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Science Form 3 - Chapter 1&2

Total questions: 200

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

Human nervous system. Label A.

a)

Brain

b)

Spinal cord

c)

Cranial nerves

d)

Spinal nerves

2.

Human nervous system. What is B?

a)

Brain

b)

Spinal cord

c)

Cranial nerves

d)

Spinal nerves

3.

Human nervous system. What is C?

a)

Brain

b)

Spinal nerves

c)

Cranial nerves

d)

Spinal cord

4.

Human nervous system. What is D?

a)

Brain

b)

Spinal nerves

c)

Cranial nerves

d)

Spinal cord

5.

What is labeled Z?

a)

Nervous system

b)

Central nervous system

c)

Peripheral system

d)

Peripheral nervous system

6.

What is labeled Y?

a)

Nervous system

b)

Central nervous system

c)

Peripheral system

d)

Peripheral nervous system

7.

The human nervous system is able to detect ______________.

a)

rsponses

b)

stimuli

c)

impulses

d)

information

8.

Human nervous system send _________________ in the form of __________________.

a)

responses, impulses

b)

information, impulses

c)

stimuli, impulses

d)

fear, impulses

9.

A human nervous system can produce an appropriate _____________.

a)

answers

b)

responses

c)

interpretation

d)

stimuli

10.

Voluntary actions are taken under _________________ control.

a)

conscious

b)

unconscious

c)

semi-conscious

d)

caution

11.

Involuntary actions are taken under _________________ control.

a)

conscious

b)

unconscious

c)

semi-conscious

d)

caution

12.

Example of involuntary action is ____________________.

a)

reading

b)

talking

c)

breathing

d)

writing

13.

Example of voluntary action is ____________________.

a)

peristalsis

b)

heartbeat

c)

breathing

d)

reading

14.

Which one below is CORRECT in describing voluntary action?

a)

Affector > brain > effector > response

b)

Affector > effector > response

c)

Affector > effector > spinal cord > response

d)

Effector > Affector > spinal cord > response

15.

Which one below is CORRECT in describing involuntary action?

a)

Affector > brain > effector > response

b)

Affector > effector > response

c)

Affector > effector > spinal cord > response

d)

Effector > Affector > spinal cord > response

16.

In an experiment, when a torch is shined towards a student's eye, the pupil will become smaller.

Explain the sequence on the pathway of this impulse?

a)

Affector > brain > effector > response

b)

Affector > brain > effector

c)

Affector > effector > response

d)

Affector > effector > spinal cord > response

17.

What is the response in the above activity?

a)

catching the ruler

b)

voluntary action

c)

release the ruler

d)

involuntary action

18.

The above experiment shows ______________ action and is done _________________.

a)

voluntary, consciously

b)

voluntary, unconsciously

c)

involuntary, consciously

d)

involuntary, unconsciously

19.

Response is very important in our lives so that we can _____________________.

a)

coordinate our brain during certain time only.

b)

coordinate and control body organs to function efficiently in the time required.

c)

coordinate study, resting and sleeping time.

d)

to protect ourselves from harms.

20.

The figure above explains a pathway of impulse in human nervous system during hot object experiment. This pathway explains ____________________.

a)

a voluntary action

b)

an involuntary action

c)

a reflex anatomy

d)

a relation between stimuli and response

21.

A damaged nervous system can cause a person to ____________________.

a)

become disabled

b)

face difficulties in life

c)

have problem in breathing

d)

become partially or completely paralysed

22.

Human nervous system consists of

a)

Central Nervous System

b)

Peripheral nervous system

c)

Pulmonary nervous system

d)

Systemic nervous system

23.

Which of following are voluntary action

a)

Singing

b)

Heart beat

c)

Photosynthesis

d)

Drawing

24.

Which of the following are grouped in the central nervous system?

a)

cranial nerves

b)

brain

c)

spinal nerves

d)

spinal cord

25.

Which of the following are the correct sequence of voluntary action?

a)

Stimulus --> Receptor --> Spinal cord --> Effector --> Response

b)

Stimulus --> Receptor --> Brain --> Effector --> Response

c)

Stimulus --> Effector --> Brain --> Receptor --> Response

d)

Stimulus --> Effector --> Spinal cord --> Receptor --> Response

26.

A stimulus is _________

a)

process in which organisms grow larger.

b)

a change in the environment that causes a reaction

c)

a reaction to a change in surroundings

d)

the center of a cell

27.

Identify the stimulus..."A person shivers because it is cold outside"

a)

Cold temperature

b)

A person shivers

28.

