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OCR 2024 GCSE (9–1) Biology B (Twenty First Century Science) J257/03 Breadth in biology (Higher Tier) Question Paper and Mark Scheme Merged$7.99
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OCR 2024 GCSE (9–1) Biology B (Twenty First Century Science) J257/03
Breadth in biology (Higher
Tier) Question Paper and Mark Scheme Merged
Oxford Cambridge and RSA
OCR 2024 GCSE (9–1) Biology B (Twenty First Century Science) J257/03 Breadth in
biology (Higher Tier) Question Paper and Mark Scheme Merged
Content:
o Question Paper
o Mark Scheme
@ Click2distinction
Friday 10 May 2024 – Morning
GCSE (9–1) Biology B
(Twenty First Century Science)
J257/03 Breadth in biology (Higher Tier)
Time allowed: 1 hour 45 minutes
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 usethe
lined page 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 begiven
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
, 2
1 A student is investigating how light intensity affects the rate of photosynthesis.
(a)
(i) Fig. 1.1 shows the equipment the student sets up.
Fig. 1.1
Table lamp Bubbles
Pondweed
Water
Describe the method the student will use with the equipment in Fig. 1.1 to find how light intensity
affects the rate of photosynthesis.
Include in your answer:
• what they will change
• what they will keep the same
• what data they will record.
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