From Paper 3, Higher
Calculate the surface area to volume ratio of a cube of side 3 cm.
From Paper 3, Higher
Explain why plant meristem tissue is useful for cloning plants.
From Paper 3, Higher
Which blood component helps blood to clot?
From Paper 3, Higher
Explain how temperature, humidity and wind affect the rate of transpiration.
From Paper 3, Higher
Which process moves water across a partially permeable membrane?
From Paper 3, Higher
Explain what is meant by cell differentiation.
From Paper 3, Higher
Describe the structure of the heart and explain how it pumps blood around the body.
From Paper 3, Higher
Describe the function of three tissues in a leaf.
From Paper 3, Higher
Describe a method to investigate the effect of sugar concentration on osmosis in potato tissue.
From Paper 3, Higher
Explain how red blood cells are adapted to carry oxygen.
From Paper 3, Higher
Explain why plants need nitrate and magnesium ions.
From Paper 3, Higher
Explain why single-celled organisms do not need a transport system but large multicellular organisms do.
From Paper 3, Higher
Explain how faulty heart valves affect a person and one treatment.
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This paper is written by Plasmo in the style of the OCR GCSE Biology exam. It is not a past paper and is not produced or endorsed by the exam board.