This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 182 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 182 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT a limiting factor that might affect a population of chimpanzees? A) Amount of food. B) Amount of water. C) Amount of living space. D) Type of rocks. Show Answer Correct Answer: D) Type of rocks. 2. Under which condition would a population most likely increase? A) The carrying capacity exceeds the habitat area. B) The number of deaths exceeds the immigration rate. C) The number of deaths exceeds the number of births. D) The amount of available resources exceeds the carrying capacity. Show Answer Correct Answer: D) The amount of available resources exceeds the carrying capacity. 3. World Earth summit 2012 held in? A) Rio de Janeiro. B) Brazil. C) France. D) New Delhi. Show Answer Correct Answer: A) Rio de Janeiro. 4. Parts of the seed that become the first leaves A) Epicotyl. B) Cotyledon. C) Hypocotyl. D) Radicle. Show Answer Correct Answer: A) Epicotyl. 5. Difference between parasite and host A) Parasite is helped and the host is the organism it is on or in and being harmed. B) Host is helped and the parasite is the organism it is on or in and being harmed. C) Parasite is the one being harmed and the host is the organism it is on or in helping. D) Host is the one in the way of the organism and the parasite is the organism it is on or in and being harmed. Show Answer Correct Answer: A) Parasite is helped and the host is the organism it is on or in and being harmed. 6. Concerning the balance of pollutants in the biosphere A) Scientists have proved that the natural system of the earth is overwhelmed by pollution. B) The long term balance of the biosphere under current conditions is uncertain. C) The long term balance of the biosphere under current conditions is uncertain. D) None of above. Show Answer Correct Answer: B) The long term balance of the biosphere under current conditions is uncertain. 7. Carnivores eat this A) Meat. B) Plants. C) Meat and plants. D) None of above. Show Answer Correct Answer: A) Meat. 8. An example of producer consumer relationship would be A) Lion eating a deer. B) Grasshopper getting energy from grass. C) Hawk getting energy from snakes. D) Earthworm breaking down dead material. Show Answer Correct Answer: B) Grasshopper getting energy from grass. 9. What is mass effect? A) Number of births and deaths at the same time. B) Decrease in the number of two species living in the same area. C) An excessive increase in the number of individuals and an increase in population density. D) The number of individuals who died during a period of time. Show Answer Correct Answer: C) An excessive increase in the number of individuals and an increase in population density. 10. Southern Africa would be considered what biome? A) Desert. B) Grassland. C) Shrubland. D) Tropical rainforest. Show Answer Correct Answer: C) Shrubland. 11. In an ecosystem, ..... factors determine the carrying capacity of an environment and limit a population's growth and size. A) Exponential. B) Limiting. C) Biotic. D) Abiotic. Show Answer Correct Answer: B) Limiting. 12. What is the chemical in plants' leaves that performs photosynthesis and causes plants to be a green color? A) Chlorophyll. B) Carbon dioxide. C) Oxygen. D) None of above. Show Answer Correct Answer: A) Chlorophyll. 13. Choose the correct process described:Plants and animals break down sugars and metabolize them into CO2, water and ATP for energy A) Respiration. B) Photosynthesis. C) Combustion. D) Volcanic eruptions. Show Answer Correct Answer: A) Respiration. 14. What defines an organism that is not native to the area it lives in and has negative effects in some way? A) Invasive Species. B) Biodiversity. C) Food Chains. D) Food Webs. Show Answer Correct Answer: A) Invasive Species. 15. An ..... consists of all the biotic and abiotic factors in an area and their interactions A) Ecosystem. B) Carnivore. Show Answer Correct Answer: A) Ecosystem. 16. The relationship parasitism causes disease, and slows how quickly or a large a population can grow. A) False. B) True. Show Answer Correct Answer: B) True. 17. Which compound does NOT contain carbon atoms? A) Carbon dioxide. B) Ammonium. C) Calcium carbonate. D) Methane. Show Answer Correct Answer: B) Ammonium. 18. The greenhouse effect affects life on Earth by A) Trapping oxygen. B) Cooling the temperatures. C) Trapping warmth. D) Recycling nitrogen. Show Answer Correct Answer: C) Trapping warmth. 19. What is the area where a polar bear lives called? A) The igloo. B) The desert environment. C) The Arctic habitat. D) The winter habitat. Show Answer Correct Answer: C) The Arctic habitat. 20. What is made up of all populations in an area? A) Niche. B) Habitat. C) Community. D) Ecosystem. Show Answer Correct Answer: C) Community. ← 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