This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do forests provide us with that is essential to life A) Oxygen. B) Carbon Dioxide. C) LPG. D) Nitrogen. Show Answer Correct Answer: A) Oxygen. 2. What does the Food and Agriculture Organization defines a forest as land spanning A) 0.7 hectares. B) 0.5 hectares. C) 0.3 hectares. D) 0.9 hectares. Show Answer Correct Answer: B) 0.5 hectares. 3. Which of the following is not prepared from the wood obtained from forest? A) Plywood. B) Paper. C) Thermocol. D) Matchsticks. Show Answer Correct Answer: C) Thermocol. 4. What are forest lands capable of producing wood in excess of 20 cubic feet per acre? A) Forest. B) Timberland. C) Hardwood. D) Pilings. Show Answer Correct Answer: B) Timberland. 5. The topmost layer of the forest is called A) Crown. B) Canopy. C) Understorey. D) Forestfloor. Show Answer Correct Answer: B) Canopy. 6. Give one harmful effect of Deforestation. A) Increase in the amount of soil erosion, that can cause more frequent floods. B) Can cause to much rainfall. C) Increasing of amount water in ground. D) Can cause tornado. Show Answer Correct Answer: A) Increase in the amount of soil erosion, that can cause more frequent floods. 7. What is a coniferous tree? A) A tree in Alberta. B) A tree that loses its leaves annually. C) A tree which bears cones sand has needles or scale like leaves. D) None of the above. Show Answer Correct Answer: C) A tree which bears cones sand has needles or scale like leaves. 8. An animal which lives in deeper areas of forests. A) Boars. B) Kisses. C) Elephants. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Which one of the following is not considered a consequence of deforestation? A) Desertification. B) Food Shortage. C) Displacement of local communities. D) Biodiversity enrichment. Show Answer Correct Answer: D) Biodiversity enrichment. 10. How can nutrients from a forest fire help the forest? A) They reduce pests. B) They enrich the soil. C) They increase water supply. D) They lower temperatures. Show Answer Correct Answer: B) They enrich the soil. 11. The process where by forest ecosystems are constantly changing through a very slow process A) Competition. B) Succession. C) Material cycle. D) Energy flow. Show Answer Correct Answer: B) Succession. 12. Sri Lankeshwara Sanctuary Is Seattned In Witch District?Srikakulam.Chiturk.Anantapurande.Kadapa A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 13. What is Biennials?? A) The plant having life span of one year are called Biennials . B) The plant having long life spans varying from a decade to a few hundred years are called Biennials . C) The plants having life span of two years are called Biennials . D) None of the above. Show Answer Correct Answer: C) The plants having life span of two years are called Biennials . 14. Why is the management of forest resources planned in Malaysia? A) Increase the export of timber. B) Running the resentment. C) Maintain the balance of the ecosystem. D) Commercially explore the natural forest. Show Answer Correct Answer: C) Maintain the balance of the ecosystem. 15. The railway network expanded rapidly in India from the A) 1820s. B) 1830s. C) 1850s. D) 1860s. Show Answer Correct Answer: D) 1860s. 16. What can the rings on a tree stump tell you? A) The height of the tree. B) The type of tree. C) How old the tree is. D) The health of the tree. Show Answer Correct Answer: C) How old the tree is. 17. Habitats are areas that A) Share that same weather, plants and animals. B) Share only the same weather. C) Share only the same plants. D) Have the same weather. Show Answer Correct Answer: A) Share that same weather, plants and animals. 18. The percentage of land under forest in Telangana is A) 20%. B) 24%. C) 15%. D) 18%. Show Answer Correct Answer: B) 24%. 19. Decomposers convert the dead plant and animal tissue into: A) Clay. B) Inorganic debris. C) Humus. D) Soil. Show Answer Correct Answer: C) Humus. 20. What color are the trees in the Temperate Deciduous Forest in the fall? A) Red. B) Red and yellow. C) Red, yellow, green. D) Yellow. Show Answer Correct Answer: C) Red, yellow, green. 21. Which of the following acts encouraged settlers to move west and provided free acreage to those who made the journey? A) Homestead act. B) Organic act. C) Weeks act. D) Manifest destiny act. Show Answer Correct Answer: A) Homestead act. 22. Series of natural processes by which water continually moves among air, land, and ocean A) Water cycle. B) Surface report. C) Computer model. D) None of the above. Show Answer Correct Answer: A) Water cycle. 23. Microorganisms which convert dead and decaying plants and animals into humus are called ..... A) Fertilisers. B) Assimilaters. C) Decomposersers. D) Digesters. Show Answer Correct Answer: C) Decomposersers. 24. What is the scientific name of the Bahamian Pine tree? A) Pinus Taribibaa Bahamensis. B) Pinus androsaea. C) Pinus yellowsaea. D) None of the above. Show Answer Correct Answer: A) Pinus Taribibaa Bahamensis. 25. 9 Boreal forests are different from temperate forests because they- A) A are found in colder areas. B) B have no animal life. C) C they don't need much water to survive. D) D they have a rich forest floor. Show Answer Correct Answer: A) A are found in colder areas. ← PreviousNext →Related QuizzesClass 7 Science Chapter 12 Forests Our Lifeline Quiz 1Class 7 Science Chapter 12 Forests Our Lifeline Quiz 2Class 7 Science Chapter 12 Forests Our Lifeline Quiz 3Class 7 Science Chapter 12 Forests Our Lifeline Quiz 4Class 7 Science Chapter 12 Forests Our Lifeline Quiz 5Class 7 Science Chapter 12 Forests Our Lifeline Quiz 6Class 7 Science Chapter 12 Forests Our Lifeline Quiz 7Class 7 Science Chapter 12 Forests Our Lifeline Quiz 8Class 7 Science Chapter 12 Forests Our Lifeline Quiz 9Class 7 Science Chapter 12 Forests Our Lifeline Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books