GCSE (9?1) Combined Science A
(Gateway Science)
J250/07 Biology (Higher Tier)
Time allowed: 1 hour 10 minutes
*
2
6 You must have:
9 ? a ruler (cm/mm) H
4 You can use:
4 ? a scientific or graphical calculator2
2 ? an HB pencil
9
9
4 * J 2 5 0 0 7 *
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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 60.
? 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 20 pages.
ADVICE
? Read each question carefully before you start your answer.
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Section A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
1 The diagrams show four different human cells.
A
B
C
D
Which diagram does not show a specialised cell?
Your answer [1]
2 Which organisms are the main producers of biomass on Earth?
A Fungi
B Insects
C Mammals
D Plants
Your answer [1]
3 Which option describes the structure of DNA?
A A monomer made of one strand.
B A monomer made of two strands.
C A polymer made of one strand.
D A polymer made of two strands.
Your answer [1]
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4 The diagram shows a reflex arc.
Spinal cord
Muscle
Stimulus
Choose the sequence that correctly describes the pathway of an electrical impulse.
A Receptor sensory neurone effector relay neurone motor neurone
B Receptor sensory neurone relay neurone motor neurone effector
C Sensory neurone motor neurone effector relay neurone receptor
D Sensory neurone receptor relay neurone motor neurone effector
Your answer [1]
5 What is the usual treatment for type 1 diabetes?
A Avoid eating high calorie food.
B Exercise for one hour every day.
C Inject insulin when needed.
D Take medicine every two hours.
Your answer [1]
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