This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Forests Our Lifeline > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 19 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the main topic of this article? A) A giant kelp forest has three main parts. B) A giant kelp forest has a top, middle, and bottom. C) A giant kelp forest looks a lot like a forest of trees. D) A giant kelp forest is home for many different animals. Show Answer Correct Answer: D) A giant kelp forest is home for many different animals. 2. The climatic region which is present in between 5$^\circ$N and 10$^\circ$S latitude is?a. Desert Regionb. The Savanna regionc. The Steppe regiond. Tropical Region A) C. B) B. C) D. D) A. Show Answer Correct Answer: C) D. 3. When the water is clean where is it returned to? A) Our taps. B) The sea. C) The river. D) The reservoir. Show Answer Correct Answer: C) The river. 4. What's George's plan for the future? A) Become a doctor, like his father. B) Attend college and become a businessman. C) Be a pro-football player. D) Take over his uncle's farm. Show Answer Correct Answer: D) Take over his uncle's farm. 5. Out of three categories, which forests were regarded as the best? A) Reserved forests. B) Protected forests. C) Village forests. D) Both (a) and (b). Show Answer Correct Answer: A) Reserved forests. 6. What is the temperature in the forest like? A) Always hot. B) Always cold. C) Depends on where the forest is. D) None of the above. Show Answer Correct Answer: C) Depends on where the forest is. 7. Which of the following is not a source of waste water? A) Sewers. B) Homes. C) Hospitals. D) Industries. Show Answer Correct Answer: A) Sewers. 8. Which statement about bears is true? A) Bears hibernate in the winter and eat just honey. B) Bears are only carnivores, not omnivores. C) Bears eat bees as well as honey and don't technically hibernate. D) Bears are not found in New York State. Show Answer Correct Answer: C) Bears eat bees as well as honey and don't technically hibernate. 9. Which of the following is not a function of the forests? A) Causing soil erosion. B) Preventing flash floods. C) Maintenance of water cycle. D) Bringing sufficient rains. Show Answer Correct Answer: A) Causing soil erosion. 10. Pine forests are home for many different types of birds. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. How does biodiversity contribute to the ecosystem of the Bahamas? A) Biodiversity only leads to overpopulation of species in the ecosystem. B) Biodiversity has no impact on the ecosystem of the Bahamas. C) Biodiversity provides a variety of species that play important roles in maintaining the balance of the ecosystem. D) Biodiversity causes imbalance and disruption in the ecosystem of the Bahamas. Show Answer Correct Answer: C) Biodiversity provides a variety of species that play important roles in maintaining the balance of the ecosystem. 12. What is an environmental service that forests provide? A) Stores carbon, releases oxygen, moderates climate. B) Fuel. C) Transportation. D) Helped society achieve a high standard of living. Show Answer Correct Answer: A) Stores carbon, releases oxygen, moderates climate. 13. A forest is a ..... full of life and vitality. A) Sal. B) Dynamic living entity. C) Rubber. D) Green lung. Show Answer Correct Answer: B) Dynamic living entity. 14. Most of the nutrients in the rainforest ecosystem are in the A) Air. B) Topsoil. C) Groundwater. D) Organisms. Show Answer Correct Answer: D) Organisms. 15. Winters in the taiga are ..... A) Long and cold. B) Cold and snowy. C) Both of these. D) None of these. Show Answer Correct Answer: C) Both of these. 16. Which of the following chacteristic nature will indicate the waste water? A) Dirty look. B) Foul smell. C) Mixed with lather. D) All of these. Show Answer Correct Answer: D) All of these. 17. This port serves a very large and rich hinterland of Ganga-Brahmaputra basin. A) Surrender. B) Chennai. C) Kolkata. D) Haldia. Show Answer Correct Answer: C) Kolkata. 18. Red sandalwood is one of the rare species grownin hills.a. Seshachalamb. Ananthagiric. Niligirid. Nallamalla A) B. B) C. C) D. D) A. Show Answer Correct Answer: D) A. 19. In which type of forest will you find trees with needle-like leaves? A) Tidal forest. B) Deciduous forests. C) Mountain forests. D) Evergreen forests. Show Answer Correct Answer: C) Mountain forests. 