Name one type of microorganism that causes disease in humans - AQA - GCSE Biology - Question 3 - 2020 - Paper 1
Question 3
Name one type of microorganism that causes disease in humans.
Do not refer to viruses in your answer.
Which two defence systems prevent microorganisms infecting the... show full transcript
Worked Solution & Example Answer:Name one type of microorganism that causes disease in humans - AQA - GCSE Biology - Question 3 - 2020 - Paper 1
Step 1
Name one type of microorganism that causes disease in humans.
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Answer
One example of a microorganism that causes disease in humans is bacteria.
Step 2
Which two defence systems prevent microorganisms infecting the human body? Tick (✓) two boxes.
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Answer
The two defence systems that prevent microorganisms from infecting the human body are:
Hydrochloric acid is produced by the stomach.
The skin is a barrier covering the whole body.
Step 3
How does the immune system destroy microorganisms? Tick (✓) one box.
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Answer
The immune system destroys microorganisms by allowing white blood cells to engulf the microorganisms.
Step 4
What was the range for the days on which children first showed chickenpox spots? Use Table 1.
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From day 10 to day 18.
Step 5
Suggest the most likely incubation time for chickenpox.
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Incubation time = 14 days.
Step 6
Suggest one reason why some of the children did not develop chickenpox.
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Some of the children may have been vaccinated against chickenpox.
Step 7
Suggest why this child did not recover more quickly than the other children who had chickenpox.
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Answer
Antibiotics do not work on viruses, so the child with chickenpox did not recover more quickly.
