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2.1 Supplying the cell

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Question 9

A sample of cauliflower tissue gains water by osmosis when it is left in a dilute solution. When it is reweighed, its mass is 5.25 g, which is 25% more than its mass at the start.

What was the initial mass of the cauliflower tissue?

[1]
A

4.20 g4.20\ \text{g}4.20 g

B

6.56 g6.56\ \text{g}6.56 g

C

3.94 g3.94\ \text{g}3.94 g

D

5.00 g5.00\ \text{g}5.00 g

Markscheme

2.1 Supplying the cell Questions

  1. GCSE
  2. /Biology
  3. /2.1 Supplying the cell

194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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