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OCR Higher GCSE Biology B Twenty First Century Science J257_03: Breadth in Biology (Higher Tier) question-paper june 2024 $16.49   Add to cart
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OCR Higher GCSE Biology B Twenty First Century Science J257_03: Breadth in Biology (Higher Tier) question-paper june 2024
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OCR Higher GCSE Biology B Twenty First Century Science J257_03: Breadth in Biology (Higher Tier) question-paper june 2024

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  • November 1, 2024
  • 27
  • 2024/2025
  • Exam (elaborations)
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Oxford Cambridge and RSA
H
Please write clearly in black ink. Do not write in the barcodes.
First name(s)
Last name
Centre number
Candidate number
OCR is an exempt Charity
Turn over
*
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2
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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 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 be
given 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.
*1375807419*
© OCR 2024 [601/8506/5]
DC (CJ/CB) 349214/6
You must have:
· a ruler (cm/mm)
You can use:
· an HB pencil
· a scientific or graphical calculator
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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..................................................................................................................................................... [3]




© OCR 2024

, 3
(ii) Fig. 1.2 shows a different set of equipment that can be used.

Fig. 1.2




A second student suggests that the equipment shown in Fig. 1.2 will improve the investigation.

Explain why.

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..................................................................................................................................................... [2]




© OCR 2024 Turn over

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