This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Forests Our Lifeline > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Silver fir is found in the following type of vegetation A) Deciduous Forest. B) Thorn Forest. C) Mangrove Forest. D) Montane Forest. Show Answer Correct Answer: D) Montane Forest. 2. What is the function of natural forests to the local community? A) I and II. B) I dan iv. C) II and III. D) Eii than ehi. E) I Mining Location Source of Income III Food Sources Agricultural Area Transfer. Show Answer Correct Answer: C) II and III. 3. Santhal tribes are found in the region of A) Northeastern area. B) Jharkhand. C) All the above. D) None of the above. Show Answer Correct Answer: B) Jharkhand. 4. Sequence that represents the series of eating and being eaten is called A) Food hub. B) Food series. C) Food web. D) Food chain. Show Answer Correct Answer: D) Food chain. 5. Fact or opinion:To reach the hardwood trees, loggers damage other trees and soil, making it hard for young trees to grow. A) Fact. B) Opinion. C) All the above. D) None of the above. Show Answer Correct Answer: A) Fact. 6. Forest acts as natural ..... of rainwater. A) Habitat. B) Absorber. C) Burrows. D) Water. Show Answer Correct Answer: B) Absorber. 7. Leafless plants like ferns and mosses grow in A) Canopy. B) Understorey. C) Forest floor. D) All of these. Show Answer Correct Answer: C) Forest floor. 8. The largest of the water features. These are the deepest parts of the oceans, often characterized by the presence of underwater features like ridges, trenches, and seamounts. A) Open Ocean. B) Seas and Gulfs. C) Estuaries. D) Point Source. Show Answer Correct Answer: A) Open Ocean. 9. Which country has the largest rain forest in the world? A) Argentina. B) Brazil. C) Canada. D) Chile. Show Answer Correct Answer: B) Brazil. 10. What is the primary function of roots in forest trees? A) Nutrient absorption. B) Photosynthesis. C) Pollination. D) Seed dispersal. Show Answer Correct Answer: A) Nutrient absorption. 11. What role does the Taiga biome play in global carbon cycling? A) It releases carbon dioxide into the atmosphere. B) It absorbs carbon dioxide from the atmosphere. C) It has no impact on carbon cycling. D) It absorbs oxygen and releases carbon dioxide. Show Answer Correct Answer: B) It absorbs carbon dioxide from the atmosphere. 12. What is the main idea of this article? A) A. Most big rain forest animals live on the rain forest floor. B) B. Many different kinds of animals live in rain forests. C) C. The Amazon is the world's largest rain forest. D) None of the above. Show Answer Correct Answer: B) B. Many different kinds of animals live in rain forests. 13. Tendu leaves are used for: A) Making furniture. B) Making dyes. C) Particular wrapping purposes. D) Extraction of Bee Wax. Show Answer Correct Answer: C) Particular wrapping purposes. 14. Since the soil in the tundra is permanently frozen (permafrost) the plants have shallow roots. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. We should not throw cooking oil and paint down the drain because A) They break the pipe. B) They harden and clog the pipe. C) They flow through the drain freely. D) None of these. Show Answer Correct Answer: B) They harden and clog the pipe. 16. This area of forest below the canopy provides animals with bark, fruit, and a place to rest and nest A) Overstory. B) Canopy. C) Midstory. D) Subcanopy. Show Answer Correct Answer: D) Subcanopy. 17. The four parts of the year that each have their own kind of weather A) Location. B) Region. C) Temperate. D) Seasons. Show Answer Correct Answer: D) Seasons. 18. ..... are found in forests A) Large bee hives. B) Dogs. C) Rice. D) None of the above. Show Answer Correct Answer: A) Large bee hives. 19. Which species of kelp is the largest and provides habitat for numerous marine organisms? A) Sea Palms. B) Giant Kelp. C) Feather Boa Kelp. D) Bull Kelp. Show Answer Correct Answer: B) Giant Kelp. 20. Unique forest found along sea coast A) Mangrove forest. B) Desert and scrub vegetation. C) Mountain vegetation. D) None of the above. Show Answer Correct Answer: A) Mangrove forest. 