This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Forests Our Lifeline > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the term 'majestic' mean in the context of the passage? A) Small and unimpressive. B) Beautiful and splendid. C) Ugly and dull. D) Ordinary and plainTagsUnderstanding word meanings. Show Answer Correct Answer: B) Beautiful and splendid. 2. The proportion of the United States' land area made up of forests is about ..... A) One fourth. B) One half. C) One third. D) Two thirds. Show Answer Correct Answer: C) One third. 3. Which biome contains the largest and oldest organisms? A) Deciduous forests. B) Boreal forests. C) Temperate forests. D) Tropical forests. Show Answer Correct Answer: C) Temperate forests. 4. Forests are one of the most important ..... ashore. A) Destroyer. B) Pests. C) Dirty. D) Climate protection. Show Answer Correct Answer: D) Climate protection. 5. Zooming out to see the forest as part of a bigger neighborhood with fields and rivers. A) Microhabitats. B) Understory Layer. C) Emergent Layer. D) Landscape Scale. Show Answer Correct Answer: D) Landscape Scale. 6. What are fungi, insects, and bacteria considered in a forest? A) Producers. B) Predators. C) Decomposers. D) Consumers. Show Answer Correct Answer: C) Decomposers. 7. T/F The forest can provide medicines for many diseases and illnesses A) Only for minor ailments. B) True. C) Depends on the type of forest. D) False. Show Answer Correct Answer: B) True. 8. Where would you find the Arashiyama Bamboo Forest? A) China. B) Japan. C) All the above. D) None of the above. Show Answer Correct Answer: B) Japan. 9. Which type of roads received special impetus under Pradhan Mantri Grameen Sadak Yojana? A) NHAI. B) Rural. C) BRO. D) SHAI. Show Answer Correct Answer: B) Rural. 10. Fact or opinion:Many rain forests produce hardwood, which is tough and long lasting. A) Fact. B) Opinion. C) All the above. D) None of the above. Show Answer Correct Answer: A) Fact. 11. Biodiversity refers to? A) The diversity of wild plants. B) The diversity of wildlife. C) A variety of natural ecosystems. D) The diversity of plants and wildlife in a natural environment. Show Answer Correct Answer: D) The diversity of plants and wildlife in a natural environment. 12. What is pathfinder's ultimate? A) Tell were is the next safe zone. B) Grapple. C) Make a zipline. D) Opens a map. Show Answer Correct Answer: C) Make a zipline. 13. Which of the following increases the carbon dioxide level in the atmosphere? A) Afforestation. B) Deforestation. C) Social forestry. D) None of the above. Show Answer Correct Answer: B) Deforestation. 14. The most important resource people rely on from the cloud forests is ..... A) Meat. B) Trees. C) Fruit. D) Water. Show Answer Correct Answer: D) Water. 15. Present global warming problem is due to ..... A) Afforestation. B) Forestation. C) Deforestation. D) None of the above. Show Answer Correct Answer: C) Deforestation. 16. How does kelp compare to trees on land in terms of carbon absorption? (4:53) A) Kelp absorbs less carbon than trees. B) Kelp releases carbon into the atmosphere. C) Trees and kelp absorb the same amount of carbon. D) Kelp can absorb carbon at rates 10 to 50 times greater than forests on land. Show Answer Correct Answer: D) Kelp can absorb carbon at rates 10 to 50 times greater than forests on land. 17. In water cycle, trees take in water from their roots and release water vapour into the air through ..... A) Respiration. B) Evaporation. C) Condensation. D) Vaporization. Show Answer Correct Answer: B) Evaporation. 18. What is the approximate area of rainforest being cut down every day? A) 225 square kilometers. B) 125 square kilometers. C) 425 square kilometers. D) 325 square kilometers. Show Answer Correct Answer: D) 325 square kilometers. 19. A forest is a piece of land with many ..... A) Trees. B) Mountains. C) Oceans. D) Hills. Show Answer Correct Answer: A) Trees. 20. Which type of forest is found near to the coastlines? A) Pine forest. B) Blackland Coppice. C) Broadleaf. D) Whiteland Coppice. Show Answer Correct Answer: D) Whiteland Coppice. 