This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Forests Our Lifeline > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... is the top layer of the forest which receives many hours of sunlight. A) Canopy. B) Understory. C) All the above. D) None of the above. Show Answer Correct Answer: A) Canopy. 2. Name the form of energy given out during the process of decay. A) Heat energy. B) Light energy. C) Sound energy. D) None of these. Show Answer Correct Answer: A) Heat energy. 3. Which of the following BEST MATCHES the description of the deciduous forest? A) Cold. B) Harsh. C) Extreme. D) Mild. Show Answer Correct Answer: D) Mild. 4. What are the adaptations of conifers to cold and dry environments? A) Broad leaves and flowers. B) Deciduous needles and cones. C) Evergreen needles and cones. D) Large fruits and flowers. Show Answer Correct Answer: C) Evergreen needles and cones. 5. Hibernation is a form of camouflage. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. One main stem or trunk is known as a A) Bole. B) Log. C) Cord. D) Mole. Show Answer Correct Answer: A) Bole. 7. 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) Emergent. C) Canopy. D) Understorey. Show Answer Correct Answer: D) Understorey. 8. What is the annual rainfall per year in rainforests? A) 60 to 160 inches. B) 50 to 100 inches. C) 460 inches. D) 97 inches. Show Answer Correct Answer: A) 60 to 160 inches. 9. 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. 10. 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. 11. 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. 12. At what height must guardrails be installed on scaffolding? A) 4 feet. B) 7 feet. C) 6 1/2 feet. D) 7 1/2 feet. Show Answer Correct Answer: D) 7 1/2 feet. 13. 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. 14. 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. 15. Why is it important to plant a tree straight? A) To increase fruit production. B) To prevent disease. C) So the tree grows straight. D) To reduce water usage. Show Answer Correct Answer: C) So the tree grows straight. 16. 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. 17. 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. 18. 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. 19. 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. 20. Trees cover what fraction of land on Earth? A) 1/3. B) 1/5. C) 1/2. D) 1/4. Show Answer Correct Answer: A) 1/3. 21. 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. 22. 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. 23. What are known as 'green lungs'? A) Grasshoppers. B) Rivers. C) Forests. D) All of the above. Show Answer Correct Answer: C) Forests. 24. Thorn forest is also known as ..... forest. A) Deciduous. B) Desert. C) Coniferous. D) Evergreen. Show Answer Correct Answer: B) Desert. 25. In which part of the rain forest do most animals live? A) The canopy. B) Underground. C) The trees. D) In their den. Show Answer Correct Answer: A) The canopy. 26. What is the primary conflict in 'My First Lifeline'? A) Man vs. Self. B) Man vs. Man. C) Man vs. Nature. D) Man vs. Society. Show Answer Correct Answer: C) Man vs. Nature. 27. In what year THE FOREST CONSERVATION ACT was enacted? A) 2000. B) 1987. C) 1980. D) 1977. Show Answer Correct Answer: C) 1980. 28. The image which is obtained on a screen A) Impression. B) Virtual image. C) Real image. D) Upright. Show Answer Correct Answer: C) Real image. 29. 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. 30. According to the article, what causes trees to become weaker, and therefore more susceptible to pathogens? A) Hot weather. B) Bark beetles. C) Competition for water. D) Global warming. Show Answer Correct Answer: C) Competition for water. 31. If anyone food chain is disturbed, it affectsother food chains. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 32. What is the main reason for the disappearance of the forest adjoining Tibu's village? A) Indiscriminate felling of trees. B) Construction of roads. C) Industrial development. D) Overgrazing of animals. Show Answer Correct Answer: A) Indiscriminate felling of trees. 33. Give three examples of birds found in India A) Parrot, Mynah, Owl. B) Crow, pigeon, sparrow. C) Humming bird, peacock. D) None of these. Show Answer Correct Answer: A) Parrot, Mynah, Owl. 34. Which of the following statements is true for both natural and cultivated forests? A) They have been genetically modified to resist certain diseases. B) They are important for cleansing the air and purifying water. C) They have grown in Virginia since before the 1500s. D) They are growing in size. Show Answer Correct Answer: D) They are growing in size. 35. Who is the most useless character to his team mate? A) Pathfinder. B) Wraith. C) Life line. D) Mirage. Show Answer Correct Answer: D) Mirage. 