21. Animals found in rainforests A) Polar bears, Penguins, Tigers. B) Cocodod was, Hith, Bow. C) Bat, Gorilla, Monkey. D) Joe Mama. Show Answer Correct Answer: C) Bat, Gorilla, Monkey. 22. What was the policy followed by the British in India towards forests during the First and the Second World Wars? A) The forest department cut trees freely to meet British war needs. B) Cutting of trees was strictly prohibited for everyone, including the British. C) More and more trees were planted to give employment to Indians. D) None of the above. Show Answer Correct Answer: B) Cutting of trees was strictly prohibited for everyone, including the British. 23. What trees dominate the Eurasian coniferous forest? A) Siberian pine, Siberian fir, and larches. B) Oak trees. C) Palm trees. D) Maple trees. Show Answer Correct Answer: A) Siberian pine, Siberian fir, and larches. 24. On which continent can we find the Amazon rainforest? A) Africa. B) Australia. C) South America. D) Asia. Show Answer Correct Answer: C) South America. 25. Which of these is a correct food chain A) Grass, insect, frog, snake, eagle. B) Eagle, grass, snake, frog, insect. C) All the above. D) None of the above. Show Answer Correct Answer: A) Grass, insect, frog, snake, eagle. 26. Forests protect the soil from erosion. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 27. On cold days it is in the forest ..... A) Cooler. B) Warmer. C) All the above. D) None of the above. Show Answer Correct Answer: B) Warmer. 28. Salt Ponna, Urada, White, Kadali Arm of the Typical Vegetation of A) Coastal areas. B) Equatorial areas. C) Temperate areas. D) All the above. Show Answer Correct Answer: A) Coastal areas. 29. ..... forests are found in the Himalayan region. A) Evergreen. B) Thorn. C) Mountain or Coniferous. D) Mangrove and Tidal. E) Deciduous. Show Answer Correct Answer: C) Mountain or Coniferous. 30. What is Forest conservation A) Forest conservation is the preservation and the protection of plastic. B) Forest conservation is forest managment. C) Forest conservation is the preservation and the protection of forests. D) Forest conservation is the illegal act of destroying whole forests. Show Answer Correct Answer: C) Forest conservation is the preservation and the protection of forests. 31. What is an outcome of deforestation? A) Increases Biodiversity. B) I don't know. C) Adds carbon dioxide to the air. D) Stabilize the Soil. Show Answer Correct Answer: C) Adds carbon dioxide to the air. 32. What is the importance of kelp forests in carbon sequestration? A) They capture and store carbon dioxide from the atmosphere. B) They have no impact on climate change. C) They release carbon dioxide into the atmosphere. D) They contribute to global warming. Show Answer Correct Answer: A) They capture and store carbon dioxide from the atmosphere. 33. ..... convert the dead plants and animals into humus A) Carnivores. B) Herbivores. C) Decomposersers. D) Omnivores. Show Answer Correct Answer: C) Decomposersers. 34. A large area where many trees grow is known as a A) Plant. B) Forest. C) All the above. D) None of the above. Show Answer Correct Answer: B) Forest. 35. Does recycling help the forest? A) Yes. B) No. C) I don't know. D) None of the above. Show Answer Correct Answer: A) Yes. 36. Where is the Bandipur National Park located? A) Kerala. B) Karnataka. C) Odisha. D) Madhya pradesh. Show Answer Correct Answer: B) Karnataka. 37. What are the main threats to pine forests in the Bahamas? A) Deforestation, wildfires, invasive species, and climate change. B) Air pollution, urbanization, overpopulation. C) Hurricanes, soil erosion, overgrazing. D) Drought, flooding, earthquakes. Show Answer Correct Answer: A) Deforestation, wildfires, invasive species, and climate change. 38. In which part of the Waste water treatment does the the sludge and scum separated from the liquid? A) Bio reactor. B) Inlet works. C) Clarifiers. D) Sewage treatment plant. Show Answer Correct Answer: C) Clarifiers. 39. What role does the lifeline play in the story? A) It is a character. B) It is a place. C) It is a literal rope. D) It is a symbol of hope. Show Answer Correct Answer: D) It is a symbol of hope. 40. ..... trees shed their leaves seasonally as the weather cools during the autumn months. A) Coniferous. B) Deciduous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Deciduous. 