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OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) Biology B(Twenty First Century Science)J257/03 Breadth in biology (Higher Tier)FOR MAY 2024 $12.29
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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
, 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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