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. Which of the following statements about recycling of paper is incorrect? It promotes the conservation of environment. It reduces deforestation. It consumes less energy as compared to the energy consumed for paper making. It requires more harmful chemicals as compared to those used in paper making. None 2. Which one of the following changes may occur due to desertification? Increase in water holding capacity of soil Decrease in atmosphere temperature Conversion of fertile land into a desert Increased chances of foods None 3. Flora and fauna can be defined as: Flora- The community of animals in a specific region or habitat Fauna- The plant life of particular area 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 plant life of particular area Fauna- The community of animals in a specific region or habitat None 4. 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), (ii) and (iv) (i) and (ii) (i) and (iv) (i), (ii), (iii) and (iv) None 5. Species native to a particular habitat is known as: Endemic species Threatened species Endangered species Extinct species None 6. Assertion: Red data book has a record of all animals. Reason: Endangered species need to be identified for giving them proper protection. Both Assertion and Reason are true but the Reason is not the correct explanation for the Assertion. 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. None 7. Which of the following defines the effect of deforestation on villages? Top layer of the soil will be easily removed Soil erosion All of the above Less fertile soil None 8. 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 Sancturies Biosphere reserves National parks Zoological parks None 9. Assertion: Project Tiger was launched to improve the tiger population. Reason: Tiger is an endangered animal in India. Both the Assertion and the Reason are true but the Reason is not a correct explanation of the Assertion. The Assertion is true but the Reason is false. Both the Assertion and the Reason are false Both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. None 10. The primary objective of Project Tiger is to protect tigers by keeping them in the enclosures of zoos protect tigers by changing their habitat increase the population of tigers as they are an endangered species increase the population of tigers as they are a threatened species None 11. The most important strategy for the conservation of biodiversity is the establishment of Wild life sanctuaries National parks Botanical gardens Biosphere reserves None 12. Which of the following statements about reforestation is incorrect? It involves the cutting of trees for industrial purposes. It helps in rehabilation of an area. It is an eco-friendly practice. It involves the planting of new trees in deforested areas. None 13. A group of organisms which are capable of .............. is called as population. Linking Interbreeding None of the above Both A and B None 14. Which one of the following statements is true about a biosphere reserve? 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. It is meant to conserve both, the biodiversity and the culture of that area. None 15. Migratory birds fly to far off places in a particular season of the year because that place becomes Very cold None of the above Unsafe Very hot 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.
