This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Environmental Studies – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Studies Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A machine used to deepen a waterway. A) Barge. B) Dredger. C) Spoil Maker. D) Canoe. Show Answer Correct Answer: B) Dredger. 2. Organisms who directly feed on producers are called: A) Carnivores. B) Omnivores. C) Herbivores. D) Decomposers. Show Answer Correct Answer: C) Herbivores. 3. What causes global warming? A) Fire in the Amazon forests. B) Extra heat being trapped on the planet by greenhouse gases. C) Many volcanic eruptions around the world. D) None of above. Show Answer Correct Answer: B) Extra heat being trapped on the planet by greenhouse gases. 4. Which one of the following is not a gaseous biogeochemical cycle A) Nitrogen cycle. B) Sulphur cycle. C) Phosphorus cycle. D) Carbon cycle. Show Answer Correct Answer: C) Phosphorus cycle. 5. Environmental Degradation..... A) Single, identifiable source from which pollutants are discharged. B) Natural materials & energy sources useful to humans. C) Waste, depletion, degradation of natural capital. D) Natural resources & ecosystem services that keep living things alive. Show Answer Correct Answer: C) Waste, depletion, degradation of natural capital. 6. The nitrogen in the water in large amount contaminating the water and leading to proliferation of algal blooms is called A) Nitrogen expansion. B) Algal flourishing. C) Eutrophication. D) Green water. Show Answer Correct Answer: C) Eutrophication. 7. Our tongue helps us to A) Taste. B) Feel. C) Smell. D) See. Show Answer Correct Answer: A) Taste. 8. Below are the correct types of pollution? A) Plastic pollution. B) Bird droppings contamination. C) Water-soil pollution and radioactive pollution. D) Air pollution, noise pollution and organic plants. Show Answer Correct Answer: C) Water-soil pollution and radioactive pollution. 9. The calendar we use today is based on the A) Chirstian era. B) Non of these. C) Jesus chirst. D) Common era. Show Answer Correct Answer: A) Chirstian era. 10. Name the first layer of the Atmosphere. A) Thermospher. B) Exossphere. C) Stratosphere. D) Troposphere. Show Answer Correct Answer: D) Troposphere. 11. Lowest layer of atmosphere is called ..... A) Mesosphere. B) Stratosphere. C) Troposphere. D) Thermosphere. Show Answer Correct Answer: C) Troposphere. 12. Most abundant gas in the atmosphere is A) Nitrogen. B) Carbon dioxide. C) Hydrogen. D) Oxegen. Show Answer Correct Answer: A) Nitrogen. 13. The variety of living species on earth including plants, animals, bacteria, and fungi A) Habitat. B) Biosphere. C) Biodiversity. D) None of above. Show Answer Correct Answer: C) Biodiversity. 14. Which of the following best describes the interaction a beaver and a beaver dam? A) Biotic-abiotic. B) Abiotic-abiotic. C) Abiotic-biotic. D) Biotic-biotic. Show Answer Correct Answer: A) Biotic-abiotic. 15. Which part of a plant prevents soil erosion? A) Leaves. B) Soil. C) Stem. D) Seeds. Show Answer Correct Answer: B) Soil. 16. The following was an augment FOR desalination plant construction: A) Desalination plant assists with conservation of local marine environment. B) High energy use at desalination plant. C) Melbourne faces water shortages in future due to drought, climate change, population growth. D) Assists with local indigenous heritage conservation. Show Answer Correct Answer: C) Melbourne faces water shortages in future due to drought, climate change, population growth. 17. Zone consisting air, water and soil is known as A) Biosphere tagsMulti Disciplinary Nature of Environmental Studies. B) Lithosphere. C) Hydrosphere. D) Atmosphere. Show Answer Correct Answer: A) Biosphere tagsMulti Disciplinary Nature of Environmental Studies. 18. When answering a 'State of Environment' referenced question, the following themes would be most appropriate for 'CERES Community Environment Park, Brunswick' environment reference A) Atmosphere & Coastal. B) Built environment & Atmosphere. C) Atmosphere & Inland waters. D) Inland waters & Atmosphere. Show Answer Correct Answer: B) Built environment & Atmosphere. 19. Increasing run off pesticides, fertilizers and insecticides in aquatic body leads to A) Biomagnification. B) Water Pollution. C) Micropropagation. D) Algal Bloom. Show Answer Correct Answer: D) Algal Bloom. 20. Land obtained by filling of water bodies is called ..... A) Tributaries. B) Reclaim land. C) Island. D) None of above. Show Answer Correct Answer: B) Reclaim land. 21. Which ecosystem has the highest level of salinity? A) Pond. B) River. C) Brackish marsh. D) Salt marsh. Show Answer Correct Answer: D) Salt marsh. 22. The place in which a plant, animal, bird or fish normally lives is its ..... A) Habitat. B) Food chain. C) Eco-community. D) Eco-friendly. Show Answer Correct Answer: A) Habitat. 23. Our ..... helps us to taste. A) Tongue. B) Eyes. C) Ears. D) Nose. Show Answer Correct Answer: A) Tongue. 24. Why doesn't photosynthesis occur in deep ocean water? A) The water temperature is too cold. B) There is no sunlight. C) The salinity level of the water is too high. D) There are not enough nutrients. Show Answer Correct Answer: B) There is no sunlight. 25. Light source that is made by human is called ..... source of light. A) Artificial. B) Natural. C) Chemical. D) None of above. Show Answer Correct Answer: A) Artificial. 26. The enhanced greenhouse effect is sometimes referred to as ..... A) Climate. B) Heat waves. C) Global warming. D) Temperature. Show Answer Correct Answer: C) Global warming. 27. Which of the following statements is correct? A) An organism's niche is only the part of its habitat that it eats. B) An organism's habitat is a location. C) Habitat and niche are the same thing. D) An organism's niche is outside its habitat. Show Answer Correct Answer: B) An organism's habitat is a location. 28. The study of population trends A) Trendography. B) Peopleography. C) Demography. D) Populography. Show Answer Correct Answer: C) Demography. 29. True or False. The burning of fossil fuels causes the earth to warm more quickly because of greenhouse gases and pollution. A) True. B) False. Show Answer Correct Answer: A) True. 30. Where is pollution found on Earth? A) In water and land. B) Only in air. C) In air, land and water. D) In air and water. Show Answer Correct Answer: C) In air, land and water. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesEnvironmental Studies Quiz 1Environmental Studies Quiz 2Environmental Studies Quiz 3Environmental Studies Quiz 5Environmental Studies Quiz 6Environmental Studies Quiz 7Environmental Studies Quiz 8Environmental Studies Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books