GCSE BIOLOGY (9–1): Actual May 2025 PAST PAPER 1: Foundation Tier. All Assessment Questions & Mark Scheme [Edexcel 1BI0/1F]

GCSE BIOLOGY (9–1): Actual May 2025 PAST PAPER 1: Foundation Tier. All
Assessment Questions & Mark Scheme [Edexcel 1BI0/1F]
Exam Resource Summary

The GCSE Biology (9–1) May 2025 Paper 1: Foundation Tier [Edexcel 1BI0/1F] – All Assessment
Questions & Mark Scheme includes the complete examination paper paired with the official mark
scheme. It evaluates students’ understanding of foundational biology concepts, key processes, and
practical skills. Each question is accompanied by detailed marking guidance, helping students
understand examiner expectations and effective strategies for scoring. This resource is essential for
focused revision, self-assessment, and preparation for the May 2026 Edexcel GCSE Biology Paper 1
(Foundation Tier) examination.



Turn over

, Answer ALL questions. Write your answers in the spaces provided.

Some questions must be answered with a cross in a box . If you change your mind about an




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answer, put a line through the box and then mark your new answer with a cross .

1 (a) Genes control natural hair colour in humans.

(i) Which term describes the differences in hair colour?
(1)
A variation

B tissue culture

C elongation

D fertilisation


(ii) Genes are found on chromosomes.
Name the part of the human cell where chromosomes are found.




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(1)

. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................



(b) The hair colour of 24 students was recorded.

Figure 1 shows the results.

brown black blonde black blonde brown
black black red brown brown black
blonde brown black brown brown blonde
brown blonde blonde black brown brown

Figure 1 DO NOT WRITE IN THIS AREA

(i) Complete Figure 2 to show the tally and the total for brown hair.
(2)


hair colour

black blonde brown red

    

total = 7 total = 6 total = total = 1

Figure 2

2

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, (ii) Complete the bar chart to show the totals in Figure 2 and label the x‑axis.
(3)
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12

10

8
number of
students 6
4

2

0
black . .. .. ... .. .. ... .. ... .. .. . . .. .. ... .. .. ... .. ... .. .. . . .. .. ... .. .. ... .. ... .. .. .




. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .
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(Total for Question 1 = 7 marks)
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3

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, 2 (a) Figure 3 shows a sperm cell.

R




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S


T

Figure 3

(i) Name the part labelled R.
(1)

. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. . ......................



(ii) Draw one straight line from each part of the sperm cell to its function.




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(2)

part of the sperm cell function


produces glucose




releases energy
S



controls the cell



T
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helps the sperm enter the egg




helps the egg enter the sperm




4

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