This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Forests Our Lifeline > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the tree line in the mountains? A) The lowest point of the forest. B) The area where the forest begins. C) The area where the forest stops. D) The highest point of the forest. Show Answer Correct Answer: C) The area where the forest stops. 2. The removal of soil by wind or water is known as A) Soil Conservation. B) Soil Protection. C) Soil Erosion. D) None of the above. Show Answer Correct Answer: C) Soil Erosion. 3. Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. These structures are favorable because they A) Can cause genetic changes to occur. B) Attract insects that aid in pollination. C) Aid in the dispersal of the species. D) Prevent germination within the seed pod. Show Answer Correct Answer: C) Aid in the dispersal of the species. 4. What are forest mainly cut for? A) Wood. B) Paper. C) Non of these. D) All of above. Show Answer Correct Answer: A) Wood. 5. Temperate forests have 4 distinct seasons A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. T/F Old forest have greater biodiversity than younger forests A) Old forests have no biodiversity. B) True. C) False. D) Biodiversity is not related to the age of the forest. Show Answer Correct Answer: B) True. 7. Which is the only place in the world where the Asiatic lion is protected? A) Jim Corbett National Park. B) Periyar Wildlife Sanctuary. C) Ranthambore National Park. D) Nandankanan Zoological Park. E) Provides National Park. Show Answer Correct Answer: E) Provides National Park. 8. What is plastic made from? A) Copies of natural substances. B) Natural substances found in the rain forest. C) Synthetic substances arranged in the lab. D) Petroleum, a natural resource. Show Answer Correct Answer: D) Petroleum, a natural resource. 9. Which continent has the most rain forests? A) South America. B) North America. C) Europe. D) Asia. Show Answer Correct Answer: A) South America. 10. All food chains are not linked. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. What kind of image formed by concave lens? A) Virtual. B) Real. C) Both. D) None. Show Answer Correct Answer: A) Virtual. 12. What is the text structure for the section under the heading "Bringing New Life" ? A) Problem & solution. B) Sequence/chronological order. C) Proposition & support. D) Compare & contrast. Show Answer Correct Answer: A) Problem & solution. 13. ..... non-living things that trees need to survive. Soil, temperature, wind, sunlight, and water are all examples of these. A) Transpiration. B) Leaves. C) Abiotic Factors. D) Biotic Factors. Show Answer Correct Answer: C) Abiotic Factors. 14. What is the full form of IUCN?a. International union for construction of natureb. Indian Union Conservation of Naturec. Information of Union conserved natured. International union for conservation of nature A) A. B) B. C) D. D) C. Show Answer Correct Answer: C) D. 15. What have substances found in Earth's rain forests been used for? A) Creating synthetic materials like plastic. B) Treating medical conditions for thousands of years. C) Making gasoline and other products. D) Analyzing the properties of synthetic substances. Show Answer Correct Answer: B) Treating medical conditions for thousands of years. 16. WHICH FOREST HAVE NEEDLE-SHARPED LEAVES A) THORN FOREST. B) EVERYGREEN FOREST. C) TIDAL FOREST. D) MOUNTAIN FOREST. Show Answer Correct Answer: D) MOUNTAIN FOREST. 17. The dog ..... not in the yard. A) Is. B) Are. C) Were. D) Am. Show Answer Correct Answer: A) Is. 18. What are some examples of forest plants mentioned in the text? A) Apple, Orange, Banana, Mango. B) Rose, Tulip, Sunflower, Lily. C) Sal, teak, semal, sheesham. D) Cactus, Aloe Vera, Bamboo, Fern. Show Answer Correct Answer: C) Sal, teak, semal, sheesham. 19. Temperate forests are full of tress, but also plants like shrubs, mosses and grass. All of these plants in a forest ecosystem provide food for ..... A) Birds. B) Producers. C) Herbivores. D) Humans. Show Answer Correct Answer: C) Herbivores. 20. What seems to be the point of the first act? A) To introduce the characters and show them in their ordinary daily lives. B) To show contrast between appearance and reality in their lives. C) To foreshadow the action of the later acts. D) To build suspense for the dramatic conclusion to come. Show Answer Correct Answer: A) To introduce the characters and show them in their ordinary daily lives. 