41. Some animals make their shelter on plants or trees A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 42. Which of the following is not a benefit of trees? A) Oxygen. B) Shade. C) Prevention of soil erosion. D) Carbon Dioxide. Show Answer Correct Answer: D) Carbon Dioxide. 43. What feature of redwood trees makes them stand out among other tree species? A) Yellow fruit. B) Green leaves. C) Reddish-brown bark. D) Purple flowers. Show Answer Correct Answer: C) Reddish-brown bark. 44. THE INDIAN RAILWAY NETWORK RUNS ON MUTIPLE NETWORK OF GUAGE OPERATIONS.WHICH OF THE FOLLOWING HAS THE MAXIMUM TOTAL TRACK IN KILOMETERS? A) BROAD GAUGE. B) NARROW GAUGE. C) METRE GAUGE. D) NONE OF THE ABOVE. Show Answer Correct Answer: A) BROAD GAUGE. 45. In which area in India Mangrove forests are found? A) Sunder ban Delta of west bengal. B) Hills/ mountains. C) Sunder ban Delta of north east. D) None of these. Show Answer Correct Answer: A) Sunder ban Delta of west bengal. 46. What is the maximum length of exposed thread on a screw jack? A) 10". B) 20". C) 18". D) 12". Show Answer Correct Answer: D) 12". 47. What adaptations do many of the plants that live in the herb and shrub layers have? A) Thick bark to avoid drying out. B) Blooms only during the winter. C) Blooms early in spring before the trees. D) None of these. Show Answer Correct Answer: C) Blooms early in spring before the trees. 48. On average, how much rain does a rain forest get in one year? A) 100 in. B) 160 in. C) 200 in. D) 1, 000in. Show Answer Correct Answer: B) 160 in. 49. Deciduous Forest are also called as A) Evergreen Forests. B) Monsoon Forests. C) Mountain Forests. D) None of the above. Show Answer Correct Answer: B) Monsoon Forests. 50. The evergreen forests are found in the areas with scanty rainfall. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 51. Which bird makes the largest nest? A) Hummingbird. B) Sociable Weavers. C) Ostrich. D) Wandering albatross. Show Answer Correct Answer: B) Sociable Weavers. 52. Which tree is the king of all trees? A) Banyan. B) Oak. C) Neem. D) Sheesham. Show Answer Correct Answer: B) Oak. 53. Interlink of several food chains is known as a A) Food circle. B) Food square. C) Food web. D) Food net. Show Answer Correct Answer: C) Food web. 54. Micro-organisms act upon the dead plants to produce:- A) Sand. B) Wood. C) Humus. D) Mushrooms. Show Answer Correct Answer: C) Humus. 55. If the forests disappear the level of ..... will increase. A) Animals. B) Nitrogen. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: C) Carbon dioxide. 56. Why did the author include paragraphs 4 through 9? (Jose Rodriguez, Christian Ramos, Caydren Bolden, Oscar Rauda, Payton Price) A) To inform about food forest. B) How did the food forest start. C) To compare and contrast food forests and community gardens. D) To explain the problem of food forest. Show Answer Correct Answer: C) To compare and contrast food forests and community gardens. 57. In Tropical Rainforest/Evergreen Forests, which are the most important trees? A) Ebony, Rosewood and Mahogany. B) Sandalwood, Mahua and Semul. C) Shisham, Bamboo and Rosewood. D) None of the above. Show Answer Correct Answer: A) Ebony, Rosewood and Mahogany. 58. Grizzly bear, musk ox, caribou and wolves are found in which biome? A) Temperate Deciduous Forest. B) Tundra. C) Coniferous Forest. D) Grassland. Show Answer Correct Answer: C) Coniferous Forest. 59. The trees grown in the deciduous forests are A) Teak. B) Material. C) I'll raise it. D) All the above. Show Answer Correct Answer: D) All the above. 60. What is sustainable practices? A) Making maple syrup from the tree sap. B) Planting more trees in a forest to attract more wildlife. C) Reducing the demand on natural resources by making sure you replace what you use. D) Introducing a new species to a forest to make a new species. Show Answer Correct Answer: C) Reducing the demand on natural resources by making sure you replace what you use. ← 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 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