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. 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 & C A & D B & D None 2. Which of the following defines the effect of deforestation on wild animals? Habitat of wild animals is developed, then their numbers would automatically decline. All of the above. Habitat of wild animals is destroyed, then their numbers would automatically decline. Habitat of wild animals is destroyed, then their numbers would increase. None 3. Many birds from Siberia come to India, during winter months, in the search of None of the above Warm climate and food Cool climate Water availability None 4. What are biosphere reserves? The areas meant for protection and conservation of water resources None of the above Areas where animals are placed in cages The areas meant for conservation of bio-diversity None 5. What is the purpose of deforestation? Making furniture or using wood as fuel Procuring land for cultivation All of the above Building houses and factories None 6. Bison, flying squirrel and Wolf are the fauna of Jim corbett national part Panchmari Biosphere reserve Satpura national park Great Nicobar island None 7. 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 that are found everywhere in the world. Those plants and animals, which are found exclusively in a particular area of the world. Those plants and animals that have been fossilised. None 8. The regions of the surface and atmosphere of earth occupied by living organisum is called : microsphere Biosphere xerosphere lithosphere None 9. 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 Jim Corbett National Park Manas National Park None 10. Which of the following factors affect the endemic species? Destruction of their habitat. Introduction of new species Increasing human population. All of the above None 11. The largest among various protected areas for conservation of plants and animals :- wildlife sanctuary biosphere reserve national park botanical garden None 12. What do you understand by the term migration Movement of natural habitat All of the above 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 13. Barasingha and wild buffaloes, found in Satpura national park are known as Species All of the above Fauna Flora None 14. Which of following options is correct about Indian alligator and Indian giant squirrel? Both are examples of exotic species. Both are found in Satpura National Park. Both are examples of endemic species. Both are examples of extinct species. None 15. Which of the following is correct for a wildlife sanctuary and a biosphere reserve? 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. 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. None 16. If you recycle one ton of paper, how many trees can you save? 17. Annual migration does not occur in case of: Salmon Arctic tern Siberian Crane Salamander None 18. Full form of IUCN is : International union of conservation of nature and natural resources International union of conservation of national parks and nature International unity of conservation of nature and natural resources International union of conservation of national parks and natural resources None 19. The red data book keeps the record of Extinct animals and plants Endemic animals and plants Endangered animals and plants All of the above None 20. Match the following.List IList IIi. deforestationa. Urbanizationii. Natural cause of deforestationb. Cutting of forestsiii. Man-made cause of deforestationc. Droughts I- c, II- a, III- b I- a, II- b, III- c I- b, II- c, III- a I- b, II- a, III- c 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 commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
