Elevise
  • Home
  • GCSE Maths
  • Membership
Back to AQA CS Synergy Paper 2 Specimen (set 1) Home

Paper 2 H - SAMPLE SET 1 Q5

5) Humans can use different methods to produce animals and plants with desired characteristics.
​Figure 5 shows some different breeds of horse.
Picture
5.1) All breeds of horse are of the same species.
Suggest what you could do to show this. [2 marks]

5.2) Horse racing is an ancient sport.
Selective breeding has been used for centuries to produce racehorses.
Describe the steps involved in selective breeding to produce a racehorse. [3 marks]

Another way of producing organisms with desired characteristics is genetic engineering.
Bt cotton is a variety of cotton that has been genetically engineered to produce a poison.
The poison kills several different species of insect that feed on cotton plants.
The poison is naturally produced by a soil bacterium called Bacillus thuringiensis.

5.3) Describe how cotton plants can be genetically engineered to produce the Bt poison. [3 marks]

5.4) Describe the advantages and disadvantages of growing Bt cotton. [4 marks]

​​​​​​​​(Total for Question 5 = 12 marks)
Show Answers
Home
GCSE Maths
Membership
UNITED KINGDOM
INFO@ELEVISE.CO.UK
  • Home
  • GCSE Maths
  • Membership