This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 100 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 100 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. As you travel north/south poles and get closer to the equator, the temperature ....., and the vegetation (flowers/trees/grasses) ..... A) Lowers, stays the same. B) Rises, stays the same. C) Rises, changes. D) Lowers, changes. Show Answer Correct Answer: B) Rises, stays the same. 2. Study of connections among living things A) Ecology. B) Host. C) Food web. D) None of above. Show Answer Correct Answer: A) Ecology. 3. Which type of succession reaches the climax community faster? A) Primary succession. B) Secondary succession. Show Answer Correct Answer: B) Secondary succession. 4. The phenomenon of global warming is mainly caused by the accumulation of..... in the air A) Ill. B) NO. C) CO. D) Ill. Show Answer Correct Answer: A) Ill. 5. A(n) ..... is a group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce. A) Population. B) Community. C) Species. D) Organism. Show Answer Correct Answer: C) Species. 6. What is the process during which water changes from a liquid to a gas as it heats up? A) Condensation. B) Runoff. C) Precipitation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 7. Producer degen A) Forms inorganic substances. B) Decomposers. C) Decomposes organic matter. D) Producers of organic matter. Show Answer Correct Answer: D) Producers of organic matter. 8. All of the organisms and the non-living environment found in a particular place A) Ecosystem. B) Community. C) Population. D) Habitat. Show Answer Correct Answer: A) Ecosystem. 9. An example of interdependency is: A) A snake living in a pile of rocks. B) A fawn drinking water from a river. C) A bee pollinating a flower. D) A cow grazing on grass. Show Answer Correct Answer: C) A bee pollinating a flower. 10. Which of the following has the greatest negative effect on the world's biodiversity? A) Commensalism. B) Human activity. C) Algal blooms. D) Primary production. Show Answer Correct Answer: B) Human activity. 11. Dentrification is A) The conversion of nitrates into nitrogen gas. B) The conversion of nitrates into organisms. C) The conversion of nitrates into plants. D) The conversion of nitrogen gas into nitrates. Show Answer Correct Answer: A) The conversion of nitrates into nitrogen gas. 12. Which of the following is another word for a plant? A) Autotroph. B) Heterotroph. C) Consumer. D) Omnitroph. Show Answer Correct Answer: A) Autotroph. 13. ..... are organisms that depend on other organisms for food A) Consumers. B) Carnivores. Show Answer Correct Answer: A) Consumers. 14. Which of these is not related with the study of Ecology? A) Chemistry. B) Botany. C) Zoology. D) Geography. E) None of the above. Show Answer Correct Answer: E) None of the above. 15. The loss of a natural habitat is called? A) Habitat development. B) Biodiversity. C) Pollution. D) Habitat destruction. Show Answer Correct Answer: D) Habitat destruction. 16. An ..... is any feature or trait that helps an organism survive. A) Adaptation. B) Resource. C) Habitat. D) Ecology. Show Answer Correct Answer: A) Adaptation. 17. Which of the following organisms performs cellular respiration? I. Autotrophs II. Heterotrophs III. Decomposers A) I only. B) II only. C) III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 18. The scientific name of a penguin is ..... A) Spheniscidae. B) Sphenispidae. C) Sphenuepio. D) Cephalopods. Show Answer Correct Answer: A) Spheniscidae. 19. An organism that gets its energy from the remains of dead organisms A) Detrivorous. B) Omnivore. C) Herbivore. D) Carnivore. Show Answer Correct Answer: A) Detrivorous. 20. What type of organism eats both plants and meat? A) Herbivore. B) Carnivore. C) Omnivore. D) We were. Show Answer Correct Answer: C) Omnivore. ← 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