This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 163 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 163 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The following are part of the carbon cycle EXCEPT ..... A) Respiration. B) Precipitation. C) Decomposition. D) Photosynthesis. Show Answer Correct Answer: B) Precipitation. 2. Incomplete combustion is combustion A) (CO) does not produce carbon monoxide. B) .It was turned off in the middle of the process. C) In conditions where there is an excess of oxygen. D) In conditions where there is a lack of oxygen. Show Answer Correct Answer: D) In conditions where there is a lack of oxygen. 3. How many species are found in a population? A) One. B) Five. C) Ten. D) No Limit. Show Answer Correct Answer: A) One. 4. What percentage of energy is passed on to each tropic level? A) 10%. B) 50%. C) 90%. D) 100%. Show Answer Correct Answer: A) 10%. 5. Feed on both producers and consumers A) Herbivore. B) Carnivore. C) Omnivore. D) Scavenger. Show Answer Correct Answer: C) Omnivore. 6. The first trophic level of an ecosystem consists of: A) Plants. B) Herbivores. C) Carnivores. D) None of above. Show Answer Correct Answer: A) Plants. 7. A community is concerned about the water quality of a nearby lake. Increased sedimentation in the lake is endangering the native habitat. The increased sedimentation is most likely caused by which of the following? A) Trees planted along the shore of the lake. B) Construction of homes along the lake. C) The amount of sunlight on the lake. D) The amount of fish in the lake. Show Answer Correct Answer: B) Construction of homes along the lake. 8. If you visited a forest in 2015 and there was only small plants there when revisited in 2019, what likely happened? A) Passing of a glacier. B) Preservation of a habitat. C) Occurrence of a forest fire. D) Development of a parking lot. Show Answer Correct Answer: C) Occurrence of a forest fire. 9. He was the first person who studied the interactions between living things and their environment. A) Alexandre von Humboldt. B) Charles Darwin. C) Charles Linneo. D) Theophrastus. Show Answer Correct Answer: D) Theophrastus. 10. A ..... eats mainly other animals. A) Carnivore. B) Omnivore. C) Herbivore. D) Decoposer. Show Answer Correct Answer: A) Carnivore. 11. An organisms habitat provides A) Carrying capacity. B) Space. C) Food, water and shelter. D) Abiotic factors. Show Answer Correct Answer: C) Food, water and shelter. 12. Which two factors can affect the rate in which photosynthesis occurs? A) PH and soil color. B) Temperature and phosphorus. C) PH and temperature. D) Temperature and light intensity. Show Answer Correct Answer: D) Temperature and light intensity. 13. Precipitation that falls on land and soaks into the ground A) Groundwater. B) Runoff. Show Answer Correct Answer: A) Groundwater. 14. I rely on eating other organisms for the energy I need to function since I can not make my own food. A) Consumer. B) Producer. C) Decoposer. D) None of above. Show Answer Correct Answer: A) Consumer. 15. In all food webs, ..... play the role of producers. A) Small animals. B) Predators. C) Microscopic organisms. D) Plants. Show Answer Correct Answer: D) Plants. 16. These are the materials that can be used for Brown Mix. Fall leaves, chipped tree branches, straw, sawdust, corn stalks, cardboard, dryer lint and used paper. There is one materials missing. What is it? A) Cotton fabric. B) Glass. C) Plastic bottles. D) Seaweed. Show Answer Correct Answer: A) Cotton fabric. 17. It is a biogeochemical cycle A) Water wheel. B) Food chain. C) Refraction of light. D) Color wheel. Show Answer Correct Answer: A) Water wheel. 18. Which of the following refers to all the organisms in a particular area? A) Ecosystem. B) Community. C) Organelles. D) Population. Show Answer Correct Answer: B) Community. 19. What is the only process that removes carbon from the atmosphere? A) Combustion. B) Cellular respiration. C) Photosynthesis. D) Decomposition. Show Answer Correct Answer: C) Photosynthesis. 20. An animal eaten by the predator. A) Prey. B) Predator. Show Answer Correct Answer: A) Prey. ← 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