This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 70 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 70 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Energy conservation means ..... A) Slowing down a chemical change. B) Burning a fuel to release energy. C) Using fossil fuels to produce energy. D) Reducing energy use. Show Answer Correct Answer: D) Reducing energy use. 2. The conversion of Nitrites to Nitrates A) Nitrification. B) Denitrification. C) Nitrogen Fixation. D) None of above. Show Answer Correct Answer: A) Nitrification. 3. What type of invasive control involves the introduction of the Cane Toad to Australia to help fight the cane beetle population? A) Biological Control. B) Mechanical Control. C) Chemical Control. D) Kinetic Control. Show Answer Correct Answer: A) Biological Control. 4. All Drones are Male? A) Sometimes. B) Yes and no. C) Yes. D) No. Show Answer Correct Answer: C) Yes. 5. Which of the following is a characteristic of tropical rain forests? A) Four seasons. B) Few organisms. C) Poor soil. D) Fluctuation in temperature. Show Answer Correct Answer: C) Poor soil. 6. The producer includes the following A) Green plants. B) Microorganisms. C) Viruses. D) Herbivorous animals. E) Animals. Show Answer Correct Answer: A) Green plants. 7. A tapeworm living in a 6th grade students intestines. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: C) Parasitism. 8. Physical location where an organism lives A) Niche. B) Habitat. C) Ecosystem. D) Adaptation. Show Answer Correct Answer: B) Habitat. 9. Choose the right meaning:throw A) To save. B) To throw away. C) Pick. D) None of above. Show Answer Correct Answer: B) To throw away. 10. We need nitrogen to make A) Proteins. B) Enzymes. C) Cells. D) All of these. Show Answer Correct Answer: D) All of these. 11. Which organism have the ability to make energy-rich organic molecules (glucose) from inorganic raw materials available in the environment? A) Heterotrophs. B) Autotrophs. C) Primary consumers. D) Decomposers. Show Answer Correct Answer: B) Autotrophs. 12. Which of these is NOT a Primarily human impact on the environment? A) Deforestation. B) Tourism. C) Poaching. D) Fire. Show Answer Correct Answer: D) Fire. 13. A group of ecosystems with similar climates and organisms A) Biosphere. B) Population. C) Ecosystem. D) Biome. Show Answer Correct Answer: D) Biome. 14. Change the O2 and sugars into CO2, H2O, and ATP A) Mitochondria. B) Chloroplast. C) Omnivore. D) Mitsubishi. Show Answer Correct Answer: A) Mitochondria. 15. In most ecosystems, the original source of energy is the A) Producer. B) Consumer. C) Sun. D) Carbohydrate. Show Answer Correct Answer: C) Sun. 16. Animals in the highest trophic level of a food chain will often be the largest in body size but will be few in numbers. What accounts for the small numbers? A) Food eaten by animals at the highest trophic level has a lower energy content per gram. B) Energy losses through the food chain. C) Conversion of heat energy into chemical energy. D) Biomass of producers is small. Show Answer Correct Answer: B) Energy losses through the food chain. 17. Ethan, Benjamin, and Aiden are on a field trip to a nature reserve. They are asked to identify abiotic factors in their surroundings. What are they looking for? A) All nonliving things in the environment. B) Sunlight. C) Fungi. D) Animals. Show Answer Correct Answer: A) All nonliving things in the environment. 18. The physical and chemical characteristics of the environment A) Biotic factor. B) Abiotic factor. C) Niche. D) Producer. Show Answer Correct Answer: B) Abiotic factor. 19. A type of symbiosis in which one species benefits and the other is harmed or killed ..... A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: C) Parasitism. 20. What type of symbiotic relationship occurs when one organism benefits and the other is unaffected? A) Communism. B) Mutualism. C) Parasitism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books