21. What would be an abiotic factor of a forest? A) Air and temperature. B) Sand and Water. C) Trees and Squirrels. D) I don't know. Show Answer Correct Answer: A) Air and temperature. 22. A country should have at least ..... of its area under forests. A) One-third. B) One-fifth. C) All the above. D) None of the above. Show Answer Correct Answer: A) One-third. 23. Which organisms convert dead and decaying matter into dark coloured humus? A) Scavengers. B) Birds. C) Decomposers which are mostly micro-organisms. D) Herbivores. Show Answer Correct Answer: C) Decomposers which are mostly micro-organisms. 24. The region of a forest at the treetop level. The leaves provide food for insects, who in turn are a food source for birds. A) Understory. B) Forest floor. C) Tree trunk. D) Canopy. Show Answer Correct Answer: D) Canopy. 25. We can see natural vegetation like teak saal bamboo Rosewood sandalwood and neem are found in which forests A) Evergreen forest. B) Deciduous forests. C) Thorny and shrub forests. D) Mangrove are littoral forest. Show Answer Correct Answer: B) Deciduous forests. 26. ..... forests lie near the Equator. This biome has hot, wet conditions all year long. A) Tropical. B) Temperate. C) Tundra. D) Taiga. Show Answer Correct Answer: A) Tropical. 27. In tropical evergreen forests, one of the common animals is: A) Camel. B) Snakes. C) Giraffe. D) Monkey. Show Answer Correct Answer: D) Monkey. 28. How should scaffolds be attached to a building? A) Plastic zip ties. B) Double loop 12" wire. C) Triple loop 10" wire. D) Single loop 12" wire. Show Answer Correct Answer: B) Double loop 12" wire. 29. The one-horned rhinocerous is protected in A) Gir forests. B) Ranthambore National Park. C) Jaldapara Wildlife Sanctuary. D) None of the above. Show Answer Correct Answer: C) Jaldapara Wildlife Sanctuary. 30. The introduction of ..... has caused an increase in endangered plant and animal species. A) Venus fly traps. B) Invasive species. C) Wild fires. D) Soil erosion. Show Answer Correct Answer: B) Invasive species. 31. From where do epiphytes get food and water? A) Plants. B) Soil. C) Air. D) Animals. Show Answer Correct Answer: C) Air. 32. What percent of terrestrial animals depend on forest habitats? A) 70. B) 85. C) 60. D) 80. Show Answer Correct Answer: D) 80. 33. What is the sewage network? A) The place where water is cleaned before being returned to rivers. B) The pipes that carry sewage (dirty water) from our houses to the sewage treatment plant. C) The place where all our sewage is cleaned. D) The place where water is cleaned before being returned to our taps. Show Answer Correct Answer: B) The pipes that carry sewage (dirty water) from our houses to the sewage treatment plant. 34. ..... forests are found in Gangetic Delta and in the coastal plains. A) Deciduous Forests. B) Mangrove Forests. C) All the above. D) None of the above. Show Answer Correct Answer: B) Mangrove Forests. 35. Which among is not mangroves region of India? A) West Bengal. B) Udupi. C) Kandpur. D) Ratnagiri. Show Answer Correct Answer: B) Udupi. 36. How do forests help in regulating the Earth's climate? A) By reducing biodiversity. B) By increasing soil erosion. C) By absorbing greenhouse gases. D) By reflecting sunlight. Show Answer Correct Answer: C) By absorbing greenhouse gases. 37. Dry deciduous forest has the rainfall ranging from?a 75 cm to 100cmb. Below 75 cmc. 125 cm to 200 cmd. None A) B. B) A. C) C. D) D. Show Answer Correct Answer: B) A. 38. Which of the following serve as green lung? A) Forests. B) Greenhouse Gases. C) Kitchen garden. D) Green pigment of the plants. Show Answer Correct Answer: A) Forests. 39. Chir, pine, deodar are important trees of which forest. A) Mangrove Forest. B) Tropical Deciduous. C) Mountain Vegetation. D) Tropical Evergreen Forest. Show Answer Correct Answer: C) Mountain Vegetation. 40. How can you tell how old a tree is? A) By measuring its height. B) By finding the diameter. C) By counting the rings. D) By cutting it down and seeing how much rot is in it. Show Answer Correct Answer: C) By counting the rings. 