AQA A LEVEL CHEMISTRY PAPER 3
7405 3 MARK SCHEME 2026 TEST
PAPER QUESTIONS ANSWERS
GRADED A+
◉ Who prepares the mark schemes for A-Level Biology?
Answer: The Lead Assessment Writer, in collaboration with a panel of
subject teachers.
◉ What is the significance of the standardisation process in marking?
Answer: It ensures that all associates understand and apply the mark
scheme consistently, covering various student responses.
◉ What should be avoided when making assumptions about future mark
schemes?
Answer: Assuming that details will remain constant based on one year's
document.
◉ How does the mark scheme address gender identity in exam
responses?
Answer: Students are not disadvantaged based on gender identity, and
the use of 'they/them' as singular pronouns is credited.
◉ What is the protocol if associates encounter unusual answers not
covered in the mark scheme?
, Answer: They must refer these answers to the Lead Examiner.
◉ What does the 'Comments' column in the mark scheme provide?
Answer: Extra information to help examiners make judgments and
clarify acceptable responses.
◉ What does 'right + wrong = wrong' mean in the context of marking
lists?
Answer: If a student provides both correct and incorrect responses, the
errors negate the correct ones, potentially resulting in zero marks.
◉ What is the marking procedure for calculations in the mark scheme?
Answer: Full marks can be awarded for a correct answer without
showing working; partial marks may be given for correct substitution or
working.
◉ How should answers using 'it' be evaluated?
Answer: Credit is given only if it is clear what 'it' refers to in the context
of the answer.
◉ What does ECF stand for in the marking scheme?
Answer: Errors Carried Forward, allowing for the use of incorrect values
in subsequent calculations.
◉ How is phonetic spelling treated in the mark scheme?
7405 3 MARK SCHEME 2026 TEST
PAPER QUESTIONS ANSWERS
GRADED A+
◉ Who prepares the mark schemes for A-Level Biology?
Answer: The Lead Assessment Writer, in collaboration with a panel of
subject teachers.
◉ What is the significance of the standardisation process in marking?
Answer: It ensures that all associates understand and apply the mark
scheme consistently, covering various student responses.
◉ What should be avoided when making assumptions about future mark
schemes?
Answer: Assuming that details will remain constant based on one year's
document.
◉ How does the mark scheme address gender identity in exam
responses?
Answer: Students are not disadvantaged based on gender identity, and
the use of 'they/them' as singular pronouns is credited.
◉ What is the protocol if associates encounter unusual answers not
covered in the mark scheme?
, Answer: They must refer these answers to the Lead Examiner.
◉ What does the 'Comments' column in the mark scheme provide?
Answer: Extra information to help examiners make judgments and
clarify acceptable responses.
◉ What does 'right + wrong = wrong' mean in the context of marking
lists?
Answer: If a student provides both correct and incorrect responses, the
errors negate the correct ones, potentially resulting in zero marks.
◉ What is the marking procedure for calculations in the mark scheme?
Answer: Full marks can be awarded for a correct answer without
showing working; partial marks may be given for correct substitution or
working.
◉ How should answers using 'it' be evaluated?
Answer: Credit is given only if it is clear what 'it' refers to in the context
of the answer.
◉ What does ECF stand for in the marking scheme?
Answer: Errors Carried Forward, allowing for the use of incorrect values
in subsequent calculations.
◉ How is phonetic spelling treated in the mark scheme?
