This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 15 Our Environment – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 15 Our Environment Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is not a renewable source of energy? A) Sun energy. B) Nuclear Energy. C) Wind Energy. D) All are renewable sources. Show Answer Correct Answer: B) Nuclear Energy. 2. What is the cause of acid rain? A) Combustion. B) Deforestation. C) Water run off. D) Bio-magnification. Show Answer Correct Answer: A) Combustion. 3. A process in which mixed garbage is burned at very high temperatures is: A) Recovery. B) Incineration. C) Leachate. D) Source reduction. Show Answer Correct Answer: B) Incineration. 4. Which of the following helps in material cycling in an ecosystem? A) Green Plants and Bacteria. B) Bacteria and fungi. C) Bacteria and animals. D) Fungi and animals. Show Answer Correct Answer: B) Bacteria and fungi. 5. In a biosphere, which of the following is the ultimate source of energy A) Carbon. B) Water. C) Sunlight. D) Nitrogen. Show Answer Correct Answer: C) Sunlight. 6. Energy efficient vehicles and appliances use ..... A) Less energy. B) More energy. C) Much energy. D) No energy. Show Answer Correct Answer: A) Less energy. 7. What is Biodiversity? A) Sum total of all the similar species found in an ecosystem. B) Total of differences in the same species in an ecosystem. C) The variety of different organ systems within multicellular organisms. D) Sum total of all the different species found in an ecosystem. Show Answer Correct Answer: D) Sum total of all the different species found in an ecosystem. 8. What is the solid crust of the Earth is called? A) Biosphere. B) Lithosphere. C) Atmosphere. D) Hydrosphere. Show Answer Correct Answer: B) Lithosphere. 9. Global warming will cause an increase of ..... A) Heat Waves. B) Hurricanes. C) Floods. D) All of them are true. Show Answer Correct Answer: D) All of them are true. 10. The formula of ozone is A) O2. B) O4. C) O. D) Be. Show Answer Correct Answer: D) Be. 11. The physical environment comprises of ..... components A) Biotic. B) Abiotic. C) Ecological. D) Hydrosphere. Show Answer Correct Answer: A) Biotic. 12. Which level of the food chain is most affected by biomagnifications? A) Producers. B) Primary consumers. C) Secondary consumers. D) Tertiary consumers. Show Answer Correct Answer: D) Tertiary consumers. 13. Environment consist of the ..... that surrounds any living organism. A) Place. B) People. C) Things. D) Living and non living things. Show Answer Correct Answer: D) Living and non living things. 14. You can ..... plastic bags again and again until they get holes in them. A) Reduce. B) Reuse. C) Resume. D) Rewaste. Show Answer Correct Answer: B) Reuse. 15. What is the life supporting system among the following? A) Transportation. B) Music system. C) Environment. D) None of the above. Show Answer Correct Answer: C) Environment. 16. Which one of the following pairs belong to the category of primary consumers? A) Eagle and snake. B) Grasshoppers & cattle. C) Snake and frog. D) Water beetles & fish. Show Answer Correct Answer: B) Grasshoppers & cattle. 17. How many types of tropic level are present in a food chain A) 1. B) 2. C) 4. D) 6. Show Answer Correct Answer: C) 4. 18. Which one of the following is an artificial ecosystem? A) Lake. B) Pond. C) Forest. D) Crop field. Show Answer Correct Answer: D) Crop field. 19. The place in which a plant, animal, bird or fish normally lives is its ..... A) Food chain. B) Habitat. C) Eco-community. D) Eco-friendly. Show Answer Correct Answer: B) Habitat. 20. The atmosphere: A) Becomes thicker with increasing altitude. B) Becomes thinner with increasing altitude. C) Remains the same with increasing altitude. D) None of the above. Show Answer Correct Answer: B) Becomes thinner with increasing altitude. 21. The fertility level of any soil is generally determined by A) Humus Content. B) Aeration. C) Mineral Level. D) All of these. Show Answer Correct Answer: D) All of these. 22. What is a non-biodegradable substance? A) Substances that are recyclable. B) Substances that can be decomposed easily. C) Substances that are not recyclable. D) Substances that cannot be decomposed easily. Show Answer Correct Answer: D) Substances that cannot be decomposed easily. 23. What is the greenhouse effect? A) Life on Earth 'exhales' gas that warms up the atmosphere. B) Certain gases in the atmosphere trap heat and warm the Earth. C) The tilt of the Earth changes the amount of solar energy the Earth receives. D) The Sun is putting out more radiant energy over time. Show Answer Correct Answer: B) Certain gases in the atmosphere trap heat and warm the Earth. 24. A detritus food chain begins with ..... A) Carnivores. B) Herbivores. C) Omnivores. D) Decomposersers. Show Answer Correct Answer: D) Decomposersers. 25. What is Biomagnification? A) The growth of an organism over time. B) The increase in concentration of harmful chemicals in organisms at higher levels in the food web. C) The increase in population of a species over time. D) The increased significance of a species roll in an ecosystem. Show Answer Correct Answer: B) The increase in concentration of harmful chemicals in organisms at higher levels in the food web. ← 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 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 10Class 10 Science Chapter 15 Our Environment Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books