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2.1 Cell division and growth

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Question 12
H

A doctor measured the head circumference of a baby girl from birth until she was 12 weeks old.

The Figure shows the results plotted on a percentile chart.

Figure image

a.

Calculate the percentage increase in the baby's head circumference from birth to 12 weeks.

Give your answer to one decimal place.

[2]
b.

The doctor is concerned about the growth of the baby's head.

Explain why. Use information from the Figure in your answer.

[3]
c.

Explain why a single measurement plotted on a percentile chart is less useful than several measurements taken over time.

[2]
Markscheme

2.1 Cell division and growth Questions

  1. GCSE
  2. /Biology
  3. /2.1 Cell division and growth

42 exam-style questions on Edexcel GCSE Biology 2.1 Cell division and growth, covering 2.1.1 Mitosis and the cell cycle, 2.1.2 Division producing identical daughter cells, 2.1.3 Cancer and uncontrolled cell division, 2.1.4 Growth in animals and plants, 2.1.5 Importance of cell differentiation, and 2.1.6 Percentile charts to monitor growth. Each one has a worked solution and a mark scheme showing where the marks go.

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