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1.2 Number, size and scale

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Question 31
H

A well-mixed suspension has a volume of 2.0 cm3. It contains an estimated 6.0 × 107 cells.

A sample of 5.0 × 10-3 cm3 is removed.

Approximately how many cells remain in the suspension?

[1]
A

5.985×1075.985\times10^{7}5.985×107

B

1.500×1051.500\times10^{5}1.500×105

C

5.850×1075.850\times10^{7}5.850×107

D

5.970×1075.970\times10^{7}5.970×107

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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