This quiz works best with JavaScript enabled. Home > General Knowledge > Indian Culture > Festivals > Earth Day – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Earth Day Quiz 4 (53 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A mutation occurs in the chloroplasts of a lettuce plant, causing its thylakoid membranes to become more permeable to charged ions. How might this mutation affect the Calvin cycle? A) Fewer carbohydrates would be produced by the Calvin cycle. B) There would be no change to the Calvin cycle. C) More carbohydrates would be produced by Calvin cycle. D) None of the above. Show Answer Correct Answer: A) Fewer carbohydrates would be produced by the Calvin cycle. 2. Another example of what Earth Day has taught us is A) Be kind to animals. B) How to recycle. C) How to put our toys away. D) How to eat healthy food. Show Answer Correct Answer: B) How to recycle. 3. Emily, Ava, and Arjun are on a mission to understand how vehicles cause pollution. Can you help them figure out one way vehicles contribute to pollution? A) Vehicles pollute by building too many fires. B) Vehicles emit harmful gases into the air. C) Vehicles cause pollution by eating too much pizza. D) Vehicles contribute to pollution by driving cars. Show Answer Correct Answer: B) Vehicles emit harmful gases into the air. 4. What does the word reuse mean? A) A community of living organisms. B) The study of organisms and their surroundings. C) A layer that protects us from the sun's harmful rays. D) To use again. Show Answer Correct Answer: D) To use again. 5. What is the shape of our Earth? A) Round. B) Triangle. C) Square. D) Rectangle. Show Answer Correct Answer: A) Round. 6. When did scientists realize the Earth needed help? A) In the 1960s. B) There is nothing that can be done to save the planet. C) After World War I. D) During Woodstock. Show Answer Correct Answer: A) In the 1960s. 7. What type of bags we should not carry when we go out to buy anything? A) Plastic bags. B) Paper bags. C) Jute bags. D) Cloth bags. Show Answer Correct Answer: A) Plastic bags. 8. The equation below shows the process of photosynthesis. Carbon dioxide + Water $\rightarrow$? + OxygenWhat forms of energy are entering and exiting this process? A) Chemical energy is entering, and light energy is exiting. B) Wind energy is entering, and light energy is exiting. C) Light energy is entering, and chemical energy is exiting. D) Thermal energy is entering, and electrical energy is exiting. Show Answer Correct Answer: C) Light energy is entering, and chemical energy is exiting. 9. Which of the following are true regarding photosynthesis and cellular respiration? A) Photosynthesis produces carbon dioxide, and cellular respiration uses carbon dioxide. B) Photosynthesis and cellular respiration are performed by all plants and animals. C) Both photosynthesis and cellular respiration occur in the chloroplasts of a cell. D) Photosynthesis and cellular respiration are near-opposite processes. Show Answer Correct Answer: D) Photosynthesis and cellular respiration are near-opposite processes. 10. What does it mean to go green? A) To eat more green vegetables. B) To celebrate St. Patrick's Day everyday. C) To wear green clothes. D) To be friendly towards the environment. Show Answer Correct Answer: D) To be friendly towards the environment. 11. The light-dependent reactions of photosynthesis take energy from sunlight and convert it into stored chemical energy. Which compounds are produced in the light-dependent reactions? A) ATP and NADPH. B) ATP and NADP+. C) ADP and NADPH. D) ADP and NADP+. Show Answer Correct Answer: A) ATP and NADPH. 12. What is the antonym of 'protect' in the context of Earth Day? A) Preserve. B) Harm. C) Guard. D) Save. Show Answer Correct Answer: B) Harm. 13. Which literary device is used in the phrase 'The Earth weeps for its lost forests'? A) Metaphor. B) Simile. C) Alliteration. D) Hyperbole. Show Answer Correct Answer: A) Metaphor. 14. In the Earth Day video, which action is encouraged to reduce pollution? A) Driving more cars. B) Planting trees. C) Wasting water. D) Using plastic bags. Show Answer Correct Answer: B) Planting trees. 15. Earth is the ..... planet of solar system. A) Fifth. B) Sixth. C) Third. D) Seventh. Show Answer Correct Answer: C) Third. 16. There are approximately how many billion people on Earth right now? A) 5 billion. B) 7 billion. C) 6 billion. D) 8 billion. Show Answer Correct Answer: D) 8 billion. 17. Abigail, Samuel, and Lucas are having a debate. Abigail says that burning fossil fuels releases carbon dioxide into the air. Is she correct? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Climate change; the changes that are happening to the Earth's climate; the planet is getting hotter A) Glacier. B) Greenhouse gases. C) Global warming. D) Fossil fuels. Show Answer Correct Answer: C) Global warming. 