Identify the response:

You are at the mall walking through the food court. You smell fresh baked pizza and realize that you skipped lunch. You buy a piece of pizza and eat it before going to buy your CD

a)

the smell of pizza

b)

buying a piece of pizza

c)

buying the CD

d)

food court

29.

Name of cells that sensitive to different light intensities

a)

Cone cells

b)

Rod cells

30.

Part of human ear that not involved in hearing mechanism

a)

Semicircular canals

b)

Ossicles

c)

Cochlea

d)

Eustachian tube

31.

The sensetivity of skins towards stimuli depends on(tick 2)

a)

Number of receptor

b)

Surrounding temperature

c)

Thickness of epidermis

d)

Humidity of air

32.

Short sightedness happened because

a)

Eye lens too thick

b)

Eye lens too thin

c)

Eyeball too short

d)

Eyeball too long

33.

10.The older person is weaker their ability of hearing because

a)

aging

b)

range of hearing become larger

c)

ear drum become more elastic

d)

ear drum less elastic

34.

Seismonastic is a type of nastic response that stimulated to touch. Which plants shows seismonastic?

a)

morning glory

b)

paddy plant

c)

venus fly trap

d)

sunflower plant

35.

2. The largest sensory organ

a)

eye

b)

tongue

c)

ear

d)

skin

e)

nose

36.

5. Smell receptors are located at the ........parts of nasal cavity

a)

upper

b)

lower

37.

What is the advantage of monocular vision?

a)

provide a narrow field of vision

b)

able to form three dimensional image

c)

field of vision overlap greatly

d)

able to detect enemies coming from any direction

38.

What is the characteristic of stereoscopic vision?

a)

Provide wide field of vision

b)

Produce two dimensional images

c)

Able to estimate distance accurately

d)

both eyes located at the sides of the head

39.

The two lines appear bent even though they are actually straight because ...

a)

The image formed on the blind spot

b)

Brain cannot interpret the image accurately

c)

Stimulus cannot be detected by the effector

d)

It is not involuntary action

40.
What are the causes of short sightedness
a)
eye ball too short
b)
eye lens too thick
c)
eye lens too thin
d)
cornea not even
41.

Small projections located on the tongue’s surface where taste buds are located are known as:

a)

papillae

b)

gustatory cells

c)

olfactory epithelium

d)

mucous producing glands

42.

Human nervous system. Label A.

a)

Brain

b)

Spinal cord

c)

Cranial nerves

d)

Spinal nerves

43.

Human nervous system. What is B?

a)

Brain

b)

Spinal cord

c)

Cranial nerves

d)

Spinal nerves

44.

Human nervous system. What is C?

a)

Brain

b)

Spinal nerves

c)

Cranial nerves

d)

Spinal cord

45.

Human nervous system. What is D?

a)

Brain

b)

Spinal nerves

c)

Cranial nerves

d)

Spinal cord

46.

What is labeled Z?

a)

Nervous system

b)

Central nervous system

c)

Peripheral system

d)

Peripheral nervous system

47.

What is labeled Y?

a)

Nervous system

b)

Central nervous system

c)

Peripheral system

d)

Peripheral nervous system

48.

The human nervous system is able to detect ______________.

a)

rsponses

b)

stimuli

c)

impulses

d)

information

49.

Human nervous system send _________________ in the form of __________________.

a)

responses, impulses

b)

information, impulses

c)

stimuli, impulses

d)

fear, impulses

50.

A human nervous system can produce an appropriate _____________.

a)

answers

b)

responses

c)

interpretation

d)

stimuli

51.

Voluntary actions are taken under _________________ control.

a)

conscious

b)

unconscious

c)

semi-conscious

d)

caution

52.

Involuntary actions are taken under _________________ control.

a)

conscious

b)

unconscious

c)

semi-conscious

d)

caution

53.

Example of involuntary action is ____________________.

a)

reading

b)

talking

c)

breathing

d)

writing

54.

Example of voluntary action is ____________________.

a)

peristalsis

b)

heartbeat

c)

breathing

d)

reading

55.

Which one below is CORRECT in describing voluntary action?

a)

Affector > brain > effector > response

b)

Affector > effector > response

c)

Affector > effector > spinal cord > response

d)

Effector > Affector > spinal cord > response

56.

Which one below is CORRECT in describing involuntary action?

a)

Affector > brain > effector > response

b)

Affector > effector > response

c)

Affector > effector > spinal cord > response

d)

Effector > Affector > spinal cord > response

57.

