2 Cells, chemicals for life, transport and gas exchange

Practice questions on Cells, chemicals for life, transport and gas exchange

• A student is researching how plant cells become specialised. They learn that meristematic … (5 marks, Explain)
• A muscle cell and a root hair cell are both specialised cells found in living organisms. E… (5 marks, Explain)
• A sports drink company claims that their product contains glucose, amino acids and mineral… (5 marks, Explain)
• A scientist is comparing embryonic stem cells and adult stem cells for use in treating pat… (5 marks, Explain)
• A student is investigating the relationship between diet and health. Explain how an unbala… (5 marks, Explain)
• A school nurse is reviewing the health records of students at a secondary school. She noti… (5 marks, Describe)
• A doctor explains to a patient that red blood cells are highly specialised cells. Describe… (5 marks, Describe)
• A patient is diagnosed with a faulty valve in their heart. Explain how the double circulat… (5 marks, Explain)
• A leaf is a gas exchange surface in plants. Explain how the structure of a leaf is adapted… (5 marks, Explain)
• A fish obtains oxygen from water by passing water over its gills. Explain how the gills of… (5 marks, Explain)
• A marathon runner's heart adapts over years of training, becoming larger and able to pump … (5 marks, Explain)
• A child is born with a condition called anaemia, in which their blood contains fewer red b… (5 marks, Explain)
• A scientist is studying how plants transport substances around their bodies. Explain how t… (5 marks, Explain)
• A sperm cell is a specialised animal cell. Describe how the structure of a sperm cell is r… (5 marks, Describe and Explain)
• A diver surfaces too quickly from a deep-sea dive. Paramedics suspect the diver's blood is… (5 marks, Explain)
• A person is rushed to hospital after collapsing. Doctors find that a blockage in a coronar… (5 marks, Explain)
• A marathon runner breathes faster and more deeply during a race than when resting. Explain… (5 marks, Explain)
• A student compares gas exchange in a single-celled organism, such as an amoeba, with gas e… (5 marks, Explain)
• A sports nutrition company claims that athletes need to increase their intake of protein, … (5 marks, Explain)
• Explain how the structure of the alveoli is adapted to allow efficient gas exchange in the… (5 marks, Explain)