This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 141 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 141 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the symbiotic relationship called in which the organism is helped and the other organism is harmed? A) Mutualism. B) Parasitism. C) Commensalism. D) Consumer. Show Answer Correct Answer: B) Parasitism. 2. Photosynthesis will most likely appear in which of these cycles? A) Nitrogen. B) Carbon. C) Water. D) None of above. Show Answer Correct Answer: B) Carbon. 3. Which biome is hot during the day, cold at night, animals are nocturnal & has limited rain? A) Tundra. B) Taiga. C) Deciduous Forest. D) Desert. Show Answer Correct Answer: D) Desert. 4. All food chains start with ..... A) Animals. B) Consumers. C) Green plants. D) None of above. Show Answer Correct Answer: C) Green plants. 5. Ecology is the scientific study of interactions between organisms and their environments, focusing on energy transfer* It is a science of relationships. A) True. B) False. Show Answer Correct Answer: A) True. 6. This biome is made-up of deciduous trees; it experiences four seasons annually. Pennsylvania is found in this biome. Which one is it? A) Tundra. B) Temperate Deciduous Forest. C) Taiga. D) Tropical RainForest. Show Answer Correct Answer: B) Temperate Deciduous Forest. 7. Why is it said that "Plants are producers in ecosystems." A) Plants can absorb water and minerals directly from the soil. B) Plants are food for both people and animals. C) Plants can photosynthesise or make their own food. D) Plants can provide four essential elements to humans. Show Answer Correct Answer: C) Plants can photosynthesise or make their own food. 8. Living features of the environment. A) Abiotic. B) Biotic. C) Habitat. D) Population. Show Answer Correct Answer: B) Biotic. 9. Animals are divided into groups based on heat exchange A) Hydrobiont, hygrobiont. B) Poikilotherm, homoeotherm, heterotherm. C) Xerophyte, mesophyte. D) Stenobiont, eurybiont. Show Answer Correct Answer: B) Poikilotherm, homoeotherm, heterotherm. 10. Parasites feed on other organisms A) True. B) False. Show Answer Correct Answer: A) True. 11. Which is NOT a consumer A) Plant. B) Lion. C) Bird. D) None of above. Show Answer Correct Answer: A) Plant. 12. You should turn off the lights to save ..... A) Water. B) Food. C) Energy. D) Rubbish. Show Answer Correct Answer: C) Energy. 13. The place on Earth where life exists is called the ..... A) Biosphere. B) Ecosystem. C) Bionic place. D) Biome. Show Answer Correct Answer: A) Biosphere. 14. True or False:Parasites are animals that live inside or on other animals, and cause diseases. A) True. B) False. Show Answer Correct Answer: A) True. 15. Which abiotic factor will cause a plant shoot to grow in a direction other than straight up? A) Temperature. B) Amount of top soil. C) Amount of water. D) Location of the light. Show Answer Correct Answer: D) Location of the light. 16. Which of these is an example of a limiting factor A) Food. B) Predators. C) Weather conditions. D) Disease. E) All of the above. Show Answer Correct Answer: E) All of the above. 17. Green plants absorb light energy and use it to combine carbon dioxide and water to make starch which then is stored as starch in their stems and leaves. True or false? A) False. B) True. Show Answer Correct Answer: B) True. 18. What is missing from this food chain? Grass > Grasshopper > Bird > Snake A) Producer. B) Primary Consumer. C) Secondary Consumer. D) Decoposer. Show Answer Correct Answer: D) Decoposer. 19. Members of a species in a defined area A) Ecosystem. B) Community. C) Biodiversity. D) Population. Show Answer Correct Answer: D) Population. 20. Which group uses the sun's energy to make food? A) Producers. B) Consumers. C) Decomposers. D) Predators. Show Answer Correct Answer: A) Producers. ← 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