Describe how water moves from the roots to the leaves in a plant.
From Biology 2, Higher
33 marks
Explain how auxin causes a shoot to grow towards light.
From Biology 2, Higher
146 marks
Describe a method to investigate the effect of light intensity on the rate of photosynthesis in pondweed.
From Biology 2, Higher
153 marks
In a potometer, the air bubble moved 3.6 cm in 12 minutes. The capillary tube has a radius of 0.5 mm. Calculate the rate of water uptake in mm³ per minute.
From Biology 2, Higher
163 marks
Describe three uses of plant hormones in agriculture or horticulture.
Score 0 / 21 · 0 of 6 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.