This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 328 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 328 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Oxygen content in the benthos is: A) High. B) Moderate. C) Low. D) Seasonally high. Show Answer Correct Answer: C) Low. 2. All of the following are examples of economies except: A) Centrally Planned. B) Free Market. C) Mixed Economy. D) Legislative Economy. Show Answer Correct Answer: D) Legislative Economy. 3. Is the practice of growing, breeding, and caring for plants. A) Agriculture. B) Ecology. C) Ecological Footprint. D) None of above. Show Answer Correct Answer: A) Agriculture. 4. How do nutrients, such as carbon and water, move through an ecosystem? A) In biogeochemical cycles. B) In ecological pyramids. C) In energy pyramids. D) In food webs. Show Answer Correct Answer: A) In biogeochemical cycles. 5. What do we call the first species that colonize a new area? A) Foreign Species. B) Pioneer Species. C) Intraspecies. D) Interspecies. Show Answer Correct Answer: B) Pioneer Species. 6. The largest population size a given environment can sustainably support is known as its A) Limiting capacity. B) Logistic limit. C) Carrying capacity. D) Biotic potential. Show Answer Correct Answer: C) Carrying capacity. 7. Act of US Congress designed to protect any plant or animal species in danger of extinction A) Species act. B) Treaty of paris. C) Law of attraction. D) Endangered species act. Show Answer Correct Answer: D) Endangered species act. 8. These organisms cannot make their own food; they must eat something for energy A) Decoposer. B) Consumer. C) Producer. D) None of above. Show Answer Correct Answer: B) Consumer. 9. Forests provide recreational activities through ..... A) Forest trails. B) Wildlife parks. C) Sightseeing. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. What four things do every organism need for survival? A) Food, water, dirt, and a hat. B) Protection, water, food, and air. C) Air, sun, dirt, and water. D) Light, electricity, and worms. Show Answer Correct Answer: B) Protection, water, food, and air. 11. Something that might happen because of global warming is A) Melting polar ice caps. B) More reflected sunlight off the ice pack. C) Lower sea levels. D) A sale on bathing suits. Show Answer Correct Answer: A) Melting polar ice caps. 12. ..... is a relationship between organisms in which one benefits and the other is not affected. A) Parasitism. B) Host. C) Vector. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 13. The most significant threat to species is A) Loss of habitat. B) Pollution. C) Hunting. D) Fighting. Show Answer Correct Answer: A) Loss of habitat. 14. What enters the top of the leaf and provides the energy for photosynthesis? A) Water. B) Sunlight. C) Oxygen. D) Glucose. Show Answer Correct Answer: B) Sunlight. 15. Occurs when the ecological footprint is larger than the biological capacity to replenish resources and absorb wastes/pollution A) Ecological negativity. B) Carbon footprint. C) Ecological deficit. D) Ecological income. Show Answer Correct Answer: C) Ecological deficit. 16. Number of different species present in an ecosystem A) Ecosystem diversity. B) Habitat fragmentation. C) Species diversity. D) Genetic diversity. Show Answer Correct Answer: C) Species diversity. 17. What element makes up the ozone layer/ A) 3 oxygen molecules. B) 3 carbon molecules. C) 3 hydrogen molecules. D) 3 nitrogen molecules. Show Answer Correct Answer: A) 3 oxygen molecules. 18. Heat and energy in the Earth A) Geothermal energy. B) Passive solar heating. C) Solar energy. D) Electrical generator. Show Answer Correct Answer: A) Geothermal energy. 19. The transfer of energy that takes place when variations in temperature move the matter making up air. A) Convection. B) Conduction. C) Radiation. D) Exclamation. Show Answer Correct Answer: A) Convection. 20. Gamma radiation can be used to treat A) Cataracts. B) Sunburn. C) Reduced crop yields. D) Cancer. Show Answer Correct Answer: D) Cancer. ← PreviousNext →Related QuizzesScience QuizzesEnvironmental Sciences Quiz 1Environmental Sciences Quiz 2Environmental Sciences Quiz 3Environmental Sciences Quiz 4Environmental Sciences Quiz 5Environmental Sciences Quiz 6Environmental Sciences Quiz 7Environmental Sciences Quiz 8Environmental Sciences Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books