F2 IS 2nd term QZ 09 (11.1) ans

Word Translation (10 marks)

i    Write down the English terms of the following Chinese terms:

	Chinese term	English term
1	感觀	Sense
2	探測	Detect
3	刺激	Stimulus / Stimuli
4	反應	Respond
5	感覺器官	Sense organ
6	感受器	Receptor
7	敏感	Sensitive
8	腦	Brain
9	神經	Nerve
10	詮釋	Interpret

Fill in the Blanks (20 marks)

1        Changes in the environment are called (1) stimuli. Living things can (2) detect and

 (3) respond to them.

2        By responding to stimuli, living things can find (4) food / mate / shelter, (5) food / mate / shelter, and escape from danger.

3        We have different (6) sense organs. For example,

l   eye detects (7) light and produces sense of (8)     sight;

l   (9) ear detects sounds and produces sense of (10) hearing;

l   (11) nose detects (12) chemicals in air and produces sense of smell;

l   (13) tongue detects chemicals in food or drinks and produces sense of (14) taste;

l   (15) skin detects (16) things in contact with the skin and produces sense of heat, cold, touch, pain and pressure.

4        Different sense organs contain special kinds of cells called (17) receptors.

which are sensitive to particular kinds of stimuli. They detect stimuli and send signals to our brain

through (18) nerves.

5        The brain (19) interprets signals and give us (20) senses.

Challenging Questions (Bonus 2 marks)

1.      A person has normal eyes but cannot see well. Why?

Even he has normal eyes, his optic nerve or brain may have damage.