This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 33 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is an example of an abiotic factor? A) Grass. B) Trees. C) Rain. D) Birds. Show Answer Correct Answer: C) Rain. 2. Which of these methods consumes the least water? A) Dishwasher. B) Hand washing. C) Shower. D) All consume the same amount of water. Show Answer Correct Answer: C) Shower. 3. The ozone layer is thinning because of which man-made chemical? A) Chlorofluorocarbons. B) Nitrogen oxides. C) Carbon dioxide, methane, water vapor. D) DDT and Mercury. E) Ethanol. Show Answer Correct Answer: A) Chlorofluorocarbons. 4. Energy stored in inorganic molecules is used to produce carbohydrates A) Chemosynthesis. B) Biomass. C) Consumer. D) Decoposer. Show Answer Correct Answer: A) Chemosynthesis. 5. Karen is studying an area that has many trees and goes through all four seasons. The trees lose their leaves as the seasons progress. Which biome is she studying? A) Deciduous forest. B) Grassland. C) Desert. D) Tropical rain forest . Show Answer Correct Answer: A) Deciduous forest. 6. What two processes are involved in the carbon cycle? A) Combustion and Photosynthesis. B) TranspirationCondensation. C) Cellular RespirationPhotosynthesis. D) TranspirationCellular Respiration. Show Answer Correct Answer: C) Cellular RespirationPhotosynthesis. 7. What do the arrows in a food web represent? A) Equals. B) It points towards the organism that is being eaten. C) Yield or makes. D) It points towards the organism that is receiving energy from what it has eaten. Show Answer Correct Answer: D) It points towards the organism that is receiving energy from what it has eaten. 8. What do the arrows on a food web show? A) Direction of Movement. B) Flow of Energy. C) Organization. D) Consumers. Show Answer Correct Answer: B) Flow of Energy. 9. What group of organisms is primarily responsible for the processes that occur in the nitrogen cycle? A) Autotrophs. B) Heterotrophs. C) Bacteria. D) Detritivores. Show Answer Correct Answer: C) Bacteria. 10. Largest number of individuals of a population that the environment can support ..... A) Carrying capacity. B) Population crash. C) Lag phase. D) Mutualism. Show Answer Correct Answer: A) Carrying capacity. 11. Liquid water turns into gas and rises into the sky in ..... A) Precipitation. B) Condensation. C) Evaporation. D) None of above. Show Answer Correct Answer: C) Evaporation. 12. In which area would the rate of evaporation be the lowest? A) Over the ocean. B) Over the mountains. C) Over the rainforest. D) Over the desert. Show Answer Correct Answer: D) Over the desert. 13. Through what process do producers make their own food? A) Parthenogenesis. B) Photosynthesis. C) Meiosis. D) Mitosis. Show Answer Correct Answer: B) Photosynthesis. 14. On Earth, what process generates most of the water vapor? A) Condensation. B) Evaporation. C) Precipitation. D) Transpiration. Show Answer Correct Answer: B) Evaporation. 15. Deforestation is good for the world. A) True. B) False. Show Answer Correct Answer: B) False. 16. Is there a difference between weather, climate, and temperature? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 17. Where do decomposers go in your food chain? A) At the beginning. B) They don't belong in a food chain. C) At the end. D) At every level. Show Answer Correct Answer: D) At every level. 18. The lower the biodiversity the ..... the sustainability. A) Lower. B) Higher. Show Answer Correct Answer: A) Lower. 19. What is an ecological community? A) All areas of Earth that support life. B) All populations that live in an area. C) All of the biotic and abiotic factors in an area. D) One species. Show Answer Correct Answer: B) All populations that live in an area. 20. A group of organism that have similar traits and can reproduce A) Species. B) Extinction. Show Answer Correct Answer: A) Species. ← 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