21. What is the main characteristic of kelp forests? A) They are found in warm, nutrient-poor waters. B) They are located only in tropical regions. C) They are devoid of marine life. D) They are underwater ecosystems with dense kelp plants. Show Answer Correct Answer: D) They are underwater ecosystems with dense kelp plants. 22. The Sunderbans are the largest evergreen forests of India. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Something that grows or has grown A) Eerie. B) Lively. C) Growth. D) Layers. Show Answer Correct Answer: C) Growth. 24. This is said to form a food chain:Grass$\rightarrow$ insects$\rightarrow$ frog$\rightarrow$ snake$\rightarrow$ eagle. Is it TRUE OR FALSE. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 25. Cutting down of forests is called ..... A) Afforestation. B) Reforestation. C) Deforestation. D) None of the above. Show Answer Correct Answer: C) Deforestation. 26. What do you call it when it doesn't rain for a long time? A) Forest fire. B) Earthquake. C) Flooding. D) Drought. Show Answer Correct Answer: D) Drought. 27. In which reason grasslands grown in extensive continual areas A) Taiga. B) Steppe. C) Tundra. D) Mediterranean. Show Answer Correct Answer: B) Steppe. 28. WHICH IS THE LARGEST PUBLIC SECTOR UNDERTAKEN IN INDIA A) STEEL AUTHORITY OF INDIAL LIMITED[SAIL]. B) NATIONAL HIGHWAYS AUTHORITY OF INDIA[NHAI]. C) INDIAN RAILWAYS. D) NATIONAL THERMAL POWER CORPORATION[NTPC]. Show Answer Correct Answer: C) INDIAN RAILWAYS. 29. What is the theme of World Wildlife Day 2020? A) God is one. B) We should be sensitive towards animals. C) Sustaining All Life on Earth. D) Save Forests, Save Wildlife. Show Answer Correct Answer: C) Sustaining All Life on Earth. 30. What happens to a deciduous tree in the fall? A) It bears fruit. B) It flowers. C) It grows new leaves. D) It loses its leaves. Show Answer Correct Answer: D) It loses its leaves. 31. What kind of gas that we breathe comes from trees? A) Oxygen. B) Nitrogen. C) Carbon Dioxide. D) Ethanol. Show Answer Correct Answer: A) Oxygen. 32. What happens to the decaying matter on the forest floor? A) It disappears. B) It becomes warm. C) It becomes cold. D) It becomes dry. Show Answer Correct Answer: B) It becomes warm. 33. In which forest would you usually come across the kodkod? A) Valdivian. B) Tongass. C) All the above. D) None of the above. Show Answer Correct Answer: A) Valdivian. 34. What was the plan proposed by the senior people to solve the town's unemployment problem? A) To promote tourism in the town. B) To create more educational institutions. C) To build a factory in the forest. D) To clear the forest for agriculture. Show Answer Correct Answer: C) To build a factory in the forest. 35. . In which year was the Forest Right Act was passed?a. 1992b. 2006c. 1968d. 1950 A) A. B) D. C) B. D) C. Show Answer Correct Answer: C) B. 36. What is forest managment A) Forest Management is forest conservation. B) Forest Management is a worldwide illegal organization that specializes in forest related crime like logging and poaching. C) Joe Biden's security detail. D) Forest Management takes care of the legal and economic aspects of forest conservation. Show Answer Correct Answer: D) Forest Management takes care of the legal and economic aspects of forest conservation. 37. Which Forest? Long and cold winter, short and mild summer A) Tropical Rainforest. B) Temperate Deciduous Forest. C) Coniferous Forest (Taiga). D) None of the above. Show Answer Correct Answer: C) Coniferous Forest (Taiga). 38. What is the oldest living thing on Earth? A) A fossil Mr. Snyder found. B) A bristlecone pine tree in Nevada. C) The Egyptian pyramids. D) A toy in Mr. L's van. Show Answer Correct Answer: B) A bristlecone pine tree in Nevada. 39. Which animals are only plant eater?? A) Lion, tigers, hawks, jackal etc . B) Goat, cow, deer etc . C) Dog and fox. D) None of these . Show Answer Correct Answer: B) Goat, cow, deer etc . 40. About ..... of the world's animal species depend on forests for their homes. A) 70%. B) 80%. C) 30%. D) 20%. Show Answer Correct Answer: A) 70%. 41. Wild goats and snow leopards are found in Gir forests. