This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 15 Our Environment – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 15 Our Environment Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An artificial ecosystem is A) Pond. B) Forest. C) Desert. D) Crop field. Show Answer Correct Answer: D) Crop field. 2. SMOG is derived from? A) Smoke. B) Fog. C) Both A and B. D) None of the above. Show Answer Correct Answer: C) Both A and B. 3. Which is human made environment? A) Mountain. B) Road. C) Sea. D) None of the above. Show Answer Correct Answer: B) Road. 4. The transfer of energy in a food chain is always: A) Unidirectional. B) Methane. C) Bi-directional. D) Random. Show Answer Correct Answer: A) Unidirectional. 5. Being able to use resources from the environment without causing harm. A) Sustainable. B) Conservation. C) Pollution. D) Depletion. Show Answer Correct Answer: A) Sustainable. 6. Non biodegradable wastes can be managed by practicing techniques like A) Reduce Reuse Reabsorb. B) Reduce reuse recycle. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reduce reuse recycle. 7. The first conference on Ozone layer was held in: A) 1987. B) 1992. C) 1989. D) 2000. Show Answer Correct Answer: A) 1987. 8. Order of energy flow in ecosystem is: A) Sunlight $\rightarrow$herbivores $\rightarrow$producers $\rightarrow$carnivores. B) Sunlight $\rightarrow$ producers $\rightarrow$ carnivores $\rightarrow$ herbivores. C) Sunlight $\rightarrow$ herbivores $\rightarrow$ carnivores $\rightarrow$ producers. D) Sunlight $\rightarrow$ producers $\rightarrow$herbivores $\rightarrow$ carnivores. Show Answer Correct Answer: D) Sunlight $\rightarrow$ producers $\rightarrow$herbivores $\rightarrow$ carnivores. 9. Environment is damaged by use of paper bag. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. What is an example of a biotic factor? A) Skunk. B) Rocks. C) Soil. D) Water. Show Answer Correct Answer: A) Skunk. 11. Ozone layer protects us from harmful ultra-violet radiations of the sun. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. Which of the following is not a functional component of an ecosystem? A) Communities. B) Decomposersers. C) Sunlight. D) Energy flow. Show Answer Correct Answer: D) Energy flow. 13. Which of the following is an abiotic components A) Animals. B) Plants. C) Microorganisms. D) Soil. Show Answer Correct Answer: D) Soil. 14. Among the following which is a biodegradable waste only? A) Wood, plastic bottle, rubber. B) Soap, detergent, paper. C) Vegetable peels, paper, leaves. D) Peas, kitchen foil, soap. Show Answer Correct Answer: C) Vegetable peels, paper, leaves. 15. The water solution of SO$_{2}$ is A) Sulphurous acid. B) Sulphuric acid. C) Pyrosulphuric acid. D) None of these. Show Answer Correct Answer: A) Sulphurous acid. 16. What is one thing humans can do to positively impact the environment? A) They can throw their trash away anywhere. B) They can recycle items if possible. C) They can empty their drinks into rivers and other water sources. D) They can work in factories that produce a lot of smoke. Show Answer Correct Answer: B) They can recycle items if possible. 17. Each step of a food chain is called as A) Trophic level. B) Food web. C) Eutrophication. D) Biological magnification. Show Answer Correct Answer: A) Trophic level. 18. Water pollution has become a major problem in the world today. It has an adverse affect on both the environment and health. What are the main sources of water pollution in India? A) Municipal sewage. B) Bathing. C) Industrial discharge. D) Both a and c. Show Answer Correct Answer: D) Both a and c. 19. What is the functional unit of environment A) Grass. B) Biome. C) Environment. D) None of the above. Show Answer Correct Answer: C) Environment. 20. The natural environment consists of ..... A) Activities among human beings. B) Plants and animals that surround the human beings. C) Creations among human beings. D) Interactions among human beings. Show Answer Correct Answer: B) Plants and animals that surround the human beings. 21. Edaphic factors include ..... A) Abiotic components. B) Biotic components. C) Producers. D) Consumers. Show Answer Correct Answer: A) Abiotic components. 22. In a food chain the second trophic level is occupied by: A) Producers. B) Herbivores. C) Carnivores. D) Human beings. Show Answer Correct Answer: B) Herbivores. 23. What does a food chain always start with? A) The herbivore. B) The carnivore. C) The producer. D) The consumer. Show Answer Correct Answer: C) The producer. 24. Sulphur dioxide affects A) Haemoglobin of blood. B) Arteries. C) Alveoli of lungs. D) Nerves. Show Answer Correct Answer: C) Alveoli of lungs. 25. As human beings occupy the top level in any food chain, the maximum concentration of these chemicals get accumulated in our bodies. This phenomenon is known as A) Biological magnification. B) Biological accumulation. C) Chemical magnification. D) Chemical accumulation. Show Answer Correct Answer: A) Biological magnification. ← PreviousNext →Related QuizzesClass 10 Science Chapter 15 Our Environment Quiz 1Class 10 Science Chapter 15 Our Environment Quiz 2Class 10 Science Chapter 15 Our Environment Quiz 3Class 10 Science Chapter 15 Our Environment Quiz 4Class 10 Science Chapter 15 Our Environment Quiz 5Class 10 Science Chapter 15 Our Environment Quiz 7Class 10 Science Chapter 15 Our Environment Quiz 8Class 10 Science Chapter 15 Our Environment Quiz 9Class 10 Science Chapter 15 Our Environment Quiz 10Class 10 Science Chapter 15 Our Environment Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books