19. What is the ozone layer? A) A layer that protects us from the sun's harmful rays. B) The area around a person, animal, or plant. C) Make smaller or less. D) To change waste into something useful. Show Answer Correct Answer: A) A layer that protects us from the sun's harmful rays. 20. How many Cylinders can fill with the one day breath inhaled by the human being? A) One. B) Three. C) Zero. D) Two. Show Answer Correct Answer: B) Three. 21. What does the word recycle mean? A) The area around a person, animal, or plant. B) To keep from harm. C) Make smaller or less. D) To change waste into something useful. Show Answer Correct Answer: D) To change waste into something useful. 22. Which character in the Earth Day video symbolizes hope for the future? A) The businessman ignoring pollution. B) The young girl planting a tree. C) The politician giving a speech. D) The scientist studying climate change. Show Answer Correct Answer: B) The young girl planting a tree. 23. Where is Earth Day celebrated? A) Globally (all around the world). B) Mainly in Asian Countries. C) The United States of America. D) Europe. Show Answer Correct Answer: A) Globally (all around the world). 24. Why does chlorophyll look green to the human eye? A) Chlorophyll reflects green light. B) Chlorophyll is green as the result of an optical illusion created by light transmission. C) Chlorophyll absorbs green light. D) Chlorophyll absorbs blue and yellow light, which make green. Show Answer Correct Answer: A) Chlorophyll reflects green light. 25. In past, our Earth underwent several cold periods when the temperature drastically dropped covering with snow everywhere and the glaciers invaded the land. What is this period commonly known as? A) Cold Age. B) Jurassic period. C) Glacial period. D) Ice Age. Show Answer Correct Answer: D) Ice Age. 26. Oliver, Mia, and Noah are having a debate about the effects of water pollution. Can you help them understand one major impact of water pollution? A) Water pollution leads to a decrease in biodiversity. B) Water pollution leads to a decrease in car usage. C) Water pollution leads to an increase in pizza consumption. D) Water pollution leads to an increase in oxygen levels. Show Answer Correct Answer: A) Water pollution leads to a decrease in biodiversity. 27. A supply of something that can be used when needed are ..... A) Waste. B) Conserve. C) Resources. D) Pollution. Show Answer Correct Answer: C) Resources. 28. World leaders agreed to ..... when the Paris Agreement signed on Earth Day in 2016. A) Quit making single-use plastics by 2020. B) Protect biodiversity and end deforestation [cutting down trees]. C) Use 100% clean, renewable energy by 2020. D) Keep global temperature rise below 2$^\circ$ C. Show Answer Correct Answer: D) Keep global temperature rise below 2$^\circ$ C. 29. Which of the following statements regarding photorespiration is true? A) Photorespiration is more efficient at synthesizing glucose than photosynthesis. B) C3 plants are best adapted to handle photorespiration. C) Photorespiration happens most readily in high temperature and high light intensity. D) During photorespiration, plants use oxygen to break down carbohydrates and release oxygen. Show Answer Correct Answer: C) Photorespiration happens most readily in high temperature and high light intensity. 30. What does the word pollute mean? A) Protect from harm or overuse. B) A layer that protects us from the sun's harmful rays. C) To make water, land and air dirty. D) To change waste into something useful. Show Answer Correct Answer: C) To make water, land and air dirty. 31. What does the word environment mean? A) The area around a person, animal, or plant. B) To make water, land and air dirty. C) A community of living organisms. D) To keep from harm. Show Answer Correct Answer: A) The area around a person, animal, or plant. 32. On which planet are we living? A) Earth. B) Mercury. C) Mars. D) Saturn. Show Answer Correct Answer: A) Earth. 33. Aiden, Owen, and Ella are having a debate about recycling. Aiden thinks recycling means 'making things smaller', Owen believes it's 'making things bigger', and Ella says it's 'converting waste into reusable material'. Who do you think is correct? A) Aiden. B) Owen. C) Ella. D) None of them. Show Answer Correct Answer: C) Ella. 34. Identify the correct sentence structure:'Earth Day, celebrated globally, raises awareness about environmental issues.' A) Compound-complex sentence. B) Complex sentence. C) Compound sentence. D) Simple sentence. Show Answer Correct Answer: B) Complex sentence. 35. Since Earth Day began people have begun to A) Plant trees. B) Pick up trash. C) Stop polluting. D) Encourage recycling and conservation. E) All of the above. Show Answer Correct Answer: E) All of the above. 