In an experiment, when a torch is shined towards a student's eye, the pupil will become smaller.

Explain the sequence on the pathway of this impulse?

a)

Affector > brain > effector > response

b)

Affector > brain > effector

c)

Affector > effector > response

d)

Affector > effector > spinal cord > response

58.

What is the response in the above activity?

a)

catching the ruler

b)

voluntary action

c)

release the ruler

d)

involuntary action

59.

The above experiment shows ______________ action and is done _________________.

a)

voluntary, consciously

b)

voluntary, unconsciously

c)

involuntary, consciously

d)

involuntary, unconsciously

60.

Response is very important in our lives so that we can _____________________.

a)

coordinate our brain during certain time only.

b)

coordinate and control body organs to function efficiently in the time required.

c)

coordinate study, resting and sleeping time.

d)

to protect ourselves from harms.

61.

The figure above explains a pathway of impulse in human nervous system during hot object experiment. This pathway explains ____________________.

a)

a voluntary action

b)

an involuntary action

c)

a reflex anatomy

d)

a relation between stimuli and response

62.

Apakah komponen dalam sistem saraf periferi ?

What are the component of the peripheral nervous system ?

a)

Otak dan saraf tunjang

Brain and spinal cord

b)

Saraf spina dan saraf tunjang

Spinal nerve and spinal cord

c)

Saraf spina dan saraf kranium

Spinal nerve and cranial nerve

d)

Saraf tunjang dan saraf kranium

Spinal cord and cranial nerve

63.

Saraf kranium menghubungkan

The cranial nerve connects

a)

Saraf tunjang dengan otot rangka

The spinal cord to the skeletal muscle

b)

Saraf tunjang dengan organ deria

The spinal cord to sensory organ

c)

Otak dengan otot rangka

The brain to the skeletal muscle

d)

Otak dengan organ deria.

The brain and sensory organs

64.

Antara berikut, pernyataan yang manakah benar mengenai sistem saraf manusia ?

Which of the following statement is correct regarding the human nervous system ?

a)

Mengesan rangsangan

Detects the stimuli

b)

Menghantar maklumat melalui aliran darah

Send information through bloodstream

c)

Memastikan pencernaan makanan yang lengkap

Ensure a complete digestion of food

d)

Menghalang badan daripada menghasilkan gerak balas

Prevent the body from producing response

65.

Kaji maklumat di bawah

Study the information below.


J- Otak K- Saraf spina

Brain Spinal nerves

L- Saraf tunjang M- Saraf kranium

Spinal cord Cranial nerves


Antara berikut, yang manakah mewakili sistem saraf pusat?

Which of the following represent central nervous system?

a)

J dan K

J and K

b)

J dan L

J and L

c)

K dan M

K and M

d)

J dan K

J and K

66.

Gambar rajah 1 menunjukkan laluan impuls setelah rangsangan diterima oleh kulit.

The diagram 1 shows the path of an impulse after a stimulus is received by the skin.


Antara berikut yang manakah mewakili X, Y dan Z?

Which of the following represents X, Y and Z?

a)

X - Otak/Brain, Y - Efektor/Effector, Z - Reseptor/Receptor

b)

X - Reseptor/Receptor, Y - Efektor/Effector, Z - Otak/Brain

c)

X - Otak/Brain, Y - Reseptor/Receptor, Z - Efektor/Effector

d)

X - Reseptor/Receptor, Y - Otak/Brain , Z - Efektor/Effector

67.

Antara berikut, yang manakah merupakan tindakan terkawal?

Which of the following is a voluntary action?

a)

Peristalsis

Peristalsis

b)

Menulis

Writing

c)

Berpeluh

Sweating

d)

Denyutan jantung

Heart beat

68.

Antara berikut, yang manakah bukan tindakan luar kawal ?

Which of the following is not involuntary action?

a)

Denyutan jantung

Heartbeat

b)

Bersin apabila sejuk

Sneezing when cold

c)

Bercakap dengan rakan

Talking to a friend

d)

Rembesan air liur

Saliva secretion

69.

Rajah 2 menunjukkan laluan impuls suatu tindakan.

The diagram 2 shows the impulse pathway of an action.


Reseptor/Receptor -->Saraf tunjang/Spinal cord --> Efektor/Effector


Antara tindakan berikut, yang manakah akan melalui impuls yang sama?

