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. Annual migration does not occur in case of: Arctic tern Salamander Salmon Siberian Crane None 2. 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 B & D A & C None 3. 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 4. 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 5. If you recycle one ton of paper, how many trees can you save? 6. The largest among various protected areas for conservation of plants and animals :- wildlife sanctuary biosphere reserve national park botanical garden None 7. 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___________. Jim Corbett National Park Manas National Park Western Ghats Keoladeo National Park None 8. What do you understand by the term migration 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. Movement of natural habitat None 9. Full form of IUCN is : International union of conservation of national parks and natural resources 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 None 10. What is the purpose of deforestation? All of the above Procuring land for cultivation Making furniture or using wood as fuel Building houses and factories None 11. Bison, flying squirrel and Wolf are the fauna of Great Nicobar island Jim corbett national part Satpura national park Panchmari Biosphere reserve None 12. Match the following.List IList IIi. deforestationa. Urbanizationii. Natural cause of deforestationb. Cutting of forestsiii. Man-made cause of deforestationc. Droughts I- b, II- c, III- a I- b, II- a, III- c I- c, II- a, III- b I- a, II- b, III- c None 13. Which of the following is correct for a wildlife sanctuary and a biosphere reserve? 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. Wildlife sanctuary: Area within which animals are protected from the possible dangers. Biosphere reserve: Large protected area constructed for the conservation of biodiversity. None 14. 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. All of the above. Habitat of wild animals is destroyed, then their numbers would automatically decline. None 15. Many birds from Siberia come to India, during winter months, in the search of None of the above Water availability Warm climate and food Cool climate None 16. Barasingha and wild buffaloes, found in Satpura national park are known as All of the above Species Fauna Flora None 17. Which of following options is correct about Indian alligator and Indian giant squirrel? Both are found in Satpura National Park. Both are examples of endemic species. Both are examples of exotic species. Both are examples of extinct species. None 18. The regions of the surface and atmosphere of earth occupied by living organisum is called : lithosphere Biosphere microsphere xerosphere None 19. Select the most appropriate definition of 'endemic species': 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, which were once found in the world but are presently not found. Those plants and animals that have been fossilised. None 20. The red data book keeps the record of Endemic animals and plants All of the above Endangered animals and plants Extinct 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 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.
