Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
* 0000800000001 *
, ,
Cambridge O Level
¬O. 4mHuOªE]z6W
¬GpqP§_m-w¥I¡
¥ 5Uu¥e¥EEEU U
* 4 0 6 9 2 0 6 0 4 2 *
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
Biology Paper 2 Theory 5090-22 May-June 2025.pdf 1 Biology Paper 2 Theory 5090-22 May-June 2025.pdf
,Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
* 0000800000002 *
DO NOT WRITE IN THIS MARGIN
2
, ,
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
ĬÍĊ®Ġ´íÈõÏĪÅĊàü¸þ×
© UCLES 2025 ĬÇîòÍģěĥØĄñÒ¿ďùÙĕĂ 5090/22/M/J/25
ĥÕåÕµõåõĕåÅąÅÕåĕåÕ
Biology Paper 2 Theory 5090-22 May-June 2025.pdf 2 Biology Paper 2 Theory 5090-22 May-June 2025.pdf
, Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 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
ĥÕÕĕõĕÅĕąÕĕąÅµÅÕµÕ
5090/22/M/J/25 [Turn over
Biology Paper 2 Theory 5090-22 May-June 2025.pdf 3 Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
* 0000800000001 *
, ,
Cambridge O Level
¬O. 4mHuOªE]z6W
¬GpqP§_m-w¥I¡
¥ 5Uu¥e¥EEEU U
* 4 0 6 9 2 0 6 0 4 2 *
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
Biology Paper 2 Theory 5090-22 May-June 2025.pdf 1 Biology Paper 2 Theory 5090-22 May-June 2025.pdf
,Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
* 0000800000002 *
DO NOT WRITE IN THIS MARGIN
2
, ,
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
ĬÍĊ®Ġ´íÈõÏĪÅĊàü¸þ×
© UCLES 2025 ĬÇîòÍģěĥØĄñÒ¿ďùÙĕĂ 5090/22/M/J/25
ĥÕåÕµõåõĕåÅąÅÕåĕåÕ
Biology Paper 2 Theory 5090-22 May-June 2025.pdf 2 Biology Paper 2 Theory 5090-22 May-June 2025.pdf
, Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 May-June 2025.pdf
Biology Paper 2 Theory 5090-22 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
ĥÕÕĕõĕÅĕąÕĕąÅµÅÕµÕ
5090/22/M/J/25 [Turn over
Biology Paper 2 Theory 5090-22 May-June 2025.pdf 3 Biology Paper 2 Theory 5090-22 May-June 2025.pdf
