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 reforestation is incorrect? It helps in rehabilation of an area. It is an eco-friendly practice. It involves the planting of new trees in deforested areas. It involves the cutting of trees for industrial purposes. None 2. Which one of the following statements is true about a biosphere reserve? It is meant only for the conservation of plants and animals. There are no other protected area within its limits. It is a protected area where only endemic species live. It is meant to conserve both, the biodiversity and the culture of that area. None 3. Which of the following defines the effect of deforestation on villages? All of the above Less fertile soil Soil erosion Top layer of the soil will be easily removed None 4. Which of the following statements about recycling of paper is incorrect? It promotes the conservation of environment. It reduces deforestation. It requires more harmful chemicals as compared to those used in paper making. It consumes less energy as compared to the energy consumed for paper making. None 5. The primary objective of Project Tiger is to 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 increase the population of tigers as they are a threatened species None 6. The most important strategy for the conservation of biodiversity is the establishment of National parks Botanical gardens Biosphere reserves Wild life sanctuaries None 7. 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. Both Assertion and Reason are true but the Reason is not the correct explanation for the Assertion. Both Assertion and Reason are true and the Reason is the correct explanation for the Assertion. The Assertion is true but the Reason is false. None 8. Which one of the following changes may occur due to desertification? Decrease in atmosphere temperature Increase in water holding capacity of soil Increased chances of foods Conversion of fertile land into a desert 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 Sancturies National parks Biosphere reserves None 10. 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 aquatic 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 plant life of particular area Fauna- The community of animals in a specific region or habitat None 11. 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. 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 The Assertion is true but the Reason is false. None 12. Species native to a particular habitat is known as: Threatened species Endangered species Extinct species Endemic species None 13. Migratory birds fly to far off places in a particular season of the year because that place becomes Very hot None of the above Unsafe Very cold None 14. 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 15. A group of organisms which are capable of .............. is called as population. Linking None of the above Both A and B Interbreeding 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.
