This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. According to the five kingdom classification, the kingdoms are( in proper order): A) Protista, Monera, plants, mushrooms, animals. B) MONERA, PROTISTA, Fungi, plants, animals. C) MONERA, fungi, protein, plants, animals. D) MONERA, plants, protest, mushrooms, animals. Show Answer Correct Answer: B) MONERA, PROTISTA, Fungi, plants, animals. 2. What is the chemical equation for cellular respiration? A) Glucose + Oxygen $\rightarrow$ Carbon dioxide + Water + Energy. B) Oxygen + Carbon dioxide + Energy $\rightarrow$ Glucose + Water. C) Carbon dioxide + Glucose $\rightarrow$ Oxygen + Water + Energy. D) Water + Carbon dioxide + Energy $\rightarrow$ Oxygen + Glucose. Show Answer Correct Answer: A) Glucose + Oxygen $\rightarrow$ Carbon dioxide + Water + Energy. 3. Ramesh did a heavy exercise continuously for 3 hours, and then after sometime, he experienced muscle cramps. What could be the reason for experiencing cramps in muscles? A) Temporary deficiency of oxygen in muscle cells. B) Permanent deficiency of oxygen in muscle cells. C) Temporary deficiency of carbon dioxide in muscle cells. D) Permanent deficiency of carbons oxide in muscle cells. Show Answer Correct Answer: A) Temporary deficiency of oxygen in muscle cells. 4. Giving out of air rich in carbon dioxide A) Inhalation. B) Exhalation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Exhalation. 5. During inhalation diaphragm moves A) Down. B) Left. C) Right. D) Up. Show Answer Correct Answer: A) Down. 6. About breathing rate? A) None of theseb. B) The number of times a person breathes in a minute is termed as its breathing rate. C) The number of times a person breathes in an hour is termed as its breathing rate. D) All of the above. Show Answer Correct Answer: B) The number of times a person breathes in a minute is termed as its breathing rate. 7. Which system carried the gases around your body? A) Circulatory system. B) Skeletal System. C) Digestive System. D) None of the above. Show Answer Correct Answer: A) Circulatory system. 8. When an organism breaks down food, the atoms get rearranged into different molecules. When the atoms get rearranged, what is released? A) Energy. B) Water. C) Glucose. D) Oxygen. Show Answer Correct Answer: A) Energy. 9. During which process is the energy released? A) Photosynthesis. B) Respiration. C) Circulation. D) None of the above. Show Answer Correct Answer: B) Respiration. 10. Scientists are studying photosynthesis in a desert ecosystem that has plants, animals, and decomposers (which consume dead things). Which group or groups of organisms in the desert carry out photosynthesis? A) Plants. B) Plants and decomposers. C) All organisms in the desert. D) Animals and decomposers. Show Answer Correct Answer: A) Plants. 11. Yeasts are single-celled organisms. They respire anaerobically and during this process yield alcohol. They are, therefore, used to make ..... AND ..... A) BEER. B) RED WINE. C) BOTH OF THESE. D) None of the above. Show Answer Correct Answer: C) BOTH OF THESE. 12. Which statement accurately describes an interaction between plants and animals? A) Animals release CO2, required for photosynthesis. B) Animals release O2, required for plant survival. C) Plants provide humans with atmospheric nitrogen. D) Plants provide humans with CO2 for respiration. Show Answer Correct Answer: A) Animals release CO2, required for photosynthesis. 13. 4Respiration is a ..... process while breathing is a ..... process A) Physical, chemical. B) Chemical, chemical. C) Physical, physical. D) Chemical, physical. Show Answer Correct Answer: D) Chemical, physical. 14. What is the function of alveoli in the lungs? A) To produce mucus for lubrication in the lungs. B) To filter out dust and particles from the air. C) To store oxygen for later use. D) The function of alveoli in the lungs is to enable gas exchange between the air and the bloodstream. Show Answer Correct Answer: D) The function of alveoli in the lungs is to enable gas exchange between the air and the bloodstream. 15. During inhalation, our lungs expand and then come back to the original state as the air moves out during ..... A) INHALATION. B) EXHALATION. C) All the above. D) None of the above. Show Answer Correct Answer: B) EXHALATION. 16. Define anaerobic respiration. A) Anaerobic respiration occurs only in plants during photosynthesis. B) Anaerobic respiration requires oxygen to produce energy. C) Anaerobic respiration is the process of breathing without air. D) Anaerobic respiration is the process of producing energy without oxygen. Show Answer Correct Answer: D) Anaerobic respiration is the process of producing energy without oxygen. 17. Average breathing rate in a new born baby A) 25 times. B) 18 times. C) 12 times. D) 60 times. Show Answer Correct Answer: D) 60 times. 18. Which item listed is NOT produced in the process of cellular respiration? A) Carbon dioxide. B) Glucose. C) Water. D) Energy in the form of ATP. Show Answer Correct Answer: B) Glucose. 19. Differentiate between aerobic and anaerobic respiration. A) Aerobic respiration produces more energy than anaerobic respiration. B) Aerobic respiration requires oxygen, while anaerobic respiration does not require oxygen. C) Aerobic respiration occurs in the absence of glucose, while anaerobic respiration occurs in the presence of glucose. D) Aerobic respiration requires carbon dioxide, while anaerobic respiration requires oxygen. Show Answer Correct Answer: B) Aerobic respiration requires oxygen, while anaerobic respiration does not require oxygen. 20. A series of chemical reactions that convert light energy, water, and CO2 into glucose and oxygen. A) Chlorophyll. B) Chloroplast. C) Photosynthesis. D) ATP. Show Answer Correct Answer: C) Photosynthesis. 21. How would you describe the texture of "sandy" soil? A) Sticky. B) Gritty. C) Smooth. D) Slimy. Show Answer Correct Answer: B) Gritty. 22. Which of the following is an amphibian? A) Man. B) Bird. C) Fish. D) Crocodile. Show Answer Correct Answer: D) Crocodile. 23. Trachea divides into two ..... , that divides into bronchioles before entering alveoli A) Larynx. B) Oesophagus. C) Bronchi. D) None of the above. Show Answer Correct Answer: C) Bronchi. 24. These structures are connected to the birds lungs to help supply them with necessary oxygen. A) Quills. B) Alveoli. C) Air sacs. D) None of the above. Show Answer Correct Answer: C) Air sacs. 25. Organisms that obtain energy from other organisms are: A) Autotrophs. B) Heterotrophs. C) All the above. D) None of the above. Show Answer Correct Answer: B) Heterotrophs. ← 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