20. The pulp and wood of Mountain forests trees are used to make- A) Spices. B) Paper. C) Fabrics. D) Furniture. Show Answer Correct Answer: B) Paper. 21. What is a cultivated forest? A) A forest that grows naturally without human help. B) A forest composed of useful trees planted by people to be used as crops. C) A forest with only wild animals. D) A forest that is never touched by humans. Show Answer Correct Answer: B) A forest composed of useful trees planted by people to be used as crops. 22. The micro-organisms which convertthe dead plants and animals to humusare known as: A) Decomposersers. B) Organisms. C) Humus. D) Saprophs. Show Answer Correct Answer: A) Decomposersers. 23. Evergreen forests are extended in India in A) Kerala. B) Andaman. C) Both A and B. D) None. Show Answer Correct Answer: C) Both A and B. 24. Cloud forests make up what percent of the world's forests? A) 12.5. B) 22.5. C) 2.5. D) 10. Show Answer Correct Answer: C) 2.5. 25. Which of these best describes summer in the taiga? A) Long, cold, and dry. B) Long, cold, and wet. C) Short, warm, and dry. D) Short, warm, and wet. Show Answer Correct Answer: D) Short, warm, and wet. 26. Growing seedlings obtain nutrients from decaying animal heap. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 27. Season of retreating monsoon is also known as ..... A) Summer. B) Autumn. C) Rainy. D) Winter. Show Answer Correct Answer: B) Autumn. 28. Why forests are called lungs? A) Plants release oxygen through the process of photosynthesis. B) The plants help to provide oxygen for animal respiration. C) They also maintain the balance of oxygen and carbon dioxide in the atmosphere. D) ALL OF THE ABOVE. Show Answer Correct Answer: D) ALL OF THE ABOVE. 29. Army ants march in A) Colonies. B) Leaves. C) Swarms. D) Layers. Show Answer Correct Answer: C) Swarms. 30. Which organisms show a mutualistic pollination relationship? A) Hawk moth and baobab tree. B) Chintal and Langur Monkeys. C) Kodkod and pudu. D) Periodical cicadas and oak trees. Show Answer Correct Answer: A) Hawk moth and baobab tree. 31. The following factors influence forests ..... A) Soil and Rainfall. B) Soil and Sunshine. C) Rainfall, Sunshine and Soil. D) None of the above. Show Answer Correct Answer: C) Rainfall, Sunshine and Soil. 32. Which is the lowermost layer of the forest A) Canopy. B) Emergent. C) Shrub Layer. D) Forest Floor. Show Answer Correct Answer: D) Forest Floor. 33. Which Forest? Animals include sloth, howler monkeys, and poison dart frogs A) Tropical Rainforest. B) Temperate Deciduous Forest. C) Coniferous Forest (Taiga). D) None of the above. Show Answer Correct Answer: A) Tropical Rainforest. 34. Where are dead and decaying matter leaves, twigs found? A) Forest floor. B) Canopy. C) In the rivers. D) On the trees. Show Answer Correct Answer: A) Forest floor. 35. Which of these trees grow in Tropical Monsoon Deciduous Forests A) Acacia. B) Teak. C) Peeks. D) Ebony. Show Answer Correct Answer: B) Teak. 36. Trees use waste materials and dead organisms for food. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. What are the efforts related to forest preservation in Malaysia? A) Forest. B) Silviculture. C) Teak forest. D) State Park. Show Answer Correct Answer: D) State Park. 38. Having warm weather all year with 2 seasons, where winter is a long, dry, and slightly cooler season with only 4 inches of rain on average, and summer is a very hot, humid, and wet season with 15 to 25 inches of rain, with monsoon rains beginning in May describes the ..... biome(s). A) Temperate deciduous forests. B) Taiga. C) Savanna (tropical grasslands). D) Temperate grasslands. Show Answer Correct Answer: C) Savanna (tropical grasslands). 39. Experts estimate around ..... million acres of tree-covered land is considered in risk of mortality. A) 96. B) 125. C) 121. D) 81. Show Answer Correct Answer: D) 81. 40. Which stage does 'Deodar' belong to? A) Wet hill forest. B) Snow line. C) Coniferous Forest. D) None-Of-These. Show Answer Correct Answer: C) Coniferous Forest. 41. Forest releases a large amounts of ..... in the environment. A) Carbon dioxide. B) Oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: B) Oxygen. 