This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 62 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 62 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants? A) Nitrogen fixation. B) Nitrification. C) Denitrification. D) Ammonification. E) Assimilation. Show Answer Correct Answer: A) Nitrogen fixation. 2. The release of water vapor by plants A) Respiration. B) Water cycle. C) Transpiration. D) Photosynthesis. Show Answer Correct Answer: C) Transpiration. 3. Gene A) Basic physical unit of chromosomes, comes from your brain. B) Basic physical unit of hereditary, DNA coded instruction for synthesis of RNA. C) Blood, used to show male or female. D) None of above. Show Answer Correct Answer: B) Basic physical unit of hereditary, DNA coded instruction for synthesis of RNA. 4. I want to eat. I am ..... A) Sad. B) Thirsty. C) Hungry. D) Tired. Show Answer Correct Answer: C) Hungry. 5. I am a consumer that eats both plants and animals. A) Carnivore. B) Omnivore. C) Herbivore. D) None of above. Show Answer Correct Answer: B) Omnivore. 6. A ..... breaks down waste or dead organisms and recycles nutrients. A) Consumer. B) Producer. C) Decoposer. D) Omnivore. Show Answer Correct Answer: C) Decoposer. 7. Biotic factors are things such as, animals and plants A) True. B) False. Show Answer Correct Answer: A) True. 8. Food chain A) Life cycle of a frog. B) Example:grass, cow, human. C) Example:egg, tadpole, frog. D) None of above. Show Answer Correct Answer: B) Example:grass, cow, human. 9. What do you call organisms that can make their own food? A) Heterotrophs. B) Autotrophs. C) Trophies. D) None of above. Show Answer Correct Answer: B) Autotrophs. 10. Ms. Daley takes her class on a field trip to a pond. The class sees a bald eagle and a salamander near the pond. How are these two animals alike? A) They both have offspring that is very different from the adults. B) They both lay eggs. C) They both are warm-blooded. D) They both are able to breathe through their skin. Show Answer Correct Answer: B) They both lay eggs. 11. The process of plants using energy from the sun to create the first trophic level is called? A) Photosynthesis. B) Chemosynthesis. C) Cellular Respiration. D) Primary Producers. Show Answer Correct Answer: A) Photosynthesis. 12. This biome has four equal seasons (winter, spring, summer, fall). Summers are hot and winters are cold. We live in this biome. A) Grassland. B) Marine. C) Deciduous Forest. D) Coniferous Forest. Show Answer Correct Answer: C) Deciduous Forest. 13. Humans are initially babies and then can develop into children who can run. This is because living things is ..... A) Movement. B) Respiration. C) Growth. D) Excretion. Show Answer Correct Answer: C) Growth. 14. Which of the following is NOT an example of an abiotic factor? A) Sunlight. B) Ocean. C) Bird. D) Pebbles. Show Answer Correct Answer: C) Bird. 15. A certain species of bird follows cows through a pasture and eats insects that cows stir up. The cows are not affected. Which type of symbiotic relationship is described? A) Commensalism. B) Parasitism. C) Mutualism. D) Predation. Show Answer Correct Answer: A) Commensalism. 16. Omnivores are..... A) Consumers that eat both plants and animals. B) Species that break down waste material and dead animals to store energy. C) Animals that eat only plants. D) Animals that eat only animals. Show Answer Correct Answer: A) Consumers that eat both plants and animals. 17. What kind of factor:disease? A) Density-independent. B) Density-dependent. Show Answer Correct Answer: B) Density-dependent. 18. What do the arrows in a food chain or web represents? A) They point away from the organism that is being eaten. B) They show how carbon flows within an ecosystem. C) They show what direction the energy is flowing between organisms. D) They represent how water is transferred within a habitat. Show Answer Correct Answer: C) They show what direction the energy is flowing between organisms. 19. Green plants are called ..... A) Producers. B) Consumers. C) Herbivores. D) Omnivores. Show Answer Correct Answer: A) Producers. 20. What are the two factors that determine an areas climate? A) Elevation and precipitation. B) Precipitation and temperature. C) Latitude and topography. D) Topography and temperature. Show Answer Correct Answer: B) Precipitation and temperature. ← 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