This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Environmental Studies – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Studies Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Natural Resources are ..... A) Natural resources & ecosystem services that keep living things alive. B) Waste, depletion, degradation of natural capital. C) Natural materials & energy sources useful to humans. D) Single, identifiable source from which pollutants are discharged. Show Answer Correct Answer: C) Natural materials & energy sources useful to humans. 2. Nancy is her mother's ..... A) Friend. B) Aunt. C) Daughter. D) Sister. Show Answer Correct Answer: C) Daughter. 3. Some people have to keep moving from place to place in search of food and occupation. They are called ..... or nomads A) Bandits. B) Bombers. C) Tribes. D) Banjaras. Show Answer Correct Answer: D) Banjaras. 4. A collection of organisms that make up a community as well as all of the non-living aspects of the environment. A) Community. B) Habitat. C) Ecosystem. D) Population. Show Answer Correct Answer: C) Ecosystem. 5. When is Republic Day celebrated? A) 26th January. B) 15th August. C) 2nd October. D) None of above. Show Answer Correct Answer: A) 26th January. 6. Hydrosphere includes ..... A) Soil. B) Water bodies. C) Animals. D) Plants. Show Answer Correct Answer: B) Water bodies. 7. ..... is a vital elixir for all living beings. A) Forest. B) Water. C) Temperature. D) None of these. Show Answer Correct Answer: B) Water. 8. The average life expectancy around the world is currently A) Increasing. B) Not changing. C) Stabilizing. D) Decreasing. Show Answer Correct Answer: A) Increasing. 9. An increase in turbidity will result in a(n) ..... in clarity. A) Increase. B) Decrease. C) No change. D) None of above. Show Answer Correct Answer: B) Decrease. 10. All of the following add Dissolved Oxygen to the water except ..... A) From photosynthesis by underwater plants. B) Air in the atmosphere. C) Movement of the water. D) Underground oxygen deposits. Show Answer Correct Answer: D) Underground oxygen deposits. 11. Nuclear power is being produced from A) Nuclear fission. B) Natural gas. C) Carbon-14. D) Petroleum combustion. Show Answer Correct Answer: A) Nuclear fission. 12. Which of the following components of the Hydrosphere is NOT counted as Earth's fresh water reservoir. A) Icecaps and glaciers. B) Lakes. C) Swamps and Marshes. D) None of the above. Show Answer Correct Answer: D) None of the above. 13. How could a beaver's dam change the environment? A) There are fewer trees. B) There are more flowers. C) There is more grass. D) There are more fish. Show Answer Correct Answer: D) There are more fish. 14. A roof is laid by using bamboo sticks ..... A) Hut. B) Building. C) Igloo. D) None of above. Show Answer Correct Answer: A) Hut. 15. What is the term used to express a community in its final stage of succession? A) Final community. B) End community. C) Dark community. D) Climax community. Show Answer Correct Answer: D) Climax community. 16. Name the atmospheric layer closer to the ground A) Thermosphere. B) Mesosphere. C) Startosphere. D) Troposphere. Show Answer Correct Answer: D) Troposphere. 17. How many spokes are there in the Chakra in the Indian national flag? A) 25. B) 27. C) 24. D) None of above. Show Answer Correct Answer: C) 24. 18. An herbivore eats corn A) Yes. B) No. Show Answer Correct Answer: A) Yes. 19. Minimata disease occurred due to contamination of A) Silica. B) Iso methyl. C) Mehthyl mercury. D) Silicate. Show Answer Correct Answer: C) Mehthyl mercury. 20. ..... are the smallest units of matter. They're made up of protons, neutrons, and ..... A) Atoms, electrons. B) Compounds, nucleus. C) Isotopes, molecules. D) Atoms, photons. Show Answer Correct Answer: A) Atoms, electrons. 21. Which of the following is part of an American bison's niche? A) Grasslands. B) Gray wolf. C) Water. D) All of the above. Show Answer Correct Answer: D) All of the above. 22. Which of the following is not soluble in water? A) Chalk Powder. B) Honey. C) Sugar. D) Salt. Show Answer Correct Answer: A) Chalk Powder. 23. Pick the letter of the description that best matches the term or phrase.number of individuals per unit area A) Density. B) Territory. C) Density dependent. D) Limiting resource. E) Dispersion. Show Answer Correct Answer: A) Density. 24. Food chain always starts with ..... A) Plant life. B) Animals. C) Air. D) None of these. Show Answer Correct Answer: A) Plant life. 25. What does biodegradable mean? A) Waste can easily be broken down. B) Waste cannot easily be broken down. C) Waste goes away immediatly. D) None of above. Show Answer Correct Answer: A) Waste can easily be broken down. 26. Animal husbandry results in A) Global warming. B) Acid rain. C) Ozone depletion. D) None of these. Show Answer Correct Answer: A) Global warming. 27. Which animal is heavy A) Elephant. B) Rat. C) Both. D) None. Show Answer Correct Answer: A) Elephant. 28. Endemic species are mostly A) Confined to a particular locality. B) Whose number is largest. C) Which are available on Western Ghats. D) Which flower annually. Show Answer Correct Answer: A) Confined to a particular locality. 29. Bhopal gas tragedy was due to contamination of A) Isomethyl mercury. B) Carbon dioxide. C) Propyl mercury. D) Phosphorus. Show Answer Correct Answer: A) Isomethyl mercury. 30. A desert is an extremely dry area of land, having very less rainfall and ..... It is usually barren with poor living conditions. A) Sand dunes. B) Vegetation. C) Camel. D) Cactus. Show Answer Correct Answer: B) Vegetation. 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