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Science form 3 chapter 1

Total questions: 22

Worksheet time: 13mins

Name
Class
Date
1.

A and B makes up a nervous system in human. What is the name of the nervous system?

a)

Central nervous system (CNS)

b)

Control nervous system (CNS)

c)

Simple nervous system (SNS)

d)

Cyclical nervous System (CNS)

e)

Peripheral Nervous System (PNS)

2.

What is A?

a)

Brain

b)

Spinal Cord

c)

Artery

d)

Heart

e)

Peripheral Nerve

3.

What is C?

a)

Brain

b)

Spinal Cord

c)

Artery

d)

Capillary

e)

Peripheral Nerve

4.

The picture shows real human nervous system. If a human is singing and dancing, select which part is controlling the action?

a)

X

b)

Y

c)

Z

5.

The picture shows real human nervous system. If a human heart is beating normally, select which part is controlling the action?

a)

X

b)

Y

c)

Z

6.

Select all properties of involuntary action.

a)

Conducted under unconscious control.

b)

Actions cannot be controlled.

c)

Controlled by brain

d)

Actions can be controlled.

e)

Controlled by spinal cord

7.

The above situation is a/an ......

a)

involuntary action.

b)

voluntary action.

8.

Select the properties of the action done by the man.

a)

The action is done unconsciously.

b)

Brain is not involved in the action

c)

Brain is involved in the action.

d)

Spinal cord control the action.

9.

The action in the picture is a/an

a)

involuntary action.

b)

voluntary action.

10.

Why blind people use their fingertip to read Braille ?

a)

because fingertip has thin epidermal layer.

b)

because fingertip has thick epidermal layer.

c)

because fingertip has many touch receptor.

d)

because fingertip has less touch receptor.

11.

Why vaccine injection on the shoulder ?

a)

because shoulder has thin epidermal layer.

b)

because shoulder has thick epidermal layer.

c)

because shoulder has many pain receptor.

d)

because shoulder has less pain receptor.

12.

Rajah 2 menunjukkan keratan rentas kulit manusia.

Diagram 2 below shows a cross-section of human skin.


Pasangan stimuli manakah yang bergerak balas terhadap reseptor P dan Q?

Which pair of stimuli do receptors P and Q respond to?

a)

P - Sakit/Pain, Q - Tekanan/Pressure

b)

P - Sentuhan/Touch, Q - Sejuk/Cold

c)

P - Sejuk/Cold Q - Sakit/Pain

d)

P - Tekanan/Pressure, Q - Sentuhan/Touch

13.

Apakah fungsi rerambut pada lapisan di dalam lubang hidung?

What is the function of the hairs on the inside lining of the nose?

a)

Untuk merembeskan mukus yang membantu melembapkan udara

To secrete mucus that help to moisten the air

b)

Untuk melindungi rongga nasal semasa menarik nafas

To protect the nasal cavity during inhalation

c)

Untuk memerangkap partikel asing yang hadir dalam udara sedutan

To trap foreign particles present in the inhaled air

d)

Untuk meningkatkan proses tarikan dan hembusan nafas

To enhance the inhalation and exhalation process

14.

Diagram 1 shows the cross section of a human eye.

Name the parts Z

a)

Iris

b)

Optic nerve

c)

Cornea

d)

Pupil

15.

What sensory organ is used by blind people in Braille reading?

Apakah organ deria yang digunakan oleh orang cacat penglihatan dalam membaca Braille?

a)

Skin

b)

Nose

c)

Eye

d)

Tongue

16.

What are the factors that affect the sensitivity of the skin?

Apakah faktor-faktor yang memberi kesan kepada kepekaan kulit?

I The number of sensory receptors present

Bilangan reseptor deria yang hadir

II The thickness of epidermis layer

Ketebalan lapisan epidermis

III The thickness of dermis layer

Ketebalan lapisan dermis

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

17.

Rajah 5 menunjukkan kawasan lidah manusia yang berbeza

Diagram 5 shows different area of human tongue.


Kawasan manakah lebih sensitif terhadap cuka dan madu?Which parts are more sensitive to vinegar and honey?

a)

P, R

b)

P, Q

c)

Q, S

d)

R, P

18.

Antara struktur telinga berikut, yang manakah mempunyai cecair?

Which of these ear structure has fluid?

a)

Jendela bujur

Oval window

b)

Gegendang telinga

Ear drum

c)

Tiub Eustachio

Eustachio tube

d)

Koklea

Cochlea

19.

Penglihatan yang jelas hanya boleh didapati semasa imej terbentuk dengan tepat pada

Clear vision is only available when the image is formed exactly on

a)

Kornea

Cornea

b)

Anak mata

Eye ball

c)

Retina

Retina

d)

Kanta mata

Eye lens

20.

Complete the following mechanism of sight.

Light--> a)________-->Aqueous humour--> b)________--> Eye lens--> Vitreous humour--> c)_______--> Optic nerve --> d) Brain

a)

Cornea, Pupil, Retina, Brain

b)

Pupil, Cornea, Retina, Brain

c)

Cornea, Retina, Pupil, Brain

d)

Retina, Pupil, Brain, Retina

21.

Complete the following mechanism of sight.

Sound --> Earlobe --> a)_______--> Eardrum --> b)_______ --> Oval window --> c) ________ --> Auditory nerve --> d) _______

a)

Cochlea, Ear canal, Ossicles, Brain

b)

Ear canal, Cochlea, Ossicels, Brain

c)

Ear canal, Ossicles, Cochlea, Brainb

22.

Part of human ear that not involved in hearing mechanism. (Tick 2 answers)

a)

Semicircular canals

b)

Ossicles

c)

Cochlea

d)

Eustachian tube