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Cambridge O Level Biology 5090/22 Paper 2 Theory May June 2025 Study Guide Questions and Answers Latest Version 2026/2027

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Prepare for Cambridge O Level Biology 5090/22 Paper 2 Theory May June 2025 with this comprehensive 2026/2027 Biology study guide featuring verified questions and answers. Review essential topics including cell biology, human biology, genetics, ecology, plant biology, biological processes, practical skills, data analysis, and exam-style questions. Ideal for O Level revision, self-assessment, mock examinations, and Cambridge Biology exam preparation.

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Cambridge O Level BIOLOGY 509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025
509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022 Paper 2 Theory May June 2025.pdf
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Cambridge O Level

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BIOLOGY 5090/22
Paper 2 Theory May/June 2025
1 hour 45 minutes

You must answer on the question paper.

No additional materials are needed.

INSTRUCTIONS
● Answer all questions.
● Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs.
● Write your name, centre number and candidate number in the boxes at the top of the page.
● Write your answer to each question in the space provided.
● Do not use an erasable pen or correction fluid.
● Do not write on any bar codes.
● You may use a calculator.
● You should show all your working and use appropriate units.

INFORMATION
● The total mark for this paper is 80.
● The number of marks for each question or part question is shown in brackets [ ].

This document has 16 pages. Any blank pages are indicated.

DC (CJ/CB) 342063/3
© UCLES 2025 [Turn over

Cambridge O Level BIOLOGY 509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022 Paper 2 Theory May June 2025.pdf

,Cambridge O Level BIOLOGY 509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025
509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022 Paper 2 Theory May June 2025.pdf
* 0000800000002 *

DO NOT WRITE IN THIS MARGIN
2
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Answer all questions.

Write your answers in the spaces provided.

1 A pea seed is planted in a pot containing soil and provided with the ideal conditions for germination.
The pot is left in a dark room for 10 days.

Fig. 1.1 shows the appearance of the germinating seed on different days.

day 1 day 4 day 10

DO NOT WRITE IN THIS MARGIN
X

Y

Fig. 1.1

DO NOT WRITE IN THIS MARGIN
(a) Describe the conditions required for seeds to germinate.

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

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

............................................................................................................................................. [3]

(b) Fig. 1.1 shows that the seed changes between day 1 and day 4.

Describe these changes and explain how they happen.

DO NOT WRITE IN THIS MARGIN
...................................................................................................................................................

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

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

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

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

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

............................................................................................................................................. [5]
DO NOT WRITE IN THIS MARGIN

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Cambridge O Level BIOLOGY 509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022 Paper 2 Theory May June 2025.pdf

, Cambridge O Level BIOLOGY 509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025
509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022 Paper 2 Theory May June 2025.pdf
* 0000800000003 *
DO NOT WRITE IN THIS MARGIN

3
, ,

(c) Fig. 1.1 shows that after 10 days the structures labelled X and Y have developed from parts
of the seed.

(i) Name the part of the seed that X has developed from.

................................................................. [1]

(ii) The seed is germinating in darkness.

Explain what causes X and Y to grow in opposite directions.
DO NOT WRITE IN THIS MARGIN

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

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

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

..................................................................................................................................... [2]

[Total: 11]
DO NOT WRITE IN THIS MARGIN
DO NOT WRITE IN THIS MARGIN
DO NOT WRITE IN THIS MARGIN

ĬÏĊ®Ġ´íÈõÏĪÅĊàú¸þ×
© UCLES 2025 ĬÇíñÕĥėĕáöĀėěħÝÙĥĂ
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5090/22/M/J/25 [Turn over

Cambridge O Level BIOLOGY 509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022Cambridge
Paper 2 Theory
O Level
MayBIOLOGY
June 2025.pdf
509022 Paper 2 Theory May June 2025.pdf

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Study Level: A/AS Level
Examinator: OCR
Subject: COMMERCE
Unit: BIOLOGY

Document information

Uploaded on: July 18, 2026
Number of pages: 16
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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cambridge o level biology 509022
biology paper 2 theory may june 2025
o level biology study guide
biology questions and answers

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Cambridge O Level Biology 5090/22 Paper 2 Theory May June 2025 Study Guide Questions and Answers Latest Version 2026/2027

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