Which of the following actions will pass through the same impulse pathway?

a)

Bernafas

Breathing

b)

Berfikir

Thinking

c)

Sentakan lutut

Knee-jerk reaction

d)

Berjalan

Walking

70.

Antara hubungan organ deria dengan rangsangan di bawah, yang manakah tidak benar?

Which pair of the sensory organ with stimulus below, is not true?

a)

Mata/Eyes - Cahaya/Light

b)

Hidung/Nose - Udara/Air

c)

Lidah/Tongue - Bahan kimia/Chemical substances

d)

Telinga/Ear - Bunyi/Sound

71.
Plants can detect 4 types of stimuli, which are _____. (>1)<br />
a)
light
b)
water
c)
gravity
d)
touch
e)
sound
72.
There are 2 types of response of plants, which are _____. (>1)<br />
a)
tropism
b)
nastic movement
c)
return movement
73.
The part of a plant which grows towards a stimulus is known as _____.
a)
tropism positive
b)
tropism negative
c)
positive reaction
d)
negative reaction
74.
Tropism reaction towards light is _____.
a)
phototropism
b)
geotropism
c)
hydrotropism
d)
thigmotropism
75.
Tropism reaction towards gravity is _____.
a)
geotropism
b)
phototropism
c)
thigmotropism
d)
hydrotropism
76.
Tropism reaction towards water is _____.
a)
hydrotropism
b)
geotropism
c)
phototropism
d)
thigmotropism
77.
Tropism reaction towards touch is _____.
a)
thigmotropism
b)
hydrotropism
c)
geotropism
d)
phototropism
78.

Shoots and leaves grow towards the direction of light.

a)

Phototropism positive

b)

Phototropism negative

c)

Hydrotropism positive

d)

Hydrotropism negative

79.

Roots grow towards deep into the soil.

a)

Geotropism positive

b)

Geotropism negative

c)

Thigmotropism positive

d)

Thigmotropism negative

80.
Shoots of plant grow upwards although the pot is placed upside down.
a)
Geotropism negative
b)
Geotropism positive
c)
Hydrotropism positive
d)
Hydrotropism negative
81.

Roots grow towards the directtion of water.

a)

Hydrotropism positive

b)

Hydrotropism negative

c)

Thigmotropism positive

d)

Thigmotropism negative

82.

Tendrils or twining stems cling onto objects to obtain support.

a)

Thigmotropism positive

b)

Thigmotropism negative

c)

Geotropism positive

d)

Geotropism negative

83.
Roots avoid any obstacle.
a)
Thigmotropism negative
b)
Thigmotropism positive
c)
Hydrotropism positive
d)
Hydrotropism negative
84.

The sensory organ that involved in the mechanism of sight

a)

ear

b)

eye

c)

skin

d)

nose

e)

tongue

85.

The largest sensory organ

a)

eye

b)

tongue

c)

ear

d)

skin

e)

nose

86.

The type of taste

a)

hot

b)

cold

c)

bitter

87.

Determine which part of the tongue can taste it

a)

sweet

b)

salty

c)

umami

d)

sour

88.

Smell receptors are located at the ........parts of nasal cavity

a)

upper

b)

lower

89.

Other sense that is closely related to sense of the smell is the

a)

sense of hearing

b)

sense of taste

c)

sense of touch

90.

Retina of the eye contains two types of photoreceptors, which are

a)

rod cells and cone cells

b)

rod cells and square cells

c)

triangle cells and cone cells

d)

circle cells and square cells

91.

Mechanism of sight

a)

light-->lens-->brain-> retina

b)

light-->retina-->brain-->lens

c)

light-->brain-->retina-->lens

d)

light-->lens-->retina--> brain

92.

Mechanism of hearing

a)

sound-->ear drum-->ossicles--> cochlea-->brain

b)

sound-->ossicles-->ear drum--> cochlea-->brain

c)

sound-->brain-->ossicles--> cochlea-->ear drum

d)

sound-->ear drum--> cochlea-->ossicle-->brain

93.

The older person is weaker their ability of hearing because

a)

aging

b)

range of hearing become larger

c)

ear drum become more elastic

d)

ear drum less elastic

94.
What helps us to see color?
a)
rods
b)
lens
c)
cones
d)
sclera
95.
When an image hits the retina it is upside down. What flips it over so that it is right side up?
a)
lens
b)
retina
c)
optic nerve
d)
brain
96.

Part of the eye that changes light into nerve impulse

a)

Retina

b)

Sclera

c)

Iris

d)

Aqueous Humor

97.

