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Health Science Paper 1, Nov/Dec. 2010  
Questions: 1 2 3 4 5 6 7 8 Main
General Comments
Strength
Weakness/Remedies
Question 3

The diagram below is an illustration of the brain in humans. Study it
carefully and use it to answer questions 3 (a) to 3(c).

Question 3

(a) Name the parts labelled I to VI[3 marks]
(b) State two functions each ofthe parts labelled I and III [4 marks]
(c) Mention three types of mental illness that could affect the brain[ 3 marks]

 


 

 


 

 




 

_____________________________________________________________________________________________________

observation


This question was attempted by many candidates and their performance was poor. In part
(a) candidates could not correctly name the parts labelled I to VI. In part (b) candidates
could not correctly state functions of the parts labelled I and III. In part(c) candidates could
not also mention types of mental illness that could affect the brain.
The expected answers were as follows:
3(a) Naming the parts labelled

I cerebral hemisphere/cerebrum
II mid-brain
III cerebellum
IV medulla oblongata
V spinal cord
VI pituitary body/gland

(b) Functions of the parts labelled I and III Function of I
expression of emotion
for reasoning ability/association of ideas
for intelligence.and memory recall/thinking
controls conscious voluntary actions/vision, taste, touch/speech.
Function of III
It assists in balance/equilibrium
It assists in coordination of movement/muscular activities
Controls posture in human/gait

(c) Mental illness that could affect the brain
Psychosis
Schizophrenia
Neurosis
Phobia
Epilepsy/named

 

 


 

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