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. What do you understand by the term migration Movement of an organism or a group of organisms from its/their natural habitat to another place at a particular time every year. All of the above Movement of natural habitat Movement of an organism or a group of organisms None 2. 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___________. Manas National Park Jim Corbett National Park Western Ghats Keoladeo National Park None 3. Bison, flying squirrel and Wolf are the fauna of Satpura national park Panchmari Biosphere reserve Jim corbett national part Great Nicobar island None 4. Full form of IUCN is : 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 International union of conservation of national parks and nature None 5. Which of the following factors affect the endemic species? Increasing human population. Introduction of new species Destruction of their habitat. All of the above None 6. Select the most appropriate definition of 'endemic species': Those plants and animals, which are found exclusively in a particular area of the world. Those plants and animals that are found everywhere in the world. Those plants and animals, which were once found in the world but are presently not found. Those plants and animals that have been fossilised. None 7. Which of the following is correct for a wildlife sanctuary and a biosphere reserve? 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: Large protected area constructed for the conservation of biodiversity. Biosphere reserve: Area within which animals are protected from possible dangers. 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 8. 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. A & C B & D A & D C & D None 9. Barasingha and wild buffaloes, found in Satpura national park are known as Flora Species All of the above Fauna None 10. 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 11. Annual migration does not occur in case of: Salamander Arctic tern Siberian Crane Salmon None 12. If you recycle one ton of paper, how many trees can you save? 13. What is the purpose of deforestation? Building houses and factories All of the above Making furniture or using wood as fuel Procuring land for cultivation None 14. Which of following options is correct about Indian alligator and Indian giant squirrel? Both are found in Satpura National Park. Both are examples of exotic species. Both are examples of endemic species. Both are examples of extinct species. None 15. The regions of the surface and atmosphere of earth occupied by living organisum is called : xerosphere Biosphere lithosphere microsphere None 16. The largest among various protected areas for conservation of plants and animals :- national park botanical garden wildlife sanctuary biosphere reserve None 17. 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- a, III- c I- b, II- c, III- a None 18. The red data book keeps the record of Endemic animals and plants Extinct animals and plants Endangered animals and plants All of the above None 19. What are biosphere reserves? Areas where animals are placed in cages None of the above The areas meant for conservation of bio-diversity The areas meant for protection and conservation of water resources None 20. Many birds from Siberia come to India, during winter months, in the search of Cool climate None of the above Warm climate and food Water availability 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.
