Ncert – class 8- science – Chapter 5: Conservation of Plants and Animals 2 Welcome to your Ncert - class 8- science - Chapter 5: Conservation of Plants and Animals 2 1. A group of organisms which are capable of .............. is called as population. Both A and B Linking Interbreeding None of the above None 2. Which one of the following changes may occur due to desertification? Conversion of fertile land into a desert Increase in water holding capacity of soil Increased chances of foods Decrease in atmosphere temperature None 3. The primary objective of Project Tiger is to increase the population of tigers as they are a threatened species increase the population of tigers as they are an endangered species protect tigers by changing their habitat protect tigers by keeping them in the enclosures of zoos None 4. Which of the following statements about reforestation is incorrect? It involves the cutting of trees for industrial purposes. It involves the planting of new trees in deforested areas. It helps in rehabilation of an area. It is an eco-friendly practice. None 5. Which of the following defines the effect of deforestation on villages? Less fertile soil All of the above Top layer of the soil will be easily removed Soil erosion None 6. The most important strategy for the conservation of biodiversity is the establishment of Botanical gardens Biosphere reserves National parks Wild life sanctuaries None 7. Species native to a particular habitat is known as: Threatened species Endemic species Endangered species Extinct species None 8. Assertion: Project Tiger was launched to improve the tiger population. Reason: Tiger is an endangered animal in India. The Assertion is true but the Reason is false. Both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. Both the Assertion and the Reason are false Both the Assertion and the Reason are true but the Reason is not a correct explanation of the Assertion. None 9. Large areas of protected land for conservation of wildlife, plant and animals resources and traditional life of the tribals living in the area are known as Zoological parks Biosphere reserves Sancturies National parks None 10. Assertion: Red data book has a record of all animals. Reason: Endangered species need to be identified for giving them proper protection. The Assertion is false but the Reason is true. The Assertion is true but the Reason is false. Both Assertion and Reason are true and the Reason is the correct explanation for the Assertion. Both Assertion and Reason are true but the Reason is not the correct explanation for the Assertion. None 11. Given below are some possible reasons for a sharp decline in the population of the species given in the figure. Which of the following is correct?(i) Cleared forests (ii) Flooded large areas(iii) Polluted air and water(iv) Scarcity of food (i) and (iv) (i) and (ii) (i), (ii) and (iv) (i), (ii), (iii) and (iv) None 12. Which of the following statements about recycling of paper is incorrect? It promotes the conservation of environment. It requires more harmful chemicals as compared to those used in paper making. It reduces deforestation. It consumes less energy as compared to the energy consumed for paper making. None 13. Flora and fauna can be defined as: Flora- The plant life of particular area Fauna- The community of animals in a specific region or habitat Flora- The plants of same species in a particular area Fauna- Animals of same species in a particular area Flora- The aquatic life of particular area Fauna- The community of animals in a specific region or habitat Flora- The community of animals in a specific region or habitat Fauna- The plant life of particular area None 14. Which one of the following statements is true about a biosphere reserve? It is meant to conserve both, the biodiversity and the culture of that area. It is a protected area where only endemic species live. There are no other protected area within its limits. It is meant only for the conservation of plants and animals. None 15. Migratory birds fly to far off places in a particular season of the year because that place becomes Unsafe Very hot Very cold None 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.
