5 Genetics, control and homeostasis

Practice questions on Genetics, control and homeostasis

• A farmer notices that some of her sheep have black wool and some have white wool. Wool col… (5 marks, Explain)
• Golden rice is a genetically engineered crop plant that produces beta-carotene, a substanc… (5 marks, Explain)
• A fruit grower wants to produce large numbers of a new variety of strawberry plant that pr… (5 marks, Explain)
• A farmer wants to produce a large number of genetically identical prize-winning cattle qui… (5 marks, Explain)
• A biotechnology company has produced a genetically modified (GM) bacterium that contains a… (5 marks, Explain)
• A person eats a large meal containing a lot of sugar. Their blood glucose concentration ri… (5 marks, Explain)
• A marathon runner finishes a long race on a hot day. During the race, their body temperatu… (5 marks, Explain)
• A student reads that the kidneys filter the blood and then selectively reabsorb useful sub… (5 marks, Explain)
• A doctor is testing a patient's nervous system. The doctor taps the patient's knee with a … (5 marks, Explain)
• A woman is trying to become pregnant. Her doctor explains that hormones control the monthl… (5 marks, Explain)
• A athlete is preparing for a marathon. During training, their blood glucose levels drop si… (5 marks, Explain)
• A teenager is diagnosed with Type 1 diabetes. Their pancreas no longer produces insulin. E… (5 marks, Explain)
• A doctor is investigating a patient who has unusually high blood glucose levels throughout… (5 marks, Explain)
• A student is learning about hormonal communication in the human body. Explain how a hormon… (5 marks, Explain)
• A cyclist is riding along a path when a dog suddenly runs in front of them. The cyclist se… (5 marks, Explain)
• A student is studying how the nervous system coordinates a response. They learn that when … (5 marks, Explain)
• A student is investigating how the body maintains a stable internal environment. Explain h… (5 marks, Explain)
• A sprinter is waiting for the starting pistol to fire at the beginning of a race. When the… (5 marks, Explain)
• A student touches a hot surface and quickly pulls their hand away before feeling pain. Exp… (5 marks, Explain)
• A biology teacher explains to a class that carbon dioxide and urea are both waste products… (5 marks, Explain)