This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. There is a lot of energy stored in a molecule of glucose or in a molecule of ATP, and ths energy is referred to as A) Light energy. B) Chemical energy. C) Kinetic energy. D) Omega-energy. Show Answer Correct Answer: B) Chemical energy. 2. When glucose is broken down in the absence of Oxygen, it is called A) I. aerobic respiration. B) Ii. anaerobic respiration. C) Iii. both (i) and (ii). D) None of the above. Show Answer Correct Answer: B) Ii. anaerobic respiration. 3. Organisms that use the process of Cellular Respiration in their cells do this to: A) Digest their food, making it smaller and smaller. B) Make their own food by forming chemical bonds. C) Break down food (glucose) and unlock/release energy. D) Breathe in and out or inhale and exhale. Show Answer Correct Answer: C) Break down food (glucose) and unlock/release energy. 4. Why do mountaineers carry oxygen tanks with them? A) There is no air above 5 kilometres. B) The pressure of air is higher than that of the ground. C) The temperature of air is higher than that of the ground. D) The supply of oxygen is less than that of the ground. Show Answer Correct Answer: D) The supply of oxygen is less than that of the ground. 5. Name one organism that primarily uses aerobic respiration. A) Human. B) Dog. C) Cat. D) Goldfish. Show Answer Correct Answer: A) Human. 6. The percentage of carbon dioxide in inhaled air? A) 21%. B) 16.4%. C) 4.4%. D) 0.04%. Show Answer Correct Answer: D) 0.04%. 7. ..... is an example of a filamentous green algae. A) Laminaria. B) Chlamydomonas. C) Porphyra. D) Spirogyra. Show Answer Correct Answer: D) Spirogyra. 8. Identify all products of cell respiration? A) Glucose and Oxygen. B) Carbon Dioxide and Water. C) Carbon Dioxide, water and ATP. D) Oxygen, water, and Glucose. Show Answer Correct Answer: C) Carbon Dioxide, water and ATP. 9. Earthworm A) Gills. B) Skin. C) Trachea. D) Air spaces. Show Answer Correct Answer: B) Skin. 10. (Assertion)-Whenever a person needs extra energy, he/she breathes faster.(Reason)-it speeds up the breakdown of food and more energy is released. A) Both statements are correct and the reason is the correct explanation. B) Both statements are correct but the reason is not the correct explanation. C) Assertion is wrong and the reason is correct. D) Assertion is correct but the reason is wrong. Show Answer Correct Answer: A) Both statements are correct and the reason is the correct explanation. 11. ..... Carry oxygen-rich blood from the heart to all parts of the body. A) Veins. B) Arteries. C) Capillaries. D) None of the above. Show Answer Correct Answer: B) Arteries. 12. Cell Processes occur at all times. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. Product of photosynthesis are A) Carbon dioxide and glucose. B) Oxygen and glucose. C) Water and glucose. D) None of the above. Show Answer Correct Answer: B) Oxygen and glucose. 14. Cellular respiration occurs in A) Chloroplasts. B) Mitochondria. C) Golgi Aparatus. D) Thylakoid. Show Answer Correct Answer: B) Mitochondria. 15. In cactus, photosynthesis is carried out by the ..... A) Roots. B) Leaves. C) Stem. D) Spines. Show Answer Correct Answer: C) Stem. 16. A student exhales air through a straw into a test tube containing a liquid, which turns milky in appearance A) The liquid is liquid carbon dioxide. B) The liquid is lemon water. C) The liquid is a mix of water and lactic acid. D) The liquid is lime water. Show Answer Correct Answer: D) The liquid is lime water. 17. How do plants respire? A) Plants respire by converting sunlight into energy without any gas exchange. B) Plants do not respire; they only perform photosynthesis. C) Plants respire by absorbing carbon dioxide and releasing oxygen during photosynthesis. D) Plants respire by taking in oxygen and releasing carbon dioxide through cellular respiration. Show Answer Correct Answer: D) Plants respire by taking in oxygen and releasing carbon dioxide through cellular respiration. 18. Analyze the situation and answer the following:you want to make chole-bhature, while making the bhature you kept yeast for some hours how will the yeast respire? A) Anaerobic respiration. B) Aerobic respiration. C) Cellular respiration. D) None of these. Show Answer Correct Answer: A) Anaerobic respiration. 19. Chlorophyll A) Is a pigment. B) Is an orgenelle. C) Is a phase of mitosis. D) Is a form of energy. Show Answer Correct Answer: A) Is a pigment. 20. ..... Is an essential phenomenon for the survival of all the living organisms A) Clothes. B) Breathing. C) Cars. D) Jewellry. Show Answer Correct Answer: B) Breathing. 21. When we breathe air enters our body through a pair of openings called A) Lungs. B) Nostrils. C) Pharynx. D) Larynx. Show Answer Correct Answer: B) Nostrils. 22. Which is the most associated with the building and repair of cells, organelles, and tissues? A) Fiber. B) Lipid. C) Sugar. D) Protein. Show Answer Correct Answer: D) Protein. 23. Two examples of waste products that are eliminate from the cells during respiration are ..... A) Carbon dioxide and glucose. B) Carbon dioxide and water. C) Carbon dioxide and oxygen. D) Carbon dioxide and Carbon monoxide. Show Answer Correct Answer: B) Carbon dioxide and water. 24. Biotic means "living" A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Plants breathe through tiny pores in the leaves called- A) Leaf blade. B) Trachea. C) Pores. D) Stomata. Show Answer Correct Answer: D) Stomata. ← PreviousNext →Related QuizzesClass 7 Science Chapter 6 Respiration In Organisms Quiz 1Class 7 Science Chapter 6 Respiration In Organisms Quiz 2Class 7 Science Chapter 6 Respiration In Organisms Quiz 3Class 7 Science Chapter 6 Respiration In Organisms Quiz 4Class 7 Science Chapter 6 Respiration In Organisms Quiz 5Class 7 Science Chapter 6 Respiration In Organisms Quiz 6Class 7 Science Chapter 6 Respiration In Organisms Quiz 7Class 7 Science Chapter 6 Respiration In Organisms Quiz 8Class 7 Science Chapter 6 Respiration In Organisms Quiz 9Class 7 Science Chapter 6 Respiration In Organisms Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books