This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 12 Forests Our Lifeline – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 12 Forests Our Lifeline Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the weather like in the tropical rainforest? A) Hot in the summer and cold in the winter. B) Hot during the day but freezing cold at night. C) Hot and humid all year round. D) Four distinct seasons (hot=summer, cold=winter, cool=fall, warm=spring). Show Answer Correct Answer: C) Hot and humid all year round. 2. Which of the following layers of a forest is directly above the understory? A) Emergent Layer. B) Canopy. C) Forest Floor. D) Shrub Layer. Show Answer Correct Answer: B) Canopy. 3. Green Plants and Algae are A) Autotrophs. B) Heterotrophs. C) None of these. D) None of the above. Show Answer Correct Answer: A) Autotrophs. 4. Do the leaves of the Deciduous trees fall off during summer? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 5. Ocean animals that spiny skin and tube feet, including sea stars, sea cucumbers, and sea urchins A) Marine Chordata. B) Marine Echinoderm. C) Marine Arthropod. D) Keystone Species. Show Answer Correct Answer: B) Marine Echinoderm. 6. Among the tallest trees in the world are the conifer trees that live near the tops of mountains. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. What are the four layers of a tropical rain forest? A) Top, bottom, middle. B) Emergent, canopy, understory, and forest floor. C) Up super high, high, middle, low. D) None of the above. Show Answer Correct Answer: B) Emergent, canopy, understory, and forest floor. 8. This biome contains American black bear, raccoon, porcupine, frog, and white tailed deer A) Temperate deciduous forest. B) Chaparral. C) Taiga. D) Desert. Show Answer Correct Answer: A) Temperate deciduous forest. 9. Gir forest in ..... is the home of lions. A) Punjab. B) Gujarat. C) Rajasthan. D) Delhi. Show Answer Correct Answer: B) Gujarat. 10. The various components of the forest are interdependent on one another A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Where are the tallest trees in the world located? A) Brazil. B) California. C) Canada. D) Russia. Show Answer Correct Answer: B) California. 12. How are tropical and temperate rain forests ALIKE? A) Layers. B) Same seasons. C) Warm and cool. D) None of the above. Show Answer Correct Answer: A) Layers. 13. What decomposes the sludge ..... A) Anaerobic Bacteria. B) Aerobic Battery. C) Both of the above. D) None of these. Show Answer Correct Answer: A) Anaerobic Bacteria. 14. A tree must be: A) Annual, have a self supporting trunk, and be over 6m tall. B) Perennial, self supporting trunk, and a woody trunk. C) Bi annual, woody trunk, at least 6m tall. D) Perennial, self supporting trunk, be made of leafy material. Show Answer Correct Answer: B) Perennial, self supporting trunk, and a woody trunk. 15. Why is the presence of insects in the rain forest ecosystem important? A) Insects create energy needed by other animals. B) Insects store water needed by other animals. C) Insects are a source of food for many organisms living in this ecosystem. D) None of the above. Show Answer Correct Answer: C) Insects are a source of food for many organisms living in this ecosystem. 16. Where can you find a forest? A) All over the world. B) In Africa. C) In my backyard. D) At school. Show Answer Correct Answer: A) All over the world. 17. There are ..... types of forests in India. A) Three. B) Five. C) Four. D) Seven. Show Answer Correct Answer: B) Five. 18. What is one of the main benefits of redwoods in supporting a rich ecosystem? A) Providing shelter for many animals. B) Being the tallest trees in the world. C) Having a unique bark texture. D) Growing in tropical rainforestsTagsMain ideas and supporting details. Show Answer Correct Answer: A) Providing shelter for many animals. 19. ..... a community of interacting organisms and their environment. The size can be anywhere from the insects living under a rock to the entire ocean! A) Biotic Facts. B) Ecosystem. C) Abiotic Factors. D) Deforestation. Show Answer Correct Answer: B) Ecosystem. 20. How do natural forests reproduce? A) Artificially. B) Naturally. C) Through machines. D) By human planting. Show Answer Correct Answer: B) Naturally. 21. What is a major threat to kelp forests? (7:03) A) Increased sunlight. B) Overfishing in the ocean. C) Human-related stresses and environmental conditions. D) Too much freshwater. Show Answer Correct Answer: C) Human-related stresses and environmental conditions. 22. Which of the product is not obtained from a forest? A) Honey. B) Catechu. C) Gum. D) Ginger. Show Answer Correct Answer: D) Ginger. 23. ..... plants can survive without water for long durations. A) Mangrove. B) Deciduous. C) Montane. D) Thorny. Show Answer Correct Answer: D) Thorny. 24. What is a recent development in the way humans interact with substances found in nature? A) Humans have stopped using natural substances. B) Humans have begun experimenting with making substances we can't find in nature. C) Humans have started arranging atoms and molecules in the lab for the first time. D) Humans have discovered plastic in the rain forests. Show Answer Correct Answer: B) Humans have begun experimenting with making substances we can't find in nature. 25. Consevation of forest A) Paper products should be recycled. B) Wood as a fuel should be discourage. C) Construction of dams. D) Both A and B. Show Answer Correct Answer: D) Both A and B. ← PreviousNext →Related 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 8Class 7 Science Chapter 12 Forests Our Lifeline Quiz 9Class 7 Science Chapter 12 Forests Our Lifeline Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books