41. What do you mean by flora A) Animal Community. B) Plant Community. C) Biotic life. D) Abiotic life. Show Answer Correct Answer: B) Plant Community. 42. WHICH OF THE FOLLOWING FORESTS ANIMALS IS THE SMALLEST A) FOX. B) BEAR. C) LION. D) PARCUPINE. Show Answer Correct Answer: D) PARCUPINE. 43. Which of the following serve as green lungs of the earth? A) Forests. B) Green pigment of the plants. C) Kitchen garden. D) Greenhouse Gases. Show Answer Correct Answer: A) Forests. 44. Read the given options. Select the correct option for the raw products of the deciduous forest. A) Wood pulp, maple sap, fruits. B) Resin, Oil, Wood. C) Cocoa, Jute, rubber. D) None of the above. Show Answer Correct Answer: A) Wood pulp, maple sap, fruits. 45. Which layer is the top layer of a tropical rain forests? A) Forest floor. B) Emergent. C) Floor. D) Canopy. Show Answer Correct Answer: B) Emergent. 46. All trees have roots that grow into the ground. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 47. How does deforestation affect the biodiversity of the Bahamas? A) Loss of habitat and decrease in biodiversity. B) Increase in biodiversity. C) No effect on biodiversity. D) Improvement in biodiversity. Show Answer Correct Answer: A) Loss of habitat and decrease in biodiversity. 48. ..... state has the largest number of sacred grooves. A) Himachal Pradesh. B) Andhra Pradesh. C) Uttar Pradesh. D) None of the above. Show Answer Correct Answer: A) Himachal Pradesh. 49. Forests help in bringing better rainfall. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. Which adaptation would best help a plant living in the understory or forest floor of the tropical rainforest? A) Small leaves to restrict amount of water lost. B) Stems that bend and don't break in the wind. C) Large leaves to absorb a lot of sunlight/. D) None of the above. Show Answer Correct Answer: C) Large leaves to absorb a lot of sunlight/. 51. The following are all examples of ..... within an ecosystem. Grass, trees, flowers, bears, and fish A) Abiotic factors. B) Biotic factors. C) Extinction. D) None of the above. Show Answer Correct Answer: B) Biotic factors. 52. Which of the following has the strongest stem? A) A creeper. B) A tree. C) A climber. D) A bush. Show Answer Correct Answer: B) A tree. 53. Which among these is not a part of India? A) Western Ghats. B) Andaman And Nicobar. C) Eastern ghats. D) None of these. Show Answer Correct Answer: D) None of these. 54. What is the main type of kelp that forms dense beds along rocky coastlines? A) Feather Boa Kelp. B) Giant Kelp. C) Bull Kelp. D) Sea Palms. Show Answer Correct Answer: A) Feather Boa Kelp. 55. MICROORGANISMS PRODUCE ..... BY ACTING UPON DEAD PLANTS A) WOOD. B) HUMUS. C) MUSHROOM. D) SAND. Show Answer Correct Answer: C) MUSHROOM. 56. Kaziranga National park situated in Assam is famous for A) One-horned rhino. B) Tiger. C) Asiatic lions. D) Birds. Show Answer Correct Answer: A) One-horned rhino. 57. Forests that grow in areas where salty sea water mixes with fresh water is called ..... A) Coniferous forests. B) Deciduous forests. C) Mediterranean forests. D) Tidal forests. Show Answer Correct Answer: D) Tidal forests. 58. How do extra layers of fat help animals survive in the Tundra? A) It provides them with water. B) It helps them sink into water to find food. C) It insulates their body and keeps them warm. D) None of the above. Show Answer Correct Answer: C) It insulates their body and keeps them warm. 59. Which layer of the rainforest is this describing:If we visited this layer we would see fallen leaves, decaying trees, tapirs, termites, and scorpions. A) Canopy. B) Forest Floor. C) Understory. D) Emergent. Show Answer Correct Answer: B) Forest Floor. 60. What are the many and varied benefits to humans provided by the natural environment and healthy ecosystems? A) Economic Services. B) Ecosystem Services. C) I don't know. D) Forest Services. Show Answer Correct Answer: B) Ecosystem Services. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books