This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of energy is transferred in food chains? A) Potential. B) Mechanical. C) Chemical. D) Kinetic. Show Answer Correct Answer: C) Chemical. 2. Increased physical activity A) I. increases the rate of breathing, decreases the need for oxygen. B) Ii. decreases the rate of breathingdecreases the need for oxygen. C) Iii. increases the rate of breathing, increases the need for oxygen. D) Iv. decreases the rate of breathing, increases the need for oxygen. Show Answer Correct Answer: C) Iii. increases the rate of breathing, increases the need for oxygen. 3. Our respiratory system helps us get our air rich in ..... A) Carbon dioxide. B) Oxygen. C) Both. D) None. Show Answer Correct Answer: A) Carbon dioxide. 4. The role of the stomata in leaves is to: A) Allow gases to enter and exit the leaf. B) Conserve water by closing during times when too much water can transpire. C) Open when it rains so water can be taken in. D) A and B only. E) A and C only. Show Answer Correct Answer: D) A and B only. 5. Glycolysis process occurs in which part of the cell? A) Cytoplasm. B) Nucleus. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: A) Cytoplasm. 6. Skeletal structures surrounding chest cavity A) Lungs. B) Heart. C) Tracheae. D) Ribs. Show Answer Correct Answer: D) Ribs. 7. Process that converts light energy to chemical energy ..... A) Photosynthesis. B) Heterotroph. C) Autotroph. D) Hypothesis. Show Answer Correct Answer: A) Photosynthesis. 8. Tiny pores on the surface of leaf called? A) Stomata. B) Roots. C) Stem. D) Xylem. Show Answer Correct Answer: A) Stomata. 9. What happens to matter and energy as they go through the process of photosynthesis? A) Both are lost. B) Both are conserved. C) Matter is lost, energy is conserved. D) Energy is lost, matter is conserved. Show Answer Correct Answer: B) Both are conserved. 10. Photosynthesis is used to: A) Store energy from food. B) Store energy from water. C) Store energy from sunlight. D) Store energy from carbon dioxide. Show Answer Correct Answer: C) Store energy from sunlight. 11. One molecule given off by plants during photosynthesis is A) Carbon dioxide. B) Water. C) Oxygen. D) Mitochondria. Show Answer Correct Answer: C) Oxygen. 12. What are the smaller units by which all matter is composed of? A) Molecules. B) Atoms. C) All the above. D) None of the above. Show Answer Correct Answer: B) Atoms. 13. What are muscle cramp?? A) Pain in hand. B) Pain in leg. C) Pain in muscle. D) Pain in head. Show Answer Correct Answer: C) Pain in muscle. 14. What is the energy organelle? A) Nucleus. B) Mitochondria. C) Ribosomes. D) None of the above. Show Answer Correct Answer: B) Mitochondria. 15. The process that involves The breakdown of food which take place in the ..... alled anaerobic respiration. A) Presence of oxygen. B) Absence of oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: B) Absence of oxygen. 16. When we inhale air, it passes through our nostrils into the ..... cavity A) NASAL. B) BASAL. C) All the above. D) None of the above. Show Answer Correct Answer: A) NASAL. 17. One of the materials needed for photosynthesis is A) Oxygen. B) Glucose. C) Carbon dioxide. D) Mitochondria. Show Answer Correct Answer: C) Carbon dioxide. 18. In which of the following activity, breathing rate would be fastest? A) Studying. B) Talking. C) Running. D) Standing. Show Answer Correct Answer: C) Running. 19. The ..... is the dome shaped muscle below the lungs A) Diaphragm. B) Rib. C) Alveoli. D) Trachea. Show Answer Correct Answer: A) Diaphragm. 20. The end product of Anaerobic respiration A) CO2 and H2O + 38 ATP. B) CO2 and ethanol + 2ATP. C) CO2 and Glucose. D) CO2 + H20 + 2 ATP. Show Answer Correct Answer: B) CO2 and ethanol + 2ATP. 21. When air is blown from mouth into test tube containing lime water, the lime water turns milky due to presence of? A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Water vapour. Show Answer Correct Answer: B) Carbon dioxide. 22. Which of the following refers to the role an organism plays in its environment? A) Ecology. B) Niche. C) Community. D) Population. Show Answer Correct Answer: B) Niche. 23. How do plants perform respiration differently from animals? A) Animals can perform photosynthesis like plants do. B) Plants only perform photosynthesis and do not respire. C) Plants and animals both rely solely on photosynthesis for energy. D) Plants perform respiration using cellular respiration and also engage in photosynthesis, while animals rely solely on respiration. Show Answer Correct Answer: D) Plants perform respiration using cellular respiration and also engage in photosynthesis, while animals rely solely on respiration. 24. What is the sugar that carbs are broken down to? A) Sucrose. B) Maltose. C) Glucose. D) Lactose. Show Answer Correct Answer: C) Glucose. 25. The openings through which we inhale? A) Nostrils. B) Spiracles. C) Tracheae. D) Gills. Show Answer Correct Answer: A) Nostrils. ← 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