Paper 1 H - SAMPLE SET 1 Q11 Answers
11) Monoclonal antibodies are used to measure the levels of hormones in the blood.
Pregnant women produce the hormone HCG.
HCG is excreted in urine.
Figure 8 shows four pregnancy test strips.
Pregnant women produce the hormone HCG.
HCG is excreted in urine.
Figure 8 shows four pregnancy test strips.
11.1) Which test strip shows a negative test result? [1 mark]
Tick one box.
Tick one box.
11.2) Monoclonal antibodies are used for pregnancy testing.
Give one other use of monoclonal antibodies. [1 mark]
11.3) Figure 9 shows the parts of a pregnancy test strip.
Give one other use of monoclonal antibodies. [1 mark]
11.3) Figure 9 shows the parts of a pregnancy test strip.
The pregnancy test strip will show a positive test result when a woman is pregnant.
Explain how the pregnancy test strip works to show a positive result. [6 marks]
(Total for Question 11 = 8 marks)
Explain how the pregnancy test strip works to show a positive result. [6 marks]
(Total for Question 11 = 8 marks)
Answers
