This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which organisms normally perform photosynthesis? A) Heterotrophs. B) Autotrophs. C) All organisms. D) Green things. Show Answer Correct Answer: B) Autotrophs. 2. High level of Carbon dioxide can be ..... for our body. A) Good. B) Bad. C) Healthy. D) Toxic. Show Answer Correct Answer: D) Toxic. 3. Which cellular organelle is responsible for manufacturing ATP? A) Ribosome. B) Nucleus. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: C) Mitochondria. 4. ..... cannot make their own food. A) Autotrophs. B) Heterotrophs. C) Organisms. D) Cells. Show Answer Correct Answer: B) Heterotrophs. 5. Are you all enjoying? A) Yes. B) No. C) Don"t ask. D) None. Show Answer Correct Answer: A) Yes. 6. Which part of the plant is referred as 'tiny holes'? A) Petals. B) Roots. C) Chloroplasts. D) Stomata. Show Answer Correct Answer: D) Stomata. 7. What is the waste energy from respiration given off as? A) Heat. B) Light. C) Sound. D) Kinetic. Show Answer Correct Answer: A) Heat. 8. The system that carries out the transport function in the human body is ..... A) Digestive system. B) Respiratory system. C) Circulatory system. D) Reproductive system. Show Answer Correct Answer: C) Circulatory system. 9. The small openings in the body of a cockroach are called ..... A) Holes. B) Tracks. C) Spiracles. D) Pores. Show Answer Correct Answer: C) Spiracles. 10. Which of the following organs are parts of human respiratory system?I. Pharynx II. Nostrils III. Gullet IV. Wind pipe V. Lungs A) II and V only. B) II, IV and V only. C) I, II, IV and V only. D) All of the above. Show Answer Correct Answer: C) I, II, IV and V only. 11. Primary organ of human respiratory system is: A) Lung. B) Liver. C) Heart. D) Pharynx. Show Answer Correct Answer: A) Lung. 12. The air entering the human respiratory system follows this routes A) Nose, bronchi, trachea. B) Nose, pharynx, larynx, trachea. C) Nose, pharynx, lungs, trachea. D) None of these. Show Answer Correct Answer: B) Nose, pharynx, larynx, trachea. 13. Trachea is also called A) Windpipe. B) Food pipe. C) Glucose. D) Capillaries. Show Answer Correct Answer: A) Windpipe. 14. What is the energy currency of cells produced during cellular respiration? A) ATP. B) NADH. C) GTP. D) ADP. Show Answer Correct Answer: A) ATP. 15. Each cell of an organisms performs certain functions such as ..... , ..... , ..... and ..... A) Transport, excretion and reproduction. B) Nutrition, transport and reproduction. C) Nutrition, transport, excretion and reproduction. D) None of the above. Show Answer Correct Answer: C) Nutrition, transport, excretion and reproduction. 16. Which way does the arrow point?? A) Energy to Organism. B) Organism to Energy. C) North. D) South. Show Answer Correct Answer: A) Energy to Organism. 17. Giving out of air rich in CO2 is known as ..... A) Inhalation. B) R. C) Breathing. D) None of the above. Show Answer Correct Answer: B) R. 18. How do fungi and bacteria respire? A) Cellular respiration. B) Fungi and bacteria do not respire at all. C) Anaerobic respiration. D) Aerobic respiration. Show Answer Correct Answer: D) Aerobic respiration. 19. Taking in of air rich in oxygen into the body A) Inhalation. B) Exhalation. C) All the above. D) None of the above. Show Answer Correct Answer: A) Inhalation. 20. Which of these does not require catalysts A) Anaerobic respiration. B) Breathing. C) Cellular respiration. D) Internal respiration. Show Answer Correct Answer: B) Breathing. 21. All living things, from one-celled organisms to humans, do not need energy to survive. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. Which animal do respiration through skin A) Grasshopper. B) Fish. C) Plants. D) Frog or earthworms. Show Answer Correct Answer: D) Frog or earthworms. 23. Which pigment is responsible for capturing sunlight in photosynthesis? A) Melanin. B) Hemoglobin. C) Carotene. D) Chlorophyll. Show Answer Correct Answer: D) Chlorophyll. 24. Breathing is ..... A) Breaking down food. B) Making noise. C) Inhaling and Exhaling Air. D) Producing energy from food. Show Answer Correct Answer: C) Inhaling and Exhaling Air. 25. Which of the following are the reactants of photosynthesis? A) O$_{2}$ + CO$_{2 }$+ Sunlight. B) H$_{2}$O + Glucose$_{ }$+ Sunlight. C) Atp + co $ _ {2} $. D) H$_{2}$O + CO$_{2 }$+ Sunlight. Show Answer Correct Answer: D) H$_{2}$O + CO$_{2 }$+ Sunlight. ← 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