This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 23 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Natural resources are resources that exist without any actions of humankind. A) True. B) False. Show Answer Correct Answer: A) True. 2. The process of water vapor changes back into liquid water. A) Evaporation. B) Condensation. C) Precipitation. D) Transpiration. Show Answer Correct Answer: B) Condensation. 3. Approximately how many people are there in the world? A) 7 million. B) 100 million. C) 1 billion. D) 7 billion. E) 100 billion. Show Answer Correct Answer: A) 7 million. 4. Where do the seeds of a gymnosperm come from? A) Fruit. B) Flowers. C) Spores. D) Cones. Show Answer Correct Answer: D) Cones. 5. Convert 17 m to cm: A) 0.17 cm. B) 0.017 cm. C) 1, 700 cm. D) 170 cm. Show Answer Correct Answer: C) 1, 700 cm. 6. Sometimes, our actions endanger everything that surrounds us, including ourselves. A) True. B) False. Show Answer Correct Answer: A) True. 7. During ..... upwelling occurs off the coast of Peru. A) Normal Conditions. B) The boy. Show Answer Correct Answer: A) Normal Conditions. 8. Oil deposits that can be extracted profitably at current prices using current technology. A) Fossil Fuels. B) Petroleum. C) Petroleum Products. D) Oil Reserves. Show Answer Correct Answer: D) Oil Reserves. 9. The water cycle is the A) Distribution of drinking water on Earth. B) Unending circulation of Earth's water supply. C) Recycling water for industrial use. D) Evaporation of water from Earth's surface. Show Answer Correct Answer: B) Unending circulation of Earth's water supply. 10. How does the ozone layer benefit living things on Earth? A) Provided drinking water in the form of rain. B) Protects life from the Sun's ultraviolet rays. C) Is necessary for most living things to breathe. D) Keeps Earth cool enough for life to survive. Show Answer Correct Answer: B) Protects life from the Sun's ultraviolet rays. 11. Energy efficiency is the percentage of energy put into a system that ..... A) Does useful work. B) Doesn't pollute. C) Doesn't cost much. D) Is unlimited. Show Answer Correct Answer: A) Does useful work. 12. Family does not provide security from the outside conflicts. A) True. B) False. Show Answer Correct Answer: B) False. 13. A tropical climate in the US would be? A) Virginia. B) New York. C) California. D) Florida. Show Answer Correct Answer: D) Florida. 14. A treeless biome that has permafrost A) Tundra. B) Desert. C) Taiga. D) Deciduous. Show Answer Correct Answer: A) Tundra. 15. The different seasons of the year are due to A) The tilt of the earth's axis as it travels around the sun. B) The distance of the earth to the sun at different times of the year due to the elliptical shape of the orbit. C) The rotation of the earth around the sun. D) The gravitational pull of the moon as it travels around the earth. Show Answer Correct Answer: A) The tilt of the earth's axis as it travels around the sun. 16. High levels of photochemical smog are due toI. nitrogen dioxide.II. sulfur dioxide.III. VOCs A) I only. B) I and II only. C) II and III only. D) I and III only. E) I, II, and III. Show Answer Correct Answer: D) I and III only. 17. Which of the following human activities contribute to an increased green house effect? A) Harvesting energy from the sun. B) Deforestation. C) Walking to work. D) Switching to geothermal powered electricity. Show Answer Correct Answer: B) Deforestation. 18. A change or the process of change by which an organism or species becomes better suited to its environment. A) Mutation. B) Genes. C) Germ plasm. D) Adaptation. Show Answer Correct Answer: D) Adaptation. 19. The impact that any organism has on its ecosystem is called ..... A) An ecological footprint. B) It's Niche. C) The butterfly effect. D) Biodiversity. Show Answer Correct Answer: A) An ecological footprint. 20. For ..... to occur in a population, individuals with a trait that is "naturally selected for" must reproduce. A) Adaptation. B) Coevolution. C) Evolution. D) Natural selection. Show Answer Correct Answer: C) Evolution. ← 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