Eye Problem where distant objects may be distorted or blurry

a)

Astigmatism

b)

long sightedness

c)

short sightedness

d)

Glaucoma

98.

Eye Problem where close objects may be distorted or blurry

a)

Astigmatism

b)

long sightedness

c)

short sightedness

d)

Glaucoma

99.

Small projections located on the tongue’s surface where taste buds are located are known as:

a)

papillae

b)

gustatory cells

c)

olfactory epithelium

d)

mucous producing glands

100.

Which of these is a taste bud sensitive to meat flavoring?

a)

sweet

b)

salty

c)

bitter

d)

umami

101.

Which of the following eye defects can be corrected by wearing suitable glasses?

(1) Astigmatism

(2) Short sight

(3) Long sight

a)

(1) and (2) only

b)

(1) and (3) only

c)

(2) and (3) only

d)

(1), (2) and (3)

102.

What part of the ear is responsible for balance

a)

Semicircular Canals

b)

Vestibule

c)

Cochlea

d)

Auditory Nerve

103.

Identify the stimulus..."A person shivers because it is cold outside"

a)

Cold temperature

b)

A person shivers

104.

The sensitivity of skins towards stimuli depends on(tick 2)

a)

Number of receptor

b)

Surrounding temperature

c)

Thickness of epidermis

d)

Humidity of air

105.

Which is NOT a function of the nervous system?

a)

gathering information

b)

responding to a stimulus

c)

maintaining homeostasis

d)

secreting hormones

106.

What is a reflex?

a)

an automatic movement in response to a stimulus

b)

the gap between neurons where chemical reactions occur

c)

the part of the brain responsible for involuntary movements

d)

a muscle memory

107.

Even though Khing loves to sleep, her heart still beats and lungs still breathe. What type of action is this?

a)

Voluntary action

b)

Involuntary action

108.

Human nervous system send _________________ in the form of __________________.

a)

responses, impulses

b)

information, impulses

c)

stimuli, impulses

d)

fear, impulses

109.

Which of the following body part is most sensitive to touch?

a)

arm

b)

sole

c)

elbow

d)

fingertips

110.

Azhar has a cold and unable to taste the food properly. What sense is involved in detecting the taste of food?

a)

sense of taste and sense of touch

b)

sense of taste and sense of smell

c)

sense of touch and sense of sight

d)

sense of sight and sense of smell

111.

X is an eye defect. X occurs due to too thick eye lens. What is X?

a)

Glaucoma

b)

astigmatism

c)

long-sightedness

d)

short-sightedness

112.

which of the ear part function to detect and convert sound vibration to nerve impulses?

a)

eardrum

b)

ossicles

c)

cochlea

d)

ear canal

113.

which of the following is the causes of long-sightedness?

a)

eye ball too long

b)

eyeball too short

c)

eye lens too thick

d)

image formed in front of retina

114.

Name the organ

a)

Tongue

b)

Eyes

c)

Skin

d)

Nose

115.

Which line is longer

a)

A

b)

B

c)

Same length

116.

Choose the correct equipment to overcome the limitation of hearing

a)
b)
c)
d)
117.

Choose the correct equipment to overcome the limitation of sight

a)
b)
c)
d)
118.

Stethoscope helps us to

a)

amplifies sound so that it can be heard from far away

b)

listen to the heartbeat

c)

see far away objects

119.

NUMBER 1 is

a)

Lungs

b)

Pharynx

c)

Mouth

d)

Alveoli

120.

NUMBER 2 is

a)

Pharynx

b)

Bronchi 

c)

Alveoli

d)

Lungs

121.

NUMBER 6 is

a)

Lungs

b)

Trachea

c)

Mouth

d)

Alveoli

122.

NUMBER 3 is

a)

Pharynx

b)

Trachea

c)

Bronchi

d)

Alveoli

123.

Which are the main organs in the respiratory system?

a)

Heart

b)

Stomach

c)

Lungs

d)

Nose

124.

What is the function of the respiratory system?

a)

Take in oxygen only

b)

Remove carbon dioxide only

c)

Take in oxygen and remove carbon dioxide

d)

Make sugar

125.

What is the tube called that is also known as your wind pipe?

a)

Oesophagus

b)

Bronchi

c)

Trachea

d)

Alveoli

126.
How is carbon dioxide released from the body? 
a)
When we exhale
b)
When we urinate
c)
When we sweat
d)
When we inhale
127.

