8- science – Chapter 5: Conservation of Plants and Animals 1 Welcome to your Ncert - class 8- science - Chapter 5: Conservation of Plants and Animals 1 1. If you recycle one ton of paper, how many trees can you save? 2. Annual migration does not occur in case of: Salamander Arctic tern Salmon Siberian Crane None 3. The regions of the surface and atmosphere of earth occupied by living organisum is called : Biosphere lithosphere xerosphere microsphere None 4. Just as a person moving from Delhi to Shimla to escape the heat of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to___________. Western Ghats Keoladeo National Park Manas National Park Jim Corbett National Park None 5. Which of following options is correct about Indian alligator and Indian giant squirrel? Both are examples of exotic species. Both are examples of extinct species. Both are examples of endemic species. Both are found in Satpura National Park. None 6. What is the purpose of deforestation? Building houses and factories Making furniture or using wood as fuel All of the above Procuring land for cultivation None 7. Barasingha and wild buffaloes, found in Satpura national park are known as All of the above Species Flora Fauna None 8. Match the following. List I List II i. deforestation a. Urbanization ii. Natural cause of deforestation b. Cutting of forests iii. Man-made cause of deforestation c. Droughts I- a, II- b, III- c I- b, II- a, III- c I- c, II- a, III- b I- b, II- c, III- a None 9. Which of the following factors affect the endemic species? Introduction of new species All of the above Destruction of their habitat. Increasing human population. None 10. Select the most appropriate definition of 'endemic species': Those plants and animals, which were once found in the world but are presently not found. Those plants and animals, which are found exclusively in a particular area of the world. Those plants and animals that have been fossilised. Those plants and animals that are found everywhere in the world. None 11. What do you understand by the term migration All of the above Movement of natural habitat Movement of an organism or a group of organisms from its/their natural habitat to another place at a particular time every year. Movement of an organism or a group of organisms None 12. Full form of IUCN is : International union of conservation of national parks and nature International unity of conservation of nature and natural resources International union of conservation of nature and natural resources International union of conservation of national parks and natural resources None 13. Many birds migrate to warmer climates in the spring. Find two reasons why? A. To get away from seasonal predators. B. Because of overpopulation in winter grounds. C. For better food supplies. D. To lay eggs and rear their young ones. C & D A & D A & C B & D None 14. Many birds from Siberia come to India, during winter months, in the search of Warm climate and food Cool climate Water availability None of the above None 15. The largest among various protected areas for conservation of plants and animals :- wildlife sanctuary botanical garden biosphere reserve national park None 16. Which of the following is correct for a wildlife sanctuary and a biosphere reserve? Wildlife sanctuary: Large protected area constructed for the conservation of biodiversity. Biosphere reserve: Area within which animals are protected from possible dangers. Wildlife sanctuary: Area within which animals are protected from the possible dangers. Biosphere reserve: Large protected area constructed for the conservation of biodiversity. Wildlife sanctuary: Major role is conservation. Biosphere reserve: Major role is protection. Wildlife sanctuary: Habitat of animals is also conserved. Biosphere reserve: Helps in the conservation of various life forms. None 17. Which of the following defines the effect of deforestation on wild animals? Habitat of wild animals is destroyed, then their numbers would increase. All of the above. Habitat of wild animals is developed, then their numbers would automatically decline. Habitat of wild animals is destroyed, then their numbers would automatically decline. None 18. What are biosphere reserves? The areas meant for protection and conservation of water resources None of the above The areas meant for conservation of bio-diversity Areas where animals are placed in cages None 19. Bison, flying squirrel and Wolf are the fauna of Panchmari Biosphere reserve Jim corbett national part Great Nicobar island Satpura national park None 20. The red data book keeps the record of Extinct animals and plants All of the above Endemic animals and plants Endangered animals and plants None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
