This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 71 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 71 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process where plants use sunlight, water, and carbon dioxide to produce sugar and release oxygen. A) Respiration. B) Photosynthesis. C) Roots. D) Water Cycle. Show Answer Correct Answer: B) Photosynthesis. 2. Ice melts, which puts out more CO2 in the atmosphere, further causing the temperature to rise and cause more ice to melt. This represents a A) Positive feedback loop. B) Negative feedback loop. Show Answer Correct Answer: A) Positive feedback loop. 3. Quantum mechanical model A) Quantum chemistry. B) Laboratory glassware. C) Oxidation-reduction reaction. D) Quantum mechanical model. Show Answer Correct Answer: D) Quantum mechanical model. 4. Panama is a country with a lot of biodiversity because of: A) Panama has a canal. B) Panama has a museum called Biomuseo. C) Panama rose up through volcanic activity. D) None of above. Show Answer Correct Answer: C) Panama rose up through volcanic activity. 5. A tiger is a(n) ....., an organism that gets food by eating other organisms A) Plant. B) Producer. C) Consumer. D) Herbivore. Show Answer Correct Answer: C) Consumer. 6. In addition to producers and consumers, healthy communities must have ....., bacteria and fungi which recycle detritus. A) Autothrops. B) Decomposer. C) Producer. D) Consumer. Show Answer Correct Answer: B) Decomposer. 7. What is formed during primary succession that doesn't need to be formed during secondary succession? A) Pioneer species. B) Soil. C) Climax community. D) Lichens. Show Answer Correct Answer: B) Soil. 8. Is a fern an abiotic or biotic factor? A) Abiotic. B) Biotic. Show Answer Correct Answer: B) Biotic. 9. A dead animal A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 10. 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. 11. The conversion of Nitrites to Nitrates A) Nitrification. B) Denitrification. C) Nitrogen Fixation. D) None of above. Show Answer Correct Answer: A) Nitrification. 12. 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. 13. All Drones are Male? A) Sometimes. B) Yes and no. C) Yes. D) No. Show Answer Correct Answer: C) Yes. 14. 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. 15. The producer includes the following A) Green plants. B) Microorganisms. C) Viruses. D) Herbivorous animals. E) Animals. Show Answer Correct Answer: A) Green plants. 16. 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. 17. Physical location where an organism lives A) Niche. B) Habitat. C) Ecosystem. D) Adaptation. Show Answer Correct Answer: B) Habitat. 18. 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. 19. We need nitrogen to make A) Proteins. B) Enzymes. C) Cells. D) All of these. Show Answer Correct Answer: D) All of these. 20. 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. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books