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UNIT 1 - NATURAL SCIENCE: INTERACTION

Total questions: 80

Worksheet time: 40mins

Name
Class
Date
1.

Light passes through the _?_ and enters the eye through the _?_.

a)

fovea / cornea

b)

pupil / lens

c)

cornea / pupil

2.

It is the colored part of the eye.

a)

retina

b)

iris

c)

lens

d)

cornea

3.

It focuses light on the retina at the back of the eye.

a)

lens

b)

fovea

c)

iris

d)

pupil

4.

Nerve receptors in the _?_ detect light and send electrical signals to the _?_.

a)

cornea / gustatory nerve

b)

retina / auditory nerve

c)

pupil / optic nerve

d)

retina / optic nerve

5.

Electrical signals move along the optic nerve to the _?_ .

a)

fovea

b)

brain

c)

peripheral nervous system

6.

A blind spot that cannot detect light. It is the place where the optic nerve meets the retina

a)

cornea

b)

lens

c)

pupil

d)

fovea

e)

iris

7.

1 is _?_ .

a)

sweat gland

b)

hypodermis

c)

hair

d)

blood vessels

8.

2 is _?_ .

a)

nerves

b)

blood vessels

c)

dermis

d)

pores

9.

3 is _?_ .

a)

epidermis

b)

dermis

c)

hypodermis

10.

4 is _?_ .

a)

epidermis

b)

dermis

c)

hypodermis

11.

5 is _?_ .

a)

epidermis

b)

dermis

c)

hypodermis

12.

6 is _?_ .

a)

blood vessels

b)

sweat glands

c)

nerves

13.

7 is _?_ .

a)

blood vessels

b)

sweat glands

c)

nerves

14.

8 is _?_ .

a)

blood vessels

b)

sweat glands

c)

nerves

15.

Sound waves enter the outer ear and go into _?_ .

a)

the nostrils

b)

the cochlea

c)

the ossicles

d)

the ear canal

16.

Sound waves move through the ear canal and make the _?_ vibrate.

a)

eardrum

b)

cochlea

c)

olfactory bulb

d)

nerve receptors

17.

The eardrum makes the _?_ vibrate.

a)

cochlea

b)

hammer, anvil and stirrup

c)

auditory nerve

18.

The hammer, anvil and stirrup are three small bones also known as the _?_ .

a)

cochlea

b)

ossicles

c)

ear canal

19.

It detects sound vibrations in the ossicles and produces electrical signals.

a)

cochlea

b)

eardrum

20.

It carries electrical signals from the cochlea to the brain.

a)

The gustatory nerve.

b)

The optic nerve.

c)

The auditory nerve.

21.

It is in the outer ear.

a)

The auditory canal.

b)

The cochlea.

c)

The eardrum.

d)

The ossicles.

e)

The auditory nerve.

22.

It is in the middle ear.

a)

The auditory canal.

b)

The cochlea.

c)

The eardrum.

d)

The ossicles.

e)

The auditory nerve.

23.

It is in the inner ear.

a)

The auditory canal.

b)

The cochlea.

c)

The eardrum.

d)

The ossicles.

e)

The auditory nerve.

24.

1 is _?_ .

a)

gustatory nerve

b)

nostril

c)

taste bud

d)

olfactory bulb

25.

2 is _?_ .

a)

olfactory bulb

b)

nerve receptors

c)

taste bud

d)

nostril

26.

3 is _?_ .

a)

gustatory nerve

b)

nostril

c)

taste bud

d)

tongue

27.

4 is _?_ .

a)

nerve receptors

b)

nostril

c)

taste bud

d)

tongue

28.

5 is _?_ .

a)

nerve receptors

b)

nostril

c)

taste bud

d)

tongue

29.

6 is _?_ .

a)

taste bud

b)

olfactory bulb

c)

auditory nerve

d)

gustatory nerve

30.

Dermis, epidermis, blood vessels, sweat glands and pores.

a)

Sight

b)

Hearing

c)

Taste

d)

Smell

e)

Touch

31.

Cornea, fovea, iris, lens, optic nerve, retina, pupil.

a)

Sight

b)

Hearing

c)

Taste

d)

Smell

e)

Touch

32.

Auditory canal, auditory nerve, cochlea, eardrum, ossicles.

a)

Sight

b)

Hearing

c)

Taste

d)

Smell

e)

Touch

33.

Nostrils and olfactory bulb.

a)

Sight

b)

Hearing

c)

Taste

d)

Smell

e)

Touch

34.

Gustatory nerve, tastebud and tongue.

a)

Sight

b)

Hearing

c)

Taste

d)

Smell

e)

Touch

35.

_?_ are the smallest living units of living organisms.

a)

Muscles

b)

Tendons

c)

Cells

d)

Bones

36.

Cells that have the same function join together and form _?_ .

a)

organs

b)

tissues

c)

bones

d)

muscles

37.

Tissues work together to form _?_ .

a)

systems

b)

the central nervous system

c)

the peripheral nervous system.

d)

neurons.

38.

