Biology · May / June 2020 · Paper 22 · Question 5
5090
As printed in the paper
The question as text
The diagram shows the human breathing system. Y X The photomicrographs below show further details of the two components labelled X and Y, from the breathing system of a non-smoker seen using a light microscope. A B magnification of X magnification of Y
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Show the answer and mark scheme
5(a)(i)[1]
5(a)(ii)[2]
5(b)(i)[1]
5(b)(ii)[4]
5(b)(iii)[2]
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