36. What does 'deciduous' mean? A) To have all four seasons. B) To fall or shed annually. C) A lot of trees in a specific area or biome. D) Small critters and insects. Show Answer Correct Answer: B) To fall or shed annually. 37. A deciduous (leafy) tree loses its leaves during Fall and Winter. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 38. The main type of tree family that grow in Evergreen forests of the Himalayas is ..... A) Teak. B) Cedar. C) Bamboo. D) None of the above. Show Answer Correct Answer: B) Cedar. 39. Which region has the highest rate of deforestation in the Amazon forest? A) Logging. B) Livestock pastures or soybean production. C) Tourism. D) Mining. Show Answer Correct Answer: B) Livestock pastures or soybean production. 40. Ecosystems that have only one species of plant A) Ecology. B) Native forest. C) Complex ecosystems. D) Simple ecosystems. Show Answer Correct Answer: D) Simple ecosystems. 41. This is the biggest port with a spacious natural and well-sheltered harbour. A) Haldia. B) Mumbai. C) Excit. D) Fissure. Show Answer Correct Answer: B) Mumbai. 42. Fir, Pine and Spruce are the examples of ..... trees. A) Deciduous. B) Thorn. C) Coniferous. D) None of the above. Show Answer Correct Answer: C) Coniferous. 43. Conifers have needles and enclose their seeds in A) Sacks. B) Cones. C) Root nodules. D) Pods. Show Answer Correct Answer: B) Cones. 44. HOW MANY TYPES OF FOREST A) 9. B) 2. C) 5. D) 7. Show Answer Correct Answer: C) 5. 45. How much of the earth is covered in trees? A) 1/3. B) 2/3. C) 1/2. D) 3/5. Show Answer Correct Answer: A) 1/3. 46. Bharatpur Bird Sanctuary is located in A) Punjab. B) Rajasthan. C) Gujarat. D) Bihar. Show Answer Correct Answer: B) Rajasthan. 47. Roof of the forest made by the branches of the tall trees is called? A) Canopy. B) Crown. C) Understoreys. D) None of these. Show Answer Correct Answer: A) Canopy. 48. Which Forest? Temperature fluctuates between 0$^{o }$C$^{ }$and 35$^{o}$ C throughout the year A) Tropical Rainforest. B) Temperate Deciduous Forest. C) Coniferous Forest (Taiga). D) None of the above. Show Answer Correct Answer: B) Temperate Deciduous Forest. 49. What is a spruce? A) Deciduous. B) Coniferous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Coniferous. 50. Which Forest? Four distinct seasons A) Tropical Rainforest. B) Temperate Deciduous Forest. C) Coniferous Forest (Taiga). D) None of the above. Show Answer Correct Answer: B) Temperate Deciduous Forest. 51. What are trees that drop their leaves considered? A) Softwood. B) Trees. C) Hardwood. D) Coniferous. Show Answer Correct Answer: C) Hardwood. 52. This word means "tend to fall off" and it also refers to a classification of trees. A) Deciduous. B) Maple. C) Temperate. D) Cactus. Show Answer Correct Answer: A) Deciduous. 53. What is a multi-purpose forest? A) A forest designed to be used for timber production. B) A forest designed to be used for one purpose. C) A forest designed to be used for more than one purpose. D) A forest designed to be used for hunting. Show Answer Correct Answer: C) A forest designed to be used for more than one purpose. 54. Which of these do we not get from trees? A) Rubber. B) Plastics. C) Medicines. D) Timber. Show Answer Correct Answer: B) Plastics. 55. Mahogony, Ebony, Rosewood, Ivory wood are the flora present in?a. Thorny forestsb. Deciduous forestc. Ever green forestd. Montane forest A) B. B) C. C) A. D) D. Show Answer Correct Answer: B) C. 56. Eagles build their nest near water because they ..... A) Like to swim. B) Need it to stay clean and bath. C) Like the pretty view. D) Need it to catch fish. Show Answer Correct Answer: D) Need it to catch fish. 57. Hot and dry wind known as ..... blow during the day in the summer. A) To. B) Hot air. C) Breeze. D) Air. Show Answer Correct Answer: A) To. 58. What is forest ecology? A) The study of the forest food system. B) The study of the forest soil. C) The study of a forest ecosystem. D) The study of forests. Show Answer Correct Answer: C) The study of a forest ecosystem. 59. Marshy forests are also called ..... A) Evergreen Forests. B) Tidal Forests. C) Thorny Forests. D) None of the above. Show Answer Correct Answer: B) Tidal Forests. 60. Which of the following would you expect to see in the emergent layer of a tropical rain forest? A) Grasses, insects, and small succulents. B) Eagles, bats, and snakes. C) Lichens, mosses, and dwarf woody plants. D) Epiphytes, small burrowing mammals, and burrowing toads. Show Answer Correct Answer: B) Eagles, bats, and snakes. ← PreviousNext →Related QuizzesScience QuizzesClass 7 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books