Human Organ System Class 7 MCQs 1. What are the two processes involved in respiration? Food conversion and energy release Carbon dioxide release and water absorption Inhalation and exhalation Breathing and gaseous exchange 2. Can you survive without food or water for one day? Yes, you can survive Not Possible No, you cannot survive None of them 3. What are the main organs of the respiratory system through which oxygen enters the body? Thoracic cavity All of them Diaphragm Ribcage 4. What is the function of the ribcage in the respiratory system? To control inhalation and exhalation To protect the delicate lungs To regulate the diffusion of gases To release carbon dioxide 5. What is the function of the diaphragm in the respiratory system? To regulate the diffusion of gases To protect the delicate lungs To release carbon dioxide To control inhalation and exhalation 6. What is the function of the thoracic cavity in the respiratory system? To protect the delicate lungs To control inhalation and exhalation To regulate the diffusion of gases To release carbon dioxide 7. What is gaseous exchange? The process of breathing The exchange of gases between the alveoli and blood capillaries The conversion of food into glucose The movement of oxygen and carbon dioxide in and out of the body 8. What is the diffusion process that occurs when oxygen enters the alveoli? Carbon dioxide leaves the body through the nostrils Carbon dioxide from the blood capillaries diffuses into the alveoli Oxygen from the atmosphere enters the alveoli Oxygen from the alveoli diffuses into the blood capillaries 9. What is the main cause of a common cold? Environmental pollution Pneumonia Tuberculosis Asthma 10. What is the primary treatment for a common cold? Surgery Symptomatic treatment Antibiotics Chemotherapy Loading … Pages: 1 2 3 4 5
