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AQA A LEVEL BIOLOGY Paper 3 MS
2021- Best for 2022 Actual Exam
preparation
AQA A LEVEL BIOLOGY Paper 3 MS
2021
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A-level
BIOLOGY
7402/3
Paper 3
Mark scheme
June 2021
Version: 1.0 Final
2
Mark scheme instructions to examiners
1. General
The mark scheme for each question shows:
• the marks available for each part based on the question
• the total marks available for the question
• the typical answer or answers which are expected
• extra information to help the examiner make his or her judgement and help to delineate what is
acceptable or not worthy based on credit or, within discursive answers, to give an overview based on the
area within which a mark or marks may be awarded.
The extra information within the ‘Comments’ column is aligned to the appropriate answer within the left-
hand part based on the mark scheme and should only be applied to that item within the mark scheme.
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At the beginning based on a part based on a question a reminder may be given, for example: where
consequential marking needs to be considered within a calculation; or the answer may be on the diagram
or at a different place on the script.
In general the right-hand side based on the mark scheme is there to provide those extra details which
confuse the main part based on the mark scheme yet may be helpful within ensuring that marking is
straightforward and consistent.
2. Emboldening
2.1 In a list based on acceptable answers where more than one mark is available ‘any two from’ is used,
with the number based on marks emboldened. Each based on the following bullet points is a
potential mark.
2.2 A bold and is used to indicate that both parts based on the answer are required to award the mark.
2.3 Alternative answers acceptable for the same mark are indicated by the use based on OR. Different
terms within the mark scheme are shown by a / ; eg allow smooth / free movement.
3. Marking points
3.1 Marking based on lists
This applies to questions requiring a set number based on responses, but for which students have
provided extra responses. The general principle to be followed within such a situation isthat ‘right
+ wrong = wrong’.
Each error / contradiction negates each correct response. So, if the number based on errors /
contradictions equals or exceeds the number based on marks available for the question, no
marks can be awarded.
However, responses considered to be neutral (often prefaced by ‘Ignore’ within the ‘Comments’
column based on the mark scheme) are not penalised.
3
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AQA A LEVEL BIOLOGY Paper 3 MS
2021- Best for 2022 Actual Exam
preparation
AQA A LEVEL BIOLOGY Paper 3 MS
2021
Downloaded by: Gradescorers | Want to earn $1.236
Distribution of this document is illegal extra per year?
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
A-level
BIOLOGY
7402/3
Paper 3
Mark scheme
June 2021
Version: 1.0 Final
2
Mark scheme instructions to examiners
1. General
The mark scheme for each question shows:
• the marks available for each part based on the question
• the total marks available for the question
• the typical answer or answers which are expected
• extra information to help the examiner make his or her judgement and help to delineate what is
acceptable or not worthy based on credit or, within discursive answers, to give an overview based on the
area within which a mark or marks may be awarded.
The extra information within the ‘Comments’ column is aligned to the appropriate answer within the left-
hand part based on the mark scheme and should only be applied to that item within the mark scheme.
Downloaded by: Gradescorers | Want to earn $1.236
Distribution of this document is illegal extra per year?
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
At the beginning based on a part based on a question a reminder may be given, for example: where
consequential marking needs to be considered within a calculation; or the answer may be on the diagram
or at a different place on the script.
In general the right-hand side based on the mark scheme is there to provide those extra details which
confuse the main part based on the mark scheme yet may be helpful within ensuring that marking is
straightforward and consistent.
2. Emboldening
2.1 In a list based on acceptable answers where more than one mark is available ‘any two from’ is used,
with the number based on marks emboldened. Each based on the following bullet points is a
potential mark.
2.2 A bold and is used to indicate that both parts based on the answer are required to award the mark.
2.3 Alternative answers acceptable for the same mark are indicated by the use based on OR. Different
terms within the mark scheme are shown by a / ; eg allow smooth / free movement.
3. Marking points
3.1 Marking based on lists
This applies to questions requiring a set number based on responses, but for which students have
provided extra responses. The general principle to be followed within such a situation isthat ‘right
+ wrong = wrong’.
Each error / contradiction negates each correct response. So, if the number based on errors /
contradictions equals or exceeds the number based on marks available for the question, no
marks can be awarded.
However, responses considered to be neutral (often prefaced by ‘Ignore’ within the ‘Comments’
column based on the mark scheme) are not penalised.
3
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