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OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER £8.67   Add to cart

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OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER

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Oxford Cambridge and RSA Friday 20 May 2022 – Afternoon AS Level Biology A H020/01 Breadth in biology • Read each question carefully before you start your answer. © OCR 2022 [601/4261/3] DC (ST/SG) /4 OCR...

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  • June 24, 2023
  • 45
  • 2022/2023
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OCR AS LEVEL JUNE 2022 BIOLOGY
A PAPER 1 QUESTION PAPER

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Oxford Cambridge and RSA


Friday 20 May 2022 – Afternoon
AS Level Biology A
H020/01 Breadth in biology
7
*
6
9
7
0
*
7
1
5
0
4




• Read each question carefully before you start your answer.


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© OCR 2022 OCR is an exempt
[601/4261/3] DC Charity Turn over
(ST/SG) 301080/4




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2
SECTION A

You should spend a maximum of 25 minutes on this

section. Write your answer for each question in the box

provided.

Answer all the questions.


1 The graph below shows the results of an osmosis experiment investigating the effect
of changing the concentration of sodium chloride (NaCl) on mass of potatoes.

10

5
Percentage
change in
0.1 0.2 0.3 0.4 0.5 0.6
0 mass
NaCl
– concentration
5 (mol dm–3)


10


Which concentration of NaCl causes equal movement of water into and out of the
potato?

A 0.36 mol dm–

3
B 0.40 mol

dm–3 C 0.42

mol dm–3 D

0.62 mol dm–3


Your answer [1]




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