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2.2 The challenges of size

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Question 21
F

A student measures the mass of a potted plant.

The student leaves the plant in a sunny room for 24 hours and then measures its mass again.

The table shows the student's results.

Table

Time in hoursMass of plant in g\text{g}g
0250.0
24235.0

What is the percentage loss in mass of the plant?

[1]
A

6.4%6.4\%6.4%

B

6.0%6.0\%6.0%

C

15%15\%15%

D

94%94\%94%

Markscheme

2.2 The challenges of size Questions

  1. GCSE
  2. /Biology
  3. /2.2 The challenges of size

114 exam-style questions on OCR GCSE Biology 2.2 The challenges of size, covering 2.2.1 Exchange surfaces and surface area : volume ratio, 2.2.2 Substances transported in organisms, 2.2.3 The human circulatory system, 2.2.4 The heart and blood vessels, 2.2.5 Red blood cells and plasma, 2.2.6 Uptake of water and mineral ions by plants, 2.2.7 Transpiration and translocation, 2.2.8 Xylem and phloem, 2.2.9 Environmental factors and water uptake, and 2.2.10 Using a potometer. Each one has a worked solution and a mark scheme showing where the marks go.

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