AS Level Biology B (Advancing Biology) H022/02 Biology in depth

AS Level Biology B (Advancing Biology) H022/02 Biology in depth
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
You can use:
• a scientific or graphical calculator
• a ruler (cm/mm)
Thursday 23 May 2024 – Morning
AS Level Biology B (Advancing Biology)
H022/02 Biology in depth
 Time allowed: 1 hour 30 minutes
*H02202*
*1441854562*
© OCR 2024 [601/4721/0]
DC (PQ) 343475/2
2
© OCR 2024
1 The image below shows a transverse section of stem from a celery plant seen through a light
microscope.
D
Y
X
E
×120 magnification
(a)
(i) State the functions of tissues D and E.
D .......................................................................................................................................................
E .......................................................................................................................................................
(ii) Using this image, produce a low power plan drawing of the stem tissues.
 [3]
(iii) Calculate the actual length of the structure between X–Y.