This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Forests Our Lifeline > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 22 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT a threat to the Taiga biome? A) Deforestation. B) Climate change. C) Mining and oil exploration. D) Controlled burns to manage vegetation. Show Answer Correct Answer: D) Controlled burns to manage vegetation. 2. What kind animals live in the forest? A) Carnivores. B) Herbivores. C) Both Carnivores and Herbivores. D) Vegans. Show Answer Correct Answer: C) Both Carnivores and Herbivores. 3. There are a wider variety of plants an animals in ..... forests. A) Tropical. B) Taiga. C) Temperate. D) Tundra. Show Answer Correct Answer: A) Tropical. 4. Which animal uses abominal tymbals to create loud sounds that attract mates? A) Cydated periodical. B) Hawk moths. C) Lynx. D) Read. Show Answer Correct Answer: A) Cydated periodical. 5. ..... was the first port developed after independence A) Kochi. B) Excit. C) Mumbai. D) Marmaagoa. Show Answer Correct Answer: B) Excit. 6. The temperature of tropical forests ranges from ..... to ..... degrees A) 40-44. B) 4-6. C) 18-19. D) 20-34. Show Answer Correct Answer: D) 20-34. 7. What percentage of Earth's oxygen is produced by rainforests? A) 10%. B) 70%. C) 50%. D) 20%. Show Answer Correct Answer: D) 20%. 8. Nearly how many hectares of tropical rainforest are we losing every year? A) 15 million. B) There is no rainforest left. C) We are not losing any rainforest. D) 15 billion. Show Answer Correct Answer: A) 15 million. 9. ..... forests are also called deciduous forests. A) Taiga. B) Tundra. C) Temperate. D) Tropical. Show Answer Correct Answer: C) Temperate. 10. What is an old-growth forest? A) Planted stands of a particular tree species. B) A stand of trees resulting from natural secondary succession. C) Uncut or regenerated forest that has not been seriously disturbed for severalhundred years. D) I don't know. Show Answer Correct Answer: C) Uncut or regenerated forest that has not been seriously disturbed for severalhundred years. 11. CHIPKO MOVEMENT STARTED IN A) 1987. B) 1976. C) 1970. D) 1979. Show Answer Correct Answer: C) 1970. 12. Extra tall trees that stick out above the canopy, home to special animals. A) Canopy Layer. B) Understory Layer. C) Microhabitats. D) Emergent Layer. Show Answer Correct Answer: D) Emergent Layer. 13. Which of the following make(s) up the layers of dirt on the forest floor? A) Leaf litter. B) Moldy leaves. C) Humus. D) All of these. Show Answer Correct Answer: D) All of these. 14. Write true or false:Monsoon forests are Deciduous Forest? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Which rain forest animal is the slowest mammal of all? A) Sloth. B) Bird. C) Jaguar. D) Monkey. Show Answer Correct Answer: A) Sloth. 16. Sunderbans got its name from A) Bamboo tree. B) Khair tree. C) Beautician tree. D) None of the above. Show Answer Correct Answer: C) Beautician tree. 17. Where can we find coniferous forest in India? A) Deserts. B) River Deltas. C) Grassland. D) Himalayas. Show Answer Correct Answer: D) Himalayas. 18. What are these? Mandavi, Zuari and Cumberjua, Sunderbans, Barak, backwaters of Kerala and tidal stretches A) Rivers. B) Canals. C) National waterways. D) Inland waterways. Show Answer Correct Answer: D) Inland waterways. 19. What is afforestation A) Planting trees. B) Cutting trees. C) Buying trees. D) All of the above. Show Answer Correct Answer: A) Planting trees. 20. Deciduous Forests trees A) Shed their leaves to prevent loss of water during warm weather. B) Do not shed their leaves. C) Grow more leaves to prevent loss of water. D) None of the above. Show Answer Correct Answer: A) Shed their leaves to prevent loss of water during warm weather. 21. Temperate deciduous forest are located between which two areas: A) The tropics and the cold land around the poles. B) The equator and North America. C) Antarctic and Africa. D) Near the equator. Show Answer Correct Answer: A) The tropics and the cold land around the poles. 22. Temperate deciduous forests have ..... well-defined seasons. A) Four. B) Two. C) Five. D) Three. Show Answer Correct Answer: A) Four. 23. Which is known as 'green lungs' of the forest? A) Rivers. B) Decomposersers. C) Animals. D) Plants. Show Answer Correct Answer: D) Plants. 