Which of these organs is not a part of the respiratory system?

a)

Trachea

b)

Lungs

c)

Heart

d)

Pharynx

128.
Which organ system includes the trachea, bronchi, lungs, and alveoli?
a)
Digestive system
b)
Circulatory system
c)
Respiratory system
d)
Endocrine system
129.

The muscles that helps to expand and contract the lungs, forcing air in and out

a)

Pharynx

b)

Nasal cavity

c)

Alveoli

d)

Diaphragm

130.
Clusters of tiny air sacs that allow the exchange of oxygen and carbon dioxide
a)
Pharynx
b)
Diaphragm
c)
Alveoli
d)
Lungs
131.

Given the following structures:

1. lungs

2. nasal cavity

3. bronchi

4. trachea

5.pharynx

Which of the following is the correct order that air would flow during inhalation.

a)

1,2,5,3,4

b)

2,5,4,3,1

c)

2,1,3,4,5

d)

4,5,2,3,1

132.

Which sequence correctly indicates the branching pattern of the human respiratory system?

a)

trachea -> bronchi -> bronchioles -> alveoli

b)

trachea -> bronchioles -> bronchi -> alveoli

c)

alveoli -> trachea -> bronchioles -> bronchi

d)

alveoli -> bronchioles -> trachea -> bronchi

133.

Which structure shown in the diagram below contracts, causing a pressure change in the chest cavity during breathing?

a)

A

b)

B

c)

C

d)

D

134.

What does the function of Nostrills

a)

Stop dust dust to enter in nose

b)

Release Carbon dioxide from lungs

c)

Transport oxygen to lungs

135.

When we inhale, Our diaphragm

a)

moves up

b)

moves down

c)

flatterns

d)

None

136.

What is labelled ' E ' the Diagram

a)

Pharynx

b)

Bronchoiles

c)

Trachea

d)

Larynx

137.
What is the respiratory system ? 
a)
The respiratory system is the system that helps circulate our blood . 
b)
The respiratory system is the system that takes in oxygen and takes the unneeded particles and creates carbon dioxide. 
c)
The respiratory system is  a system that is similar to the circulatory system. 
d)
The respiratory system is a system that holds the heart as an internal organ. 
138.
When you exercise, your heart beats faster to...
a)
spread oxygen throughout your body more quickly.
b)
make you feel excited.
c)
let you know you're working hard.
d)
inflate your lungs
139.
After the trachea, air travels through the...
a)
Bronchiole
b)
Alveoli
c)
Bronchus
d)
Capillary
140.
Identify the pathway of air.
a)
nasal cavity, throat, bronchioles, bronchi, alveoli
b)
mouth, nasal cavity, bronchi, bronchioles, alveoli
c)
nasal cavity/mouth, trachea, bronchi, bronchus, alveoli
d)
nasal cavity/mouth, trachea, bronchi, bronchioles, alveoli
141.
Gaseous exchange is when...
a)
o2 diffuses from the alveoli to the capillary
b)
co2 diffuses from the alveoli to the capillary
c)
o2 diffuses from the capillary to the alveoli
d)
co2 diffuses from the capillary to the alveoli
142.
Oxygen + haemoglobin = ?
a)
oxygenated haemoglobin
b)
oxyhaemoglobin
c)
haemoglobin
d)
oxygenglobin
143.

Gaseous exchange happens because of...

a)

Osmosis

b)

Respiration

c)

Diffusion

d)

Semi-permeable membranes

144.
Blood arriving in the capillary from the body has a...
a)
Higher concentration of carbon dioxide (CO2) and a lower concentration of oxygen (O2)
b)
Higher concentration of oxygen (O2) and a lower concentration of carbon dioxide (CO2)
145.

Air exhaled has more (a)   than air inhaled.

146.

Which one is not features to ensure an efficient gaseous exchange with the surroundings?

a)

Moist surface of respiratory structures

b)

Thin respiratory structures such as the walls of blood capillaries

c)

Dry outer skin causes the respiratory gases to dissolve and diffuse easily

d)

Large surface area of respiratory structures

147.

When we exercise, our rate of respiration

increases. Higher rate of transport of

.................... to body cells and higher rate of

elimination of ....................... from body

cells result in healthier body cells.

a)

oxygen , carbon monoxide

b)

oxyhaemoglobin , carbon monoxide

c)

carbon dioxide , oxygen

d)

oxygen , carbon dioxide

148.

A dome shaped sheet of muscle, the _________, separates the chest from the abdomen

'n Koepelvormige spiervel, die ________, skei die borskas van die buik

a)

diaphragm/diafragma

b)

epiglottis

c)

alveoli

d)

bronchi/brongi

149.

