This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 38 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One main stem or trunk is known as a A) Log. B) Mole. C) Bole. D) Cord. Show Answer Correct Answer: C) Bole. 2. Which layer of the rainforest is this describing:Immediately above the forest floor this layer is home to residents such as bees, snakes, frogs, and leopards. A) Forest Floor. B) Understorey. C) Canopy. D) Emergent. Show Answer Correct Answer: B) Understorey. 3. What is the annual rainfall per year in rainforests? A) 50 to 100 inches. B) 460 inches. C) 60 to 160 inches. D) 97 inches. Show Answer Correct Answer: C) 60 to 160 inches. 4. Trees growing beneath the canopies of the tallest trees is A) Understory. B) Overstory. C) Forest floor. D) Forbes and microorganisms. Show Answer Correct Answer: A) Understory. 5. Which of the following is a direct consequence of deforestation? A) Increased biodiversity. B) Soil erosion. C) Improved air quality. D) Increased rainfall. Show Answer Correct Answer: B) Soil erosion. 6. Choose the answer that best completes this sentence. Some animals live in the tops of the tallest trees, ..... most big rain forest animals live on the rain forest floor. A) A. so. B) B. because. C) C. but. D) None of the above. Show Answer Correct Answer: C) C. but. 7. At what height must guardrails be installed on scaffolding? A) 4 feet. B) 6 1/2 feet. C) 7 feet. D) 7 1/2 feet. Show Answer Correct Answer: D) 7 1/2 feet. 8. What is a rain forest? A) A. a rainy place in South America. B) B. a rainy place with tall trees. C) C. a rainy, warm place. D) None of the above. Show Answer Correct Answer: B) B. a rainy place with tall trees. 9. What happens to animals that lose their habitat? A) They get sad. B) They move in to another den. C) They try to find another home. D) They die and become extinct. Show Answer Correct Answer: D) They die and become extinct. 10. Why is it important to plant a tree straight? A) To prevent disease. B) So the tree grows straight. C) To increase fruit production. D) To reduce water usage. Show Answer Correct Answer: B) So the tree grows straight. 11. When was the Chipko Movement originated? A) 1952. B) 1974. C) 1978. D) 1972. Show Answer Correct Answer: D) 1972. 12. Trees in a deciduous forest have leaves that: A) Change colors and fall off for the winter. B) Stay green and do not fall off for the winter. C) All the above. D) None of the above. Show Answer Correct Answer: A) Change colors and fall off for the winter. 13. Clear-cutting is A) Forestry practice of planting new trees in a specific area. B) Forestry practice of cutting down all trees in a specific area at once. C) Forestry practice of only cutting down dead trees in a specific area. D) Forestry practice of trimming branches off trees in a specific area. Show Answer Correct Answer: B) Forestry practice of cutting down all trees in a specific area at once. 14. Which layer is so dense that it penetrates little sunlight through it? A) Canopy. B) Understorey. C) Forest floor. D) None of these. Show Answer Correct Answer: A) Canopy. 15. India has great diversity of natural ecosystem A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Trees cover what fraction of land on Earth? A) 1/4. B) 1/3. C) 1/2. D) 1/5. Show Answer Correct Answer: B) 1/3. 17. Line tailed macaque lived in which forest s A) Evergreen forest. B) Deciduous forests. C) Thorny and shrub forests. D) Mangrove are littoral forest. Show Answer Correct Answer: A) Evergreen forest. 18. Which of these is not true about forests? A) Provide home to animals. B) Help in causing rainfall. C) Prevent soil erosion. D) Purify air by absorbing oxygen and releasing carbon dioxide. Show Answer Correct Answer: D) Purify air by absorbing oxygen and releasing carbon dioxide. 19. What are known as 'green lungs'? A) Grasshoppers. B) Rivers. C) Forests. D) All of the above. Show Answer Correct Answer: C) Forests. 20. Thorn forest is also known as ..... forest. A) Desert. B) Evergreen. C) Coniferous. D) Deciduous. Show Answer Correct Answer: A) Desert. 21. In which part of the rain forest do most animals live? A) In their den. B) Underground. C) The trees. D) The canopy. Show Answer Correct Answer: D) The canopy. 22. What is the primary conflict in 'My First Lifeline'? A) Man vs. Nature. B) Man vs. Man. C) Man vs. Self. D) Man vs. Society. Show Answer Correct Answer: A) Man vs. Nature. 23. In what year THE FOREST CONSERVATION ACT was enacted? A) 1987. B) 1977. C) 1980. D) 2000. Show Answer Correct Answer: C) 1980. 24. A violent, whirling column of air in contact with the ground A) Hurricane. B) Weather. C) Tornado. D) None of the above. Show Answer Correct Answer: C) Tornado. 25. According to the article, what causes trees to become weaker, and therefore more susceptible to pathogens? A) Bark beetles. B) Hot weather. C) Competition for water. D) Global warming. Show Answer Correct Answer: C) Competition for water. ← 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