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