24. The trees like Babul, Bulusu, Regu, Seetaphal are grown in A) Thorny forests. B) Evergreen forests. C) Littoral forests. D) Deciduous forests. Show Answer Correct Answer: A) Thorny forests. 25. What is a mill used for in the logging process? A) To turn trees into lumber. B) To plant new trees. C) To protect trees from pests. D) To measure tree height. Show Answer Correct Answer: A) To turn trees into lumber. 26. THE INDIAN RAILWAY IS NOW REORGANISED INTO HOW MANY NUMBER OF ZONES? A) 12. B) 20. C) 10. D) 16. Show Answer Correct Answer: D) 16. 27. The forest which protects certain species of flora and fauna is?a. Reserved forestb. Protected forestc. Classified forestd. Unclassified forest A) B. B) D. C) C. D) A. Show Answer Correct Answer: A) B. 28. How does the presence of trees affect the water cycle? A) It speeds up evaporation. B) It increases rainfall. C) It slows down evaporation. D) It decreases rainfall. Show Answer Correct Answer: C) It slows down evaporation. 29. Which of the following states have a concentration of tribes? A) Madhya pradesh. B) Chhattisgarh. C) Jharkhand. D) All of the above. Show Answer Correct Answer: D) All of the above. 30. Which big cat lives in the rain forest? A) Jaguar. B) Tiger. C) Lion. D) Mountain lion. Show Answer Correct Answer: A) Jaguar. 31. Where is fern found? (Question from the book) A) In your back yard. B) Tropical forest. C) Skibidibapbap. D) Temperate forest. Show Answer Correct Answer: B) Tropical forest. 32. What can be inferred about the paragraph that first talks about the government's multi-million dollar plan to make Western forests more resilient? A) Blodgett Forest Research Station has a solution for global warming. B) For nine decades, forest fires have become steadily worse. C) Some people get very upset with the idea that foresters see fit to thin the forests. D) An answer to the causes forest fires has been out of reach until now. Show Answer Correct Answer: C) Some people get very upset with the idea that foresters see fit to thin the forests. 33. The evergreen trees grow so close that form a broad ..... at the ..... and they do not allow ..... to touch the ground A) Canopy, top sunlight. B) Braches middle, sunlight. C) Canopy top, air,. D) Canopy bottom, soil. Show Answer Correct Answer: A) Canopy, top sunlight. 34. The climate in the eastern half of the United States is considered to be ..... A) Temperate (mild). B) Arctic. C) Sub-arctic. D) Tropical. Show Answer Correct Answer: A) Temperate (mild). 35. Which of the following best describes an invasive species? A) Non-native species introduced to an area ultimately harming the ecosystem or human health. B) Native plants or animals which grow at an exceptionally fast rate. C) Native plants which take up large areas of space and do not allow for other species to spread. D) Native or non-native species found in nearly every terrestrial area. Show Answer Correct Answer: A) Non-native species introduced to an area ultimately harming the ecosystem or human health. 36. An area with a large population of valuable ocean organisms is called a(n) A) Fishery. B) Aquaculture. C) Spawning zone. D) Ecosystem. Show Answer Correct Answer: A) Fishery. 37. There are many types of forests A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 38. Which statement best compares forest ecosystems to grassland ecosystems? A) Forest ecosystems have higher average temperatures than grassland ecosystems. B) Forest ecosystems receive more precipitation than grassland ecosystems. C) Grassland ecosystems receive more precipitation than forest ecosystems. D) None of the above. Show Answer Correct Answer: B) Forest ecosystems receive more precipitation than grassland ecosystems. 39. Which of the following biomes has extreme temperature changes? A) The temperate deciduous forest. B) The arctic. C) The rainforest. D) The taiga. Show Answer Correct Answer: D) The taiga. 40. Humus is of which colour: A) Reddish-green. B) Brownish-blackish. C) Greenish-blueish. D) Bluish-grey. Show Answer Correct Answer: B) Brownish-blackish. 41. Coniferous trees grow in tropical forests. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 42. What is the main advantage of creating synthetic versions of substances found in rain forests? A) They are more effective than natural substances. B) They can be produced in large amounts without needing to travel to rain forests. C) They are completely different at the atomic level from natural substances. D) They allow scientists to understand the rain forests better. Show Answer Correct Answer: B) They can be produced in large amounts without needing to travel to rain forests. 43. Construction of railways tracks in India created a huge demand for A) Elephants. B) Iron. C) Timber. D) Bamboo. Show Answer Correct Answer: C) Timber. 44. Guess who am I? I am found in the deltas along the coast. A) Thorn Forests. B) Tidal Forests. C) Deciduous Forests. D) None of the above. Show Answer Correct Answer: B) Tidal Forests. 45. Which can kill pine trees in the black hills? A) Mountain Pine Beetle. B) Lightening. C) Fire. D) All of the options can kill pine trees. Show Answer Correct Answer: D) All of the options can kill pine trees. 46. Which of the following is related to forest resources? A) I dan ii. B) I dan iv. C) II and III. D) Eii than ehi. Show Answer Correct Answer: C) II and III. 47. In which reason commercial agriculture and dairing are practiced in large farms using modern methods and mechines A) Taiga. B) Steppe. C) Mediterranean. D) Tundra. Show Answer Correct Answer: C) Mediterranean. 48. Which forests are found in Sunderbans A) Mangrove. B) Monsoon. C) Deciduous. D) None of the above. Show Answer Correct Answer: A) Mangrove. 49. Animals that hibernate will eat heavily right before winter because it helps them ..... A) Store energy. B) Grow thick fur coats. C) Survive during the winter. D) All of the above. Show Answer Correct Answer: D) All of the above. 50. Write the answer to this question on your paper. Then choose option 1, "Yes, I answered this question on my paper."What adaptations help coniferous trees survive the cold, winter weather? A) Yes, I answered this question on my paper. B) No, I did not answer this question on my paper. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes, I answered this question on my paper. 51. Images that can't be captured on a screen are called A) Proper image. B) Imaginary image. C) Real image. D) Virtual image. Show Answer Correct Answer: D) Virtual image. 52. Which layer of the forest is most responsible for photosynthesis? A) Understory. B) Forest floor. C) Canopy. D) Emergent layer. Show Answer Correct Answer: C) Canopy. 53. Which are the fastest growing plants? A) Mango tree. B) Bamboo. C) Sugarcane. D) Rose plant. Show Answer Correct Answer: B) Bamboo. 54. Which statement is false regarding equatorial region A) It is between 5 degree and 10 degrees Northern South latitudes. B) This Jor accidents from 10$^\circ$ to 20$^\circ$ and latitude s. C) This zone with the dance forest girls salvas. D) This reason gets heavy precipitation on an average 150 cm per year. Show Answer Correct Answer: B) This Jor accidents from 10$^\circ$ to 20$^\circ$ and latitude s. 55. Who is pathfinder? A) To GPS. B) A map. C) A robot. D) A zipline. Show Answer Correct Answer: C) A robot. 56. How do forests help in maintaining the water cycle? A) By absorbing rainwater and releasing it slowly. B) By preventing rainfall. C) By increasing soil salinity. D) By blocking river flow. Show Answer Correct Answer: A) By absorbing rainwater and releasing it slowly. 57. Which of the following best describes the tone of 'My First Lifeline'? A) Nostalgic. B) Optimistic. C) Pessimistic. D) Humorous. Show Answer Correct Answer: A) Nostalgic. 58. 4 What can the reader conclude? A) F People are planting more trees. B) H Trees are growing out of control. C) J Forests help stabilize the environment. D) G You can create water from the trees. E) K It's important to protect trees. Show Answer Correct Answer: C) J Forests help stabilize the environment. 59. What type of living things eat the organic matter in the sewage? A) Plants. B) Fungi. C) Animals. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 60. ..... forests are found in the Northern Hemisphere. They have cold winters and warm summers. A) Temperate. B) Tundra. C) Tropical. D) Taiga. Show Answer Correct Answer: A) Temperate. ← 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