As
OCR
Oxford Cambridge and RSA
Thursday 25 May 2023 – Morning
AS Level Biology A
H020/02 Depth in biology
Time allowed: 1 hour 30 minutes
You can use:
a scientific or graphical calculator
a ruler (cm/mm)
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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 using 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 28 pages.
ADVICE
• Read each question carefully before you start your answer.
,© OCR 2023 OCR is an exempt
[601/4261/3] DC Charity Turn over
(PQ/AR) 317462/5
, BLANK PAGE
PLEASE DO NOT WRITE ON THIS PAGE
, 1 (a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant.
Fig. 1.1
Large Small
multicellular multicellular
plant plant
Length = 2 Surface area : volume
cm Width = = 6:1
2 cm Depth
= 2 cm
(i) Using the data provided in Fig. 1.1, calculate the surface area : volume
of the large multicellular plant.
Surface area : volume =...............................................[2]
(ii) Explain why a large multicellular plant needs a transport system but a small
multicellular plant does not.
..............................................................................................................................
.............
..............................................................................................................................
.............
..............................................................................................................................
.............
..............................................................................................................................
.............
OCR
Oxford Cambridge and RSA
Thursday 25 May 2023 – Morning
AS Level Biology A
H020/02 Depth in biology
Time allowed: 1 hour 30 minutes
You can use:
a scientific or graphical calculator
a ruler (cm/mm)
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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 using 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 28 pages.
ADVICE
• Read each question carefully before you start your answer.
,© OCR 2023 OCR is an exempt
[601/4261/3] DC Charity Turn over
(PQ/AR) 317462/5
, BLANK PAGE
PLEASE DO NOT WRITE ON THIS PAGE
, 1 (a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant.
Fig. 1.1
Large Small
multicellular multicellular
plant plant
Length = 2 Surface area : volume
cm Width = = 6:1
2 cm Depth
= 2 cm
(i) Using the data provided in Fig. 1.1, calculate the surface area : volume
of the large multicellular plant.
Surface area : volume =...............................................[2]
(ii) Explain why a large multicellular plant needs a transport system but a small
multicellular plant does not.
..............................................................................................................................
.............
..............................................................................................................................
.............
..............................................................................................................................
.............
..............................................................................................................................
.............