Organs work together in different _?_ .

a)

joints

b)

muscles

c)

tendons

d)

systems

39.

Choose the correct order:

a)

cells - systems - organs - tissues

b)

tissues - cells - organs - systems

c)

cells - tissues - systems - organs

d)

cells - tissues - organs - systems

40.

The nervous system carries information between the _?_ and _?_ .

a)

cerebrum / spinal cord

b)

cerebellum / vertebrae

c)

brain / other systems of the body

d)

brain stem / spinal cord

41.

It is NOT a part of the brain.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

42.

It receives and processes information from the sense organs.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

43.

It controls movement, balance and coordination.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

44.

It connects the rest of the brain to the spinal cord.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

45.

It controls involuntary actions.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

46.

The place in the brain where thinking occurs.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

47.

It controls voluntary actions.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

48.

It controls reflex actions.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

49.

It is the biggest part of the brain.

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

spinal cord

50.

1 is _?_ .

a)

axon

b)

axon terminal

c)

dendrite

d)

soma (cell body)

e)

nucleus

51.

2 is _?_ .

a)

axon

b)

axon terminal

c)

dendrite

d)

soma (cell body)

e)

nucleus

52.

3 is _?_ .

a)

axon

b)

axon terminal

c)

dendrite

d)

soma (cell body)

e)

nucleus

53.

4 is _?_ .

a)

axon

b)

axon terminal

c)

dendrite

d)

soma (cell body)

e)

nucleus

54.

5 is _?_ .

a)

axon

b)

axon terminal

c)

dendrite

d)

soma (cell body)

e)

nucleus

55.

Nerves in the peripheral nervous system are made up of tiny cells called _?_ .

a)

axons

b)

neurons

c)

dendrites

56.

Neurons transmit _?_ .

a)

electrical symbols

b)

chemical symbols

c)

electrical signals

57.

_?_ is the part of a neuron that receives electrical signals from other neurons.

a)

An axon

b)

A dendrite

58.

_?_ is the part of a neuron that transmits electrical signals to another neuron.

a)

An axon

b)

A dendrite

59.

Our body responds to signals that come from the _?_.

a)

muscles

b)

brain

c)

bones

60.

Signals travel from the brain through our nervous system to our _?_ .

a)

muscles

b)

tendons

c)

joints

d)

bones

61.

Our _?_ contract and relax.

a)

muscles

b)

bones

c)

joints

62.

Our _?_ move our _?_ so that we can do things.

a)

bones / muscles and joints

b)

joints / bones and muscles

c)

muscles / bones and joints

63.

They carry signals from the sense organs to the brain.

a)

Motor neurons

b)

Sensory neurons

64.

They carry signals from the brain to the locomotor system.

a)

Motor neurons

b)

Sensory neurons

65.

Femur

a)

It is a long bone.

b)

It is a flat bone.

c)

It is a short bone.

66.

Humerus

a)

It is a long bone.

b)

It is a flat bone.

c)

It is a short bone.

67.

Ribs

a)

It is a long bone.

b)

It is a flat bone.

c)

It is a short bone.

68.

Vertebrae

a)

It is a long bone.

b)

It is a flat bone.

c)

It is a short bone.

69.

Scapula

a)

It is a long bone.

b)

It is a flat bone.

c)

It is a short bone.

70.

Ulna

a)

It is a long bone.

b)

It is a flat bone.

c)

It is a short bone.

71.

Sternum

a)

It is a long bone.

b)

It is a flat bone.

c)

It is a short bone.

72.

It is the connection between bones.

a)

Ligaments

b)

Cartilage

c)

Joints

d)

Tendons

73.

It is the tissue that connects bones to bones.

a)

Ligaments

b)

Cartilage

c)

Joints

d)

Tendons

74.

It is the tissue that covers and protects the ends of bones at joints.

a)

Ligaments

b)

Cartilage

c)

Joints

d)

Tendons

75.

It is the tissue that connects muscles to bones.

a)

Ligaments

b)

Cartilage

c)

Joints

d)

Tendons

76.

They are muscles that are found in organs like the stomach and intestines.

a)

Skeletal muscles

b)

Smooth muscles

c)

Cardiac muscles

d)

Voluntary muscles

e)

Involuntary muscles

77.

They are muscles that are joined to bones by tendons.

a)

Skeletal muscles

b)

Smooth muscles

c)

Cardiac muscles

d)

Voluntary muscles

e)

Involuntary muscles

78.

They are muscles that we can control and move when we want.

a)

Skeletal muscles

b)

Smooth muscles

c)

Cardiac muscles

d)

Voluntary muscles

e)

Involuntary muscles

79.

They are muscles that make the heart move and beat.

a)

Skeletal muscles

b)

Smooth muscles

c)

Cardiac muscles

d)

Voluntary muscles

e)

Involuntary muscles

80.

They are muscles that work automatically, we cannot control them.

a)

Skeletal muscles

b)

Smooth muscles

c)

Cardiac muscles

d)

Voluntary muscles

e)

Involuntary muscles

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