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Biology HL: Frequency of chapter questions in Section A 2011-2020

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Frequency of questions in Section A: Exam papers 2011-2020
Chapter
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
2020
X
2019
X
2018
2017
2016
2015
2014
2013
2012
2011
FREQ
2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
10
8
X
X
1
2
X
X
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
1
1
1
4
1
1
1
X
2
X
1
4
X
X
3
3
7
1
1
2
2
1
1
1
1
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