42. Coyotes, willows, squirrels, and snowshoe hares are all part of a forest ecosystem. Which of the following food chains is possible for this forest? A) Sun-coyote-snowshoe hare-willow. B) Sun-willow-snowshoe hare-coyote. C) Sun-squirrel-snowshoe hare-coyote. D) Sun-willow-snowshoe hare-squirrel. Show Answer Correct Answer: B) Sun-willow-snowshoe hare-coyote. 43. The biogas product is used as a source of ..... A) Rains. B) Energy. C) Oils. D) All of these. Show Answer Correct Answer: B) Energy. 44. The forests in Kerala and Andaman are called ..... forests. A) Evergreen. B) Deciduous. C) Thorny. D) None of the above. Show Answer Correct Answer: A) Evergreen. 45. Forests receive more rain than ..... A) Grasslands. B) Wetlands. C) All the above. D) None of the above. Show Answer Correct Answer: A) Grasslands. 46. The two parts of a scientific name are classified by what areas? A) Species and family. B) Genus and variety. C) Genus and species. D) Family and variety. Show Answer Correct Answer: C) Genus and species. 47. Select the products that forests can produce? A) Oxygen. B) Paper. C) All of the above. D) Fruits. Show Answer Correct Answer: C) All of the above. 48. What is the main adaptation of animals in the taiga to survive the harsh winter conditions? A) Migrate to warmer areas. B) Hibernate. C) Change fur colour. D) Grow wings. Show Answer Correct Answer: B) Hibernate. 49. Which of the following is a method used to study the biodiversity of a forest? A) Carbon dating. B) Quadrat sampling. C) Electrophoresis. D) Radioactive tracing. Show Answer Correct Answer: B) Quadrat sampling. 50. In which season do the leaves & buds start to appear on the trees of the deciduous forest? A) Autumn. B) Winter. C) Spring. D) Summer. Show Answer Correct Answer: C) Spring. 51. What is needed for kelp forest restoration? (25:20) A) More sunlight. B) Bringing back adult kelps from nearby populations. C) Stopping all ocean movements. D) Removing all the fish from the ocean. Show Answer Correct Answer: B) Bringing back adult kelps from nearby populations. 52. Open drain system is a breeding place for which of the following? A) Files. B) Mosquitoes. C) Organisms which cause diseases. D) All of theses. Show Answer Correct Answer: D) All of theses. 53. The temperature in the deciduous forest biome is A) Has cool seasons and warm seasons. B) Cold. C) Always warm. D) Snowy. Show Answer Correct Answer: A) Has cool seasons and warm seasons. 54. Which of these places have the Dry Thorn Forests A) Tamil Nadu. B) Shimla. C) Gujarat. D) Kerala. Show Answer Correct Answer: C) Gujarat. 55. What is the primary role of forests in the carbon cycle? A) They release carbon dioxide into the atmosphere. B) They absorb carbon dioxide during photosynthesis. C) They convert carbon dioxide into methane. D) They have no role in the carbon cycle. Show Answer Correct Answer: B) They absorb carbon dioxide during photosynthesis. 56. Which of the following is an example of the Ramsar site available in Malaysia? A) Kukup Island. B) Ethnobotani Park, Putrajaya. C) Niah National Park, Sarawak. D) Kuala Gandah Elephant Conservation Center. Show Answer Correct Answer: A) Kukup Island. 57. Adaptations are unique traits developed by organisms to help them survive, thrive, and reproduce in their particular environment. Adaptations may be structural or behavioral. Which of the following is an example of a behavioral adaptation? A) The long neck of a giraffe. B) The webbed feet of ducks. C) The shallow roots of cacti. D) The migration of birds. Show Answer Correct Answer: D) The migration of birds. 58. The forests play important role in A) Balancing oxygen and carbon dioxide. B) Water cycle. C) Providing habitat to wild life. D) All of these. Show Answer Correct Answer: D) All of these. 59. Which of the following BEST MATCHES the meaning of the word TEMPERATE. A) Temperatures within moderate limits. B) An area with trees and bushes. C) A forest with plants growing together. D) An area with all the same temperature. Show Answer Correct Answer: A) Temperatures within moderate limits. 60. Which type of forest is found in the Northern islands in the Bahamas? A) Pine. B) Broadleaf. C) Whiteland Coppice. D) Shrub. Show Answer Correct Answer: A) Pine. ← 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