This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 117 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 117 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Solar power is A) Renewable. B) Nonrenewable. C) Inexhaustible. D) Renewable and inexhaustible. Show Answer Correct Answer: D) Renewable and inexhaustible. 2. TRUE or FALSE:An ecosystem contains only biotic factors. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 3. Which of the following is the best definition for estuary? A) Narrow band of coastline that exists between high and low tide. B) Areas along the coast where fresh water from rivers mixes with salt water from the ocean. C) Flowing fresh water containing rapids. D) Freshwater aquatic areas that are saturated by water for at least part of the year. Show Answer Correct Answer: B) Areas along the coast where fresh water from rivers mixes with salt water from the ocean. 4. A vulture is an example of a A) Herbivore. B) Detritivore. C) Omnivore. D) Scavenger. Show Answer Correct Answer: D) Scavenger. 5. The dishes are dirty. Please ..... them. A) Wet. B) Dry. C) Wash. D) Take. Show Answer Correct Answer: C) Wash. 6. Aquatic organisms that crawl. A) Nekton. B) Benthos. Show Answer Correct Answer: B) Benthos. 7. An inverted pyramid of numbers and an inverted pyramid of biomass are respectively seen in? A) Sea and tree ecosystem. B) Tree and sea ecosystem. C) Sea and grass ecosystem. D) Tree and grassland ecosystem. Show Answer Correct Answer: B) Tree and sea ecosystem. 8. What organism takes in the carbon that animals breathe out A) Plants. B) Heterotrophs. C) Omnivores. D) Decomposers. Show Answer Correct Answer: A) Plants. 9. One of the main causes of biodiversity loss is? A) Habitat fragmentation. B) Invasive species. C) Climate change. D) All of the Above. Show Answer Correct Answer: A) Habitat fragmentation. 10. A heterotroph means? A) Feeds itself. B) Feeds on other organisms. C) 2 word name. D) 8 legged. Show Answer Correct Answer: B) Feeds on other organisms. 11. What is the primary source of light and food energy on Earth? A) The Stars. B) The Moon. C) The Sun. D) None of above. Show Answer Correct Answer: C) The Sun. 12. What is the main source of energy for producers? A) Inorganic substances. B) Sunlight. C) Oxygen gas. D) Carbon dioxide gas. Show Answer Correct Answer: B) Sunlight. 13. Many types of animals like the bear store up fat during the warm summer months and then hibernate during the cold winter months. Hibernation is a common adaptation of animals in which biome? A) Savanna. B) Temperate deciduous forest. C) Tropical rain forest. D) Desert. Show Answer Correct Answer: B) Temperate deciduous forest. 14. Mistletoe is a plant that grows in the branches of other plants. It grows by taking nutrients and water from these plants. This is an example of: A) Mutualism. B) Commensalism. C) Parasitism. D) Amensalism. Show Answer Correct Answer: C) Parasitism. 15. In this type of symbiotic relationship both species benefit from each other A) Parasitism. B) Mutualism. C) Commensalism. D) None of above. Show Answer Correct Answer: B) Mutualism. 16. Limitations of ecological pyramids involve all these statements, except A) They assume a simple food chain and do not consider food webs. B) In the ecological pyramids, saprotrophs are not given any place. C) They do not take into account the same species belonging to two or more trophic levels. D) They do not represent relationships between organisms at different trophic levels. Show Answer Correct Answer: D) They do not represent relationships between organisms at different trophic levels. 17. Mushrooms, bacteria and mold are types of ..... A) Decomposers. B) Scavengers. C) Herbivores. D) Carnivores. Show Answer Correct Answer: A) Decomposers. 18. If a scientist in New Zealand was studying how a group of herbivores interacted with a group of omnivores, and all of their abiotic surroundings, what level of ecology would she be studying? A) Community. B) Population. C) Species. D) Ecosystem. E) Biome. Show Answer Correct Answer: D) Ecosystem. 19. What animals prey on other animals? A) Herbivores. B) Carnivores. C) Autotrophs. D) Decomposers. Show Answer Correct Answer: B) Carnivores. 20. A group of the same organisms living together in the same place at the same time is: A) An organism. B) A population. C) A community. D) A biome. Show Answer Correct Answer: B) A population. ← 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