Name A

a)

Trachea

b)

Lung

c)

Alveolus

d)

Blood capillary

150.

Name B

a)

Trachea

b)

Lung

c)

Alveolus

d)

Blood capillary

151.

Carbon dioxide diffuses in from

a)

A to B

b)

B to A

152.

Oxygen diffuses in from

a)

A to B

b)

B to A

153.

Which of the following is not correct about alveolus?

a)

Thick wall

b)

Thin wall

c)

Moist wall

d)

Large surface area

154.

Which of the following are features of the ALVEOLI that adapt them to gas exchange?

I. Large surface area

II. Thin walls

III. Dry surfaces

a)

I & II ONLY

b)

I ONLY

c)

II AND III

d)

I, II AND III

155.

NUMBER 1 is

a)

Lungs

b)

Pharynx

c)

Mouth

d)

Alveoli

156.

NUMBER 2 is

a)

Pharynx

b)

Bronchi 

c)

Alveoli

d)

Lungs

157.

NUMBER 6 is

a)

Lungs

b)

Trachea

c)

Mouth

d)

Alveoli

158.

NUMBER 3 is

a)

Pharynx

b)

Trachea

c)

Bronchi

d)

Alveoli

159.

Which are the main organs in the respiratory system?

a)

Heart

b)

Stomach

c)

Lungs

d)

Nose

160.

What is the function of the respiratory system?

a)

Take in oxygen only

b)

Remove carbon dioxide only

c)

Take in oxygen and remove carbon dioxide

d)

Make sugar

161.

What is the tube called that is also known as your wind pipe?

a)

Oesophagus

b)

Bronchi

c)

Trachea

d)

Alveoli

162.
How is carbon dioxide released from the body? 
a)
When we exhale
b)
When we urinate
c)
When we sweat
d)
When we inhale
163.

Which of these organs is not a part of the respiratory system?

a)

Trachea

b)

Lungs

c)

Heart

d)

Pharynx

164.
Which organ system includes the trachea, bronchi, lungs, and alveoli?
a)
Digestive system
b)
Circulatory system
c)
Respiratory system
d)
Endocrine system
165.

The muscles that helps to expand and contract the lungs, forcing air in and out

a)

Pharynx

b)

Nasal cavity

c)

Alveoli

d)

Diaphragm

166.
Clusters of tiny air sacs that allow the exchange of oxygen and carbon dioxide
a)
Pharynx
b)
Diaphragm
c)
Alveoli
d)
Lungs
167.

Given the following structures:

1. lungs

2. nasal cavity

3. bronchi

4. trachea

5.pharynx

Which of the following is the correct order that air would flow during inhalation.

a)

1,2,5,3,4

b)

2,5,4,3,1

c)

2,1,3,4,5

d)

4,5,2,3,1

168.

Which sequence correctly indicates the branching pattern of the human respiratory system?

a)

trachea -> bronchi -> bronchioles -> alveoli

b)

trachea -> bronchioles -> bronchi -> alveoli

c)

alveoli -> trachea -> bronchioles -> bronchi

d)

alveoli -> bronchioles -> trachea -> bronchi

169.

Which structure shown in the diagram below contracts, causing a pressure change in the chest cavity during breathing?

a)

A

b)

B

c)

C

d)

D

170.

What does the function of Nostrills

a)

Stop dust dust to enter in nose

b)

Release Carbon dioxide from lungs

c)

Transport oxygen to lungs

171.

When we inhale, Our diaphragm

a)

moves up

b)

moves down

c)

flatterns

d)

None

172.

What is labelled ' E ' the Diagram

a)

Pharynx

b)

Bronchoiles

c)

Trachea

d)

Larynx

173.
What is the respiratory system ? 
a)
The respiratory system is the system that helps circulate our blood . 
b)
The respiratory system is the system that takes in oxygen and takes the unneeded particles and creates carbon dioxide. 
c)
The respiratory system is  a system that is similar to the circulatory system. 
d)
The respiratory system is a system that holds the heart as an internal organ. 
174.
When you exercise, your heart beats faster to...
a)
spread oxygen throughout your body more quickly.
b)
make you feel excited.
c)
let you know you're working hard.
d)
inflate your lungs
175.
After the trachea, air travels through the...
a)
Bronchiole
b)
Alveoli
c)
Bronchus
d)
Capillary
176.
Identify the pathway of air.
a)
nasal cavity, throat, bronchioles, bronchi, alveoli
b)
mouth, nasal cavity, bronchi, bronchioles, alveoli
c)
nasal cavity/mouth, trachea, bronchi, bronchus, alveoli
d)
nasal cavity/mouth, trachea, bronchi, bronchioles, alveoli
177.
Gaseous exchange is when...
a)
o2 diffuses from the alveoli to the capillary
b)
co2 diffuses from the alveoli to the capillary
c)
o2 diffuses from the capillary to the alveoli
d)
co2 diffuses from the capillary to the alveoli
178.
Oxygen + haemoglobin = ?
a)
oxygenated haemoglobin
b)
oxyhaemoglobin
c)
haemoglobin
d)
oxygenglobin
179.

