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Cloning

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Question 29

In a survey, people of different ages were asked if they were in favor of or against plant cloning. The results of the survey are shown below:

  • Under 25: 18.0% In favor, 82.0% Against
  • 25 to 39: 24.5% In favor, 75.5% Against
  • 40 to 54: 32.0% In favor, 68.0% Against
  • 55 to 69: 37.5% In favor, 62.5% Against
  • 70 and over: 45.0% In favor, 55.0% Against
a.

Describe how you would plot a bar graph to show this data.

[4]
b.

Describe the relationship between age and support for plant cloning.

[1]
c.

In the 40 to 54 age group, 112 people are in favor of plant cloning. Calculate the total number of people surveyed in this age group. Show your working.

[2]
d.

Plants can be cloned using a method called micropropagation (tissue culture). Describe the process of cloning plants using micropropagation.

[5]

Cloning Questions

  1. IGCSE
  2. /Biology
  3. /Cloning