This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 15 Our Environment – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 15 Our Environment Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Components that forms ecosystem are A) All biotic. B) All abiotic. C) Both. D) None. Show Answer Correct Answer: C) Both. 2. Why do we need to manage the garbage we producei)To improve the health and quality of life ii)For preventing environmental pollution iii) To produce more biodegradable plasticsiv) To reduce the strain on natural resources A) I and iv. B) Iii and ii. C) I, ii and iii. D) I, ii and iv. Show Answer Correct Answer: D) I, ii and iv. 3. Organisms which is present in the first tropic level A) Carnivores. B) Consumers. C) Producers. D) None of the above. Show Answer Correct Answer: C) Producers. 4. The ozone layer protects against radiation. Radiation can lead to which of the following: A) Decreasing Earth's temperature. B) Reducing risk of cancer. C) Limiting the amount of CO2 in the air. D) Causing mutations in DNA. Show Answer Correct Answer: D) Causing mutations in DNA. 5. Gases that stop heat from escaping into space are called ..... gases. A) Green. B) Zero-emission. C) Greenhouse. D) Greenfield. Show Answer Correct Answer: C) Greenhouse. 6. Everything around us, our surroundings. A) Environment. B) Ecosystem. C) Community. D) Habitat. Show Answer Correct Answer: A) Environment. 7. What do we need to survive and grow A) Air. B) Water. C) Sun light. D) All of these. Show Answer Correct Answer: D) All of these. 8. In the environment materials causing biomagnification A) Get recycled quickly. B) Decompose only in soil. C) Remain as permanent residues. D) Are stored in less amount in trophic levels. Show Answer Correct Answer: C) Remain as permanent residues. 9. In December 3, 1984 a vapour containing highly toxic cloud of methyl isocyanate (used in the production of insecticide carbaryl) burst from tall stacks of the union carbide pesticide plant and results in severe destruction. The incident took place in: A) Bhuj. B) Hiroshima. C) Bhopal. D) London. Show Answer Correct Answer: C) Bhopal. 10. What destroys an ecosystem the most? A) Humans. B) Animals. C) Birds. D) Insects. Show Answer Correct Answer: A) Humans. 11. Any substance or energy which is released in the environment and harms it causes ..... A) Pollution. B) Resource. C) Waste. D) Energy. Show Answer Correct Answer: A) Pollution. 12. What creates pollution? A) Water. B) Sunlight. C) Human activities. D) None of the above. Show Answer Correct Answer: C) Human activities. 13. Why is an invasive species likely to survive in a new environment? A) A lack of predators. B) An abundance of predators. C) A lack of food. D) A lack of space. Show Answer Correct Answer: A) A lack of predators. 14. Which of the following does NOT cause water pollution? A) Oil spills. B) Garbage. C) Fertilizers from farms. D) Smoke. Show Answer Correct Answer: D) Smoke. 15. Waste from our homes and factories are dumped into rivers, lakes, and seas, causing ..... A) Air pollution. B) Water pollution. C) Land pollution. D) Waste. Show Answer Correct Answer: B) Water pollution. 16. Which of the following are non-biodegradable: A) Plastic bottle. B) Aluminum cans. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 17. Maximum amount of non-biodegradable pollutant is A) T$_{1}$. B) T$_{2}$. C) T$_{3}$. D) T$_{4}$. Show Answer Correct Answer: D) T$_{4}$. 18. "Ensuring availability of water for future generations" is a A) Goal of water conservation. B) Strategy of water conservation. C) Key activity of water conservation. D) Ineffective water conservation instrument. Show Answer Correct Answer: A) Goal of water conservation. 19. The process in which waste is carefully sorted and disposed off in the right way is known as ..... A) Reduce, Reuse and Recycle. B) Waste Management. C) Waste Collection. D) Garbage Generation. Show Answer Correct Answer: B) Waste Management. 20. Which of the following helps us in the garbage management: A) Reduce, reuse, recycle. B) Landfilling. C) Vermicomposting. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. Human-made materials like ..... will not be broken down by the action of bacteria or other saprophytes. A) Vitamins. B) Fats. C) Carbohydrates. D) Plastics. Show Answer Correct Answer: D) Plastics. 22. Which trophic level comprises of producers? A) First Trophic level. B) Second Trophic level. C) Third Trophic level. D) Forth Trophic level. Show Answer Correct Answer: A) First Trophic level. 23. How does air pollution effect people? A) It can cause people to have difficulty breathing. B) It can make sick people even sicker. C) Sometimes, air pollution can cause cancer. D) All of the above. Show Answer Correct Answer: D) All of the above. 24. The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as ..... A) Biotoxicity. B) Biomagnification. C) Eutrophication. D) Predation. Show Answer Correct Answer: B) Biomagnification. 25. Calculate the amount of energy available to snake in the given food chain if there is 6500 J of energy available to grass hopper.Grass ..... > grass hopper ..... > frog ..... > snake A) 6500 J. B) 650 J. C) 65 J. D) 6.5 J. Show Answer Correct Answer: C) 65 J. ← 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 6Class 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books