Gaseous exchange happens because of...

a)

Osmosis

b)

Respiration

c)

Diffusion

d)

Semi-permeable membranes

180.
Blood arriving in the capillary from the body has a...
a)
Higher concentration of carbon dioxide (CO2) and a lower concentration of oxygen (O2)
b)
Higher concentration of oxygen (O2) and a lower concentration of carbon dioxide (CO2)
181.

Air exhaled has more (a)   than air inhaled.

182.

Which one is not features to ensure an efficient gaseous exchange with the surroundings?

a)

Moist surface of respiratory structures

b)

Thin respiratory structures such as the walls of blood capillaries

c)

Dry outer skin causes the respiratory gases to dissolve and diffuse easily

d)

Large surface area of respiratory structures

183.

When we exercise, our rate of respiration

increases. Higher rate of transport of

.................... to body cells and higher rate of

elimination of ....................... from body

cells result in healthier body cells.

a)

oxygen , carbon monoxide

b)

oxyhaemoglobin , carbon monoxide

c)

carbon dioxide , oxygen

d)

oxygen , carbon dioxide

184.

A dome shaped sheet of muscle, the _________, separates the chest from the abdomen

'n Koepelvormige spiervel, die ________, skei die borskas van die buik

a)

diaphragm/diafragma

b)

epiglottis

c)

alveoli

d)

bronchi/brongi

185.

Name A

a)

Trachea

b)

Lung

c)

Alveolus

d)

Blood capillary

186.

Name B

a)

Trachea

b)

Lung

c)

Alveolus

d)

Blood capillary

187.

Carbon dioxide diffuses in from

a)

A to B

b)

B to A

188.

Oxygen diffuses in from

a)

A to B

b)

B to A

189.

Which of the following is not correct about alveolus?

a)

Thick wall

b)

Thin wall

c)

Moist wall

d)

Large surface area

190.

Which of the following are features of the ALVEOLI that adapt them to gas exchange?

I. Large surface area

II. Thin walls

III. Dry surfaces

a)

I & II ONLY

b)

I ONLY

c)

II AND III

d)

I, II AND III

191.

The smaller branches in lungs.....

a)

Pharynx

b)

Epiglottis

c)

Bronchioles

d)

Alveoli

192.

When zoom into a leaf, structure as shown. Name B which can open and close for gaseous exchange in plants.

a)

Lenticel

b)

Stoma

c)

Guard cell

d)

Chloroplast

193.
How do water enter the roots from the soil?
a)
diffusion
b)
osmosis
c)
transpiration
d)
active transport
194.
Cellular respiration is similar in both plants and animals in what way?
a)
Energy is required and oxygen is released.
b)
Nitrogen is required and energy is released.
c)
Oxygen is required and energy is released.
d)
Oxygen is required and carbon is released.
195.
This is the definition for which word:The movement of particles down a concentration gradient (from a high concentration to a low concentration)
a)
Osmosis
b)
Diffusion
c)
Active transport
d)
Transpiration
196.

Parts of plants that provide a large surface area for gaseous exchange

a)

Leaves

b)

Stems

c)

Roots

d)

Flowers

e)

Fruits

197.

Stomata of plants closed when

a)

Photosynthesis occur

b)

Presence of light

c)

No lights at the surrounding

d)

Plant loses a lot of water

198.

Effects of haze and dust on the survival of plants

a)

Reduce sunlight intensity

b)

Reduce rate of photosynthesis

c)

Stoma clogged with dust

d)

Increase acidity

199.

Earthworms breathe through their ...

a)

gills

b)

skin

c)

lungs

d)

spiracles

200.

This disease refers to a condition that causes shortness of breath, caused by damage in the air sacs in the lungs (alveoli)?

a)

Asthma

b)

Bronchitis

c)

Emphysema

d)

Sinusitis

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