F2 IS 2nd Term QZ 09: 11.1 anwers

11.1

Word Translation (10 marks)

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

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

Multiple Choice (5 marks)

Circle the letter of the best answer for each question.

1.       To living things, a change in the surroundings is called a __________________ .

A.   sense                        B.    stimulus                  C.    response                         D.    sense organ

2.     Which of the following descriptions about sense organs are correct?

(I)       Sense organs contain receptors.

(II)      Sense organs can produce senses.

(III)    Sense organs can produce signals.

A. (I) and (II) only         B. (I) and (III) only                C. (II) and (III) only       D. (I), (II) and (III)

3.     Which of the following is NOT a stimulus concerned with air that can be detected by humans?

        A.    temperature of air                                    B.    movement of air

        C.    vibration of air                                         D.    oxygen concentration of air

4.     Which of the following is important for living things to survive?

        (I) find mates                          (II) find shelters                      (III) escape from dangers

 A. (I) and (II) only        B. (I) and (III) only             C. (II) and (III) only      D. (I), (II) and (III)

5.       Which of the following is/are a sense organ(s)?

          (I)   Skin                                 (II)   Brain                               (III) Tongue

          A.   (I) only                    B.    (II) only                   C.   (III) only                 D.    (I) and (III) only

  

Fill in the Blanks (20 marks)

1        Changes in the environment are called (1) stiumli. Living things can

(2) detect and (3) respond to them.

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

3        We have five different (5) sense organs. For example,

l   eye detects (6) light and produces sense of (7) sight;

l   ear detects (8) sound and produces sense of (9) hearing;

l   nose detects (10) chemicals in air and produces sense of (11) smell;

l   (12) Tonge detects chemicals in food and produces sense of (13) taste;

l   (14) Skin detects things in contact with the skin and produce sense of heat, cold, touch, pain and pressure.

4        Different sense organs contain special kinds of cells called (15) receptors

which are (16) sensitive to particular kinds of stimuli. They detect stimuli and

send signals to our (17) brain through (18) nerve.

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

Challenging Questions (Bonus 2 marks)

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

Even the eye is normal, the person still cannot see well if his nerve and brain related to the sight has damage.