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 42. Apart from oxygen, what other resources do forests provide? A) Medicinal plants. B) Timber. C) Water. D) All of the above. Show Answer Correct Answer: D) All of the above. 43. How high should a top guardrail be? A) 48-50 inches above platform. B) 36-48 inches above platform. C) 42-45 inches above platform. D) 30-36 inches above platform. Show Answer Correct Answer: C) 42-45 inches above platform. 44. The insects, butterflies, honeybees and birds help flowering plants in ..... A) Afforestation. B) Pollination. C) Soil erosion. D) None of the above. Show Answer Correct Answer: B) Pollination. 45. Deforestation has taken place due to which of the following reasons?? A) Due to the increasing demand of wood and Timber. B) Due to the increasing demand of land and constructing factories, houses, roads and dams. C) Due to increasing mining activity. D) All of the above. Show Answer Correct Answer: D) All of the above. 46. The forest cover in India is about how much percent in India of its total geographical area? A) 35%. B) 0%. C) 21%. D) 31%. Show Answer Correct Answer: C) 21%. 47. What is a sewage treatment plant? A) The place where water is cleaned, filtered and tested before re-entering the water cycle. B) The place where water is cleaned, filtered and tested before going to our houses. C) The network of pipes that carry sewage (dirty water) from our houses. D) The place where water is bottled for drinking. Show Answer Correct Answer: A) The place where water is cleaned, filtered and tested before re-entering the water cycle. 48. Which Biome do you live in A) Rain Forest. B) Desert. C) Tundra. D) Deciduous Forest. Show Answer Correct Answer: D) Deciduous Forest. 49. At the end of the article, the research found, surprisingly, that controlled burns is not actually an effective way to prevent wildfires. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 50. The kind of agriculture practiced in forest area is ..... A) Traditional agriculture. B) Shifting agriculture. C) Mixed agriculture. D) None of the above. Show Answer Correct Answer: B) Shifting agriculture. 51. What protects workers from electrical shock while working on a Scaffold? A) GFCI. B) Cal/OSHA. C) Lock out. D) OSHA. Show Answer Correct Answer: A) GFCI. 52. Which forest have green throughout year A) Evergreen forest. B) Tidal forest. C) Mangrove forest. D) Deciduous forests. Show Answer Correct Answer: A) Evergreen forest. 53. The trees that grow in very dry areas with little rainfall are ..... A) Thumma, eluba. B) Sitaphal, Vepa. C) Thumma, Bulusurga, Sitaphal, Vepa. D) None of the above. Show Answer Correct Answer: C) Thumma, Bulusurga, Sitaphal, Vepa. 54. What is Carnivores??? A) The organisms which eat plants and it products for their food and called Carnivores . B) The organisms which eat only flesh of animals as their food are called Carnivores . C) The organisms which eat both plants and animal meat are called Carnivores . D) None of the above . Show Answer Correct Answer: B) The organisms which eat only flesh of animals as their food are called Carnivores . 55. Banyan tree is our National tree. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 56. What animal eats the purple sea urchin A) Dolphins. B) Sea Otters. C) Fish. D) None of the above. Show Answer Correct Answer: B) Sea Otters. 57. Deciduous trees ..... their leaves in the fall. A) Shed. B) Increase. C) Grow. D) Restore. Show Answer Correct Answer: A) Shed. 58. Crown matches with- A) Portion of tree above main stem. B) Portion of tree. C) Roof formed by trees over other plants. D) Decomposersers. Show Answer Correct Answer: A) Portion of tree above main stem. 59. The shelterwood approach of harvesting A) Planting new trees without removing the old ones. B) Leaving the forest untouched for decades. C) Gradually removing trees in a series of cuts to create a new generation of trees. D) Clear-cutting the entire forest at once. Show Answer Correct Answer: C) Gradually removing trees in a series of cuts to create a new generation of trees. 60. About 65% of Virginia is covered by forests. Which of the following would be a result of removing forests in Virginia? A) Populations of woodland animals would decrease. B) Storm runoff would decrease. C) Air pollution would decrease. D) Coal mining would decrease. Show Answer Correct Answer: A) Populations of woodland animals would decrease. ← 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