36. Which of the following is an example of personification? A) Earth Day is on April 22. B) The Earth smiled on Earth Day. C) Earth Day is celebrated worldwide. D) The Earth is round. Show Answer Correct Answer: B) The Earth smiled on Earth Day. 37. C4 plants are able to drastically reduce photorespiration compared to C3 plants. Which of the following explains how C4 plants are able to do this? A) C4 plants do not undergo the Calvin cycle. B) C4 plants are adapted to cold wet environment. C) C4 plants have stomata that are only open at night. D) C4 plants use PEP carboxylase for initial CO$_{2}$ fixation. Show Answer Correct Answer: D) C4 plants use PEP carboxylase for initial CO$_{2}$ fixation. 38. Earth Day started in America in 1970 because A) Canada didn't care. B) Rivers and lakes had waste dumped into them. C) There was a tornado. D) All of the animals had died. Show Answer Correct Answer: B) Rivers and lakes had waste dumped into them. 39. Globally, which of the following economic sectors emits the largest percentage of greenhouse gas emissions? A) Transportation. B) Buildings. C) Industry. D) Electricity and heat production. Show Answer Correct Answer: D) Electricity and heat production. 40. What should you recycle? A) Plastic. B) Sandwich. C) All the above. D) None of the above. Show Answer Correct Answer: A) Plastic. 41. How many trees are there on Earth? A) 3, 000. B) 3 million. C) 3 billion. D) 3 trillion. Show Answer Correct Answer: D) 3 trillion. 42. What has happened since the first Earth Day? A) Environmentalism lost popularity, and now few people celebrate Earth Day. B) Earth Day grew, and now over a billion people around the world celebrate it. C) Earth Day was cancelled because so few people celebrate it. D) Earth Day became a day that only Americans celebrate. Show Answer Correct Answer: B) Earth Day grew, and now over a billion people around the world celebrate it. 43. Which of the following combinations is not reactants in the Calvin cycle? A) ATP and reduced NADP. B) Triose phosphate and carbon dioxide. C) RuBP and GP. D) ATP and rubisco. Show Answer Correct Answer: D) ATP and rubisco. 44. When is Earth day celebrate? A) 22 April. B) 20 March. C) 5 June. D) 24 September. Show Answer Correct Answer: A) 22 April. 45. Which of the following sentences uses the word 'earth' correctly? A) They earthed the seeds in the sky. B) He earthed his feelings in a poem. C) She earthed the wire to prevent shocks. D) The earth is flat according to some theories. Show Answer Correct Answer: C) She earthed the wire to prevent shocks. 46. Using a reusable sports bottle instead of a plastic water bottle is a way to A) Reduce. B) Reuse. C) Recycle. D) None of the above. Show Answer Correct Answer: B) Reuse. 47. 70% of the Earth's surface is covered in water! How much of that is fresh water available for drinking and irrigation? A) 5%. B) 25%. C) Less than 1%. D) 10%. Show Answer Correct Answer: C) Less than 1%. 48. People celebrate Earth Day by A) Cleaning up trash in neighborhoods. B) Eating cake. C) Having parties. D) Flying in a rocket. Show Answer Correct Answer: A) Cleaning up trash in neighborhoods. 49. Lucas, Ava, and Charlotte are having a debate. Lucas says that greenhouse gases trap heat in the earth's atmosphere leading to global warming. Is he correct? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. What does the word ecology mean? A) The study of organisms and their surroundings. B) To keep from harm. C) Make smaller or less. D) A layer that protects us from the sun's harmful rays. Show Answer Correct Answer: A) The study of organisms and their surroundings. 51. What is one major impact of soil pollution? A) It decreases biodiversity. B) It decreases car usage. C) It increases oxygen levels. D) It increases pizza consumption. Show Answer Correct Answer: A) It decreases biodiversity. 52. Emma, Liam, and Sophia are trying to understand the concept of 'Global Warming'. Can you help them? A) Global Warming is the increase in pizza consumption. B) Global Warming is the decrease in Earth's temperature. C) Global Warming is the increase in Earth's temperature. D) Global Warming is the decrease in car usage. Show Answer Correct Answer: C) Global Warming is the increase in Earth's temperature. 53. One way you can help on Earth Day is A) Listen to your parents. B) Taking a 30 minute shower. C) Taking your dog for a walk. D) Planting a garden or tree. Show Answer Correct Answer: D) Planting a garden or tree. ← PreviousRelated QuizzesIndian Culture QuizzesGeneral Knowledge QuizzesEarth Day Quiz 1Earth Day Quiz 2Earth Day Quiz 3Air Force Day QuizAmbedkar Jayanti QuizApril Fools Day QuizArmy Day QuizBaisakhi Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books