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1.2 Number, size and scale

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Question 34
H

A cell contains approximately 3.2 × 104 small structures, each with a mass of 4.0 × 10-18 g.

The cell has a total mass of 8.0 × 10-12 g.

What percentage of the cell mass is due to these structures?

[1]
A

0.16%

B

1.6%

C

16%

D

40%

Markscheme

1.2 Number, size and scale Questions

  1. GCSE
  2. /Biology
  3. /1.2 Number, size and scale

48 exam-style questions on Edexcel GCSE Biology 1.2 Number, size and scale, covering 1.2.1 Number, size and scale with estimations and 1.2.2 Quantitative units in relation to cells. Each one has a worked solution and a mark scheme showing where the marks go.

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