F5 UIS Assessment P3
Jan 07, 2016
UTAMA INTERNATIONAL SCHOOL
UTAMA INTERNATIONAL SCHOOLKUALA LUMPURFIRST TERM ASSESSMENT 2015/2016BIOLOGY FORM 5
Section AAnswer all questions.[15 marks]
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Section BAnswer all questions.[35 marks]
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3. Diagram 3.1 shows a gap between two types of neurons X and Y.
YX
W
Diagram 3.1
a) Name neurons X and Y.
X: ............. Y :.. [2 marks]
b) By using arrows, show the direction of impulse along the neurons. [1 mark]
c) State two structural differences between neurones X and Y.
....
.....
......................
........ [2 marks]
d) Explain what occurs at W when a nerve impulse arrives at the synaptic terminal of neuron X.
....
..........................
....
...............
....
...............
[5 marks]
e)What is the name of the part W where the signal of information is transmitted from one neurone to another neurone?
.. [2 marks]
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