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Cloning

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Question 21

In a survey on the future of agriculture, individuals across different age groups were asked whether they believed the mass cultivation of cloned crop plants is beneficial or not beneficial for local food security. The results of the survey are shown below:

  • 18 to 25: 75.0% Beneficial, 25.0% Not beneficial
  • 26 to 35: 68.0% Beneficial, 32.0% Not beneficial
  • 36 to 45: 55.5% Beneficial, 44.5% Not beneficial
  • 46 to 55: 42.0% Beneficial, 58.0% Not beneficial
  • Over 55: 28.5% Beneficial, 71.5% Not beneficial
a.

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

[3]
b.

Describe the relationship between age and the opinion on whether the cultivation of cloned crop plants is beneficial.

[1]
c.

In the 46 to 55 age group, 63 people think that the cultivation of cloned crop plants is beneficial. Calculate the total number of people surveyed in this age group. Show your working.

[2]
d.

These cloned crops can be produced on a large scale using micropropagation (tissue culture). Describe the biological process of cloning plants using micropropagation.

[5]

Cloning Questions

  1. IGCSE
  2. /Biology
  3. /Cloning