4 Energy, exercise and coordination

Practice questions on Energy, exercise and coordination

• A long-distance cyclist completes a 120 km race. For most of the race the cyclist maintain… (5 marks, Explain)
• A group of students investigated anaerobic respiration in yeast. They placed yeast and glu… (5 marks, Explain)
• A weightlifter performs a series of heavy lifts in quick succession. During the first few … (5 marks, Explain)
• A student is performing repeated bicep curls in a gym. During the first few repetitions, o… (5 marks, Explain)
• During a long-distance cycling race, a competitor's muscles must sustain contraction for s… (5 marks, Explain)
• Describe the pathway of a reflex arc from the moment a stimulus is detected to the moment … (5 marks, Describe)
• A person is walking barefoot on a beach and steps onto a sharp shell. Nerve impulses trave… (5 marks, Explain)
• A doctor tests a patient's knee-jerk reflex by tapping the tendon just below the kneecap. … (5 marks, Explain)
• A student is working in a laboratory and accidentally knocks a glass beaker. Without think… (5 marks, Explain)
• A person is sitting in a quiet room when a loud sound is made behind them. Explain how the… (5 marks, Explain)
• A person is involved in a road accident and suffers damage to the retina of one eye. Expla… (5 marks, Explain)
• Explain how the hormone adrenaline prepares the body for a 'fight or flight' response duri… (5 marks, Explain)
• A student suggests that homeostasis is only needed when a person is exercising. Evaluate t… (5 marks, Evaluate)
• A person with type 1 diabetes does not produce insulin. They inject insulin before eating … (5 marks, Explain)
• A patient is diagnosed with type 2 diabetes. Unlike type 1 diabetes, the patient still pro… (5 marks, Explain)
• Homeostasis is the maintenance of a constant internal environment. Explain why it is impor… (5 marks, Explain)
• The human body constantly monitors and adjusts its internal conditions. Describe how the b… (5 marks, Describe and Explain)
• A patient with type 1 diabetes cannot produce insulin. Explain how insulin normally contro… (5 marks, Explain)
• A gardener notices that shoots of a climbing plant always grow towards the light coming th… (5 marks, Explain)
• A farmer grows a crop of sunflowers in a large open field. During the growing season, the … (5 marks, Explain)