This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... and carbon dioxide are the products of cellular respiration that are also the materials that will start photosynthesis. A) Oxygen. B) Water. C) Sugar. D) None of the above. Show Answer Correct Answer: B) Water. 2. The breakdown of glucose into carbon dioxide and water in the presence of oxygen is called: A) Anaerobic Respiration. B) Aerobic Respiration. C) Breathing. D) Transpiration. Show Answer Correct Answer: B) Aerobic Respiration. 3. During which process diaphragm moves downwards. A) Inhalation. B) Exercise. C) Respiration. D) Exhalation. Show Answer Correct Answer: A) Inhalation. 4. Organisms which respire in absence of air are called- A) Microbes. B) Anaerobes. C) Aerobes. D) None of these. Show Answer Correct Answer: B) Anaerobes. 5. Which of the following terms is also called anaerobic respiration? A) Imbibition. B) Transpiration. C) Fermentation. D) Transportation. Show Answer Correct Answer: C) Fermentation. 6. How does the structure of the leaf in plants facilitate gaseous exchange? A) Through small openings called stomata. B) By releasing oxygen into the air. C) Through the roots. D) By absorbing sunlight. Show Answer Correct Answer: A) Through small openings called stomata. 7. The blood brings ..... a ..... from the rest of the body for release into the alveoli, and the ..... b ..... present in alveoli is taken up by blood to be transported to all parts of the body. A) A-oxygen, b-carbon dioxide. B) A-carbon dioxide, b-oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: B) A-carbon dioxide, b-oxygen. 8. Cellular Respiration's goal is to A) Make water. B) Make ATP (energy). C) Make glucose. D) Make oxygen. Show Answer Correct Answer: B) Make ATP (energy). 9. What happens in the process of respiration? A) Gaseous exchange. B) Oxygen Becomes CO2. C) Glucose is broken down into energy. D) Nothing happens. Show Answer Correct Answer: C) Glucose is broken down into energy. 10. Spiracles on the body of insect are connected to a network of thin air tubes called A) Lungs. B) Tracheae. C) Gills. D) Blow holes. Show Answer Correct Answer: B) Tracheae. 11. How do plants release oxygen during photosynthesis? A) Through the process of combustion. B) Through the process of fermentation. C) Through the process of dehydration. D) Through the process of photolysis. Show Answer Correct Answer: D) Through the process of photolysis. 12. Name one heterotroph organism A) Dog. B) Lion. C) Cat. D) Jar. Show Answer Correct Answer: A) Dog. 13. What is the main site of gaseous exchange in humans? A) Lungs. B) Stomach. C) Kidneys. D) Liver. Show Answer Correct Answer: A) Lungs. 14. One molecule produced by animals during cellular respiration is A) Carbon dioxide. B) Glucose. C) Oxygen. D) Chlorophyll. Show Answer Correct Answer: A) Carbon dioxide. 15. Which of the following structures is supported by cartilage? A) Aorta. B) Oesophagus. C) Bronchus. D) Vena cava. Show Answer Correct Answer: C) Bronchus. 16. Path followed by exhaled air is- A) Nostrils$\rightarrow$windpipe$\rightarrow$ lungs. B) Lungs$\rightarrow$ Nostrils$\rightarrow$ windpipe. C) Nostril $\rightarrow$ lungs $\rightarrow$ windpipe. D) Lungs $\rightarrow$ windpipe $\rightarrow$ nostrils. Show Answer Correct Answer: D) Lungs $\rightarrow$ windpipe $\rightarrow$ nostrils. 17. Lactose is converted into Lactic acid by ..... A) Aspergillus. B) Acetobacter. C) Penicillium. D) Lactobacillus. Show Answer Correct Answer: D) Lactobacillus. 18. The animals that prey on other animals are known as ..... A) Parasites. B) Herbivores. C) Predators. D) Autotrophs. Show Answer Correct Answer: C) Predators. 19. What are the inputs (what goes in) of cellular respiration? A) Amino acids. B) Carbon dioxide and water. C) Glucose (sugar) and oxygen. D) Adenosine triphosphate. Show Answer Correct Answer: C) Glucose (sugar) and oxygen. 20. Which of the following is correct about photosynthesis? A) Occur during day and night. B) Use oxygen (Oxygen in). C) Produce water. D) Use carbon dioxide (Carbon dioxide in). Show Answer Correct Answer: D) Use carbon dioxide (Carbon dioxide in). 21. Which of these organisms have skin as respiratory organ? A) Cockroaches. B) Earthworms. C) Fishes. D) Rabbits. Show Answer Correct Answer: B) Earthworms. 22. Human cells need energy to survive. From which source does this energy originally come? A) Algae. B) Animals. C) Plants. D) Sunlight. Show Answer Correct Answer: D) Sunlight. 23. We smell food being cooked in the kitchen. This is an example which shows that A) Living things grow. B) Living things need food. C) Living things feel. D) Living things reproduce. Show Answer Correct Answer: C) Living things feel. 24. Which best describes the primary function of carbohydrates in an animal cell? A) To provide cellular energy. B) To store cellular information. C) To store energy within the cell. D) To provide structure to the cell membrane. Show Answer Correct Answer: A) To provide cellular energy. 25. During cellular respiration, energy is released from food. What else does the cell need for this process to take place. A) Carbon dioxide. B) Oxygen. C) Sunlight. D) Nitrogen. Show Answer Correct Answer: B) Oxygen. ← 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