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WorksheetsCLCE 3rd YEAR 2022: SENSE ORGANS QUIZ
Total questions: 41
Worksheet time: 26mins
The diagram shows a section through a human eye.
Which structure contains muscle fibres that contract in response to sudden changes in light intensity?
A
B
C
D
A person is sitting in a dark room.
What happens in the eye when a light is switched on?
A
B
C
D
The diagram shows a section through the human eye.
Where will an image be detected when a person looks at an object?
A
B
C
D
The diagram shows part of a person’s nervous system that has been cut at X.
A bee stings the finger, as shown.
What are the effects of this sting on the person?
A
B
C
D
A lack of which nutrient causes night blindness?
Calcium
Iron
Vitamin A
Vitamin D
Which diagram shows how light from a distant object is focused on the retina to form a clear image?
A
B
C
D
A light of varying intensity was shone into a person’s eye for 50 seconds.
The graph shows changes in pupil size as the light intensity was changed.
Which statement explains the change in pupil size?
The lighter slowly becoming brighter
The light suddenly becoming brighter
The lighter slowly becoming dimmer
The light suddenly becoming dimmer
The diagram shows a section through a human eye.
Which structure contains the muscles which contract to produce a focused image on the retina?
A
B
C
D
................................. is any specified tissue or cell sensitive to any stimulus
Effector
Affector
Dendrite
Receptor
........................ are rods and cones receptors of the retina of the eye.
Photoreceptors
Chemoreceptors
Mechanoreceptors
Thermoreceptors
.......................... are receptors of taste of the tongue due chemical influences.
Mechanoreceptors
photoreceptors
Thermoreceptors
Chemoreceptors
................................. are receptors for touch, pressure of the skin due to mechanical change
Thermoreceptors
Mechanoreceptors
Chemoreceptors
Photoreceptors
.............................. are heat and cold receptors in the skin
Mechanoreceptors
Thermoreceptors
Photoreceptors
Chemoreceptors
The (a) is a thin membrane covering the entire front part of the eye.
The white portion of the front of the eye is called the (a) .
The (a) layer of the eye is richly supplied with blood vessels for providing nourishment to the eye.
The (a) is the innermost layer of the eyeball which is sensitive to light.
The (a) cells of the eye are sensitive to dim light.
The (a) cells of the eye are sensitive to bright light.
Which part of the ear is shaped like a snail shell?
Semi-circular canals
Cochlea
Stapes
Eustachian tube
Which of the following receptors are responsible for detection of smell?
Olfactory
Gustatory
Olfactory & Gustatory
Somatosensory
The smallest bone called stapes (or stirrup) found in the human boady is located in the:
eustachian tube
inner ear
external or out ear
middle ear
The smallest bones in the human body are found in the ear. These three bones are collectively called ossicles. Which of the following is not part of the ossicles?
Malleus
Sternum
Incus
Stapes
The (a) is also called the malleus.
The (a) is also called the incus.
The (a) is also called the stapes
The lens in the human eye is ____________.
Biconvex
Biconcave
spherical
Cylindrical
The size of the pupil in the human eye is controlled by?
Cornea
Retina
Lens
Iris
The size of the pupil decreases due to the contraction of the:
Radial muscles
Circular muscles
Both circular & radial muscles
Nictiating membrane
Colour to the eyes is imparted by?
Lens
Pupil
Vitreous Humour
Iris
Visual purple or rhodopsin is concerned with:
Bright light
Dim light
Moderate light
darkness
With which of the following is the term 'Olfactory' associated?
feel
see
smell
hear
Which part of the internal ear receives sound waves in man?
Cochlea
Legena
Utriculus
Ampullae
The sensitive area of the human tongue to bitterness is
Tip
Middle part
Posterior part
Edge
Visual purple is found in
cornea
cones
rods
retina
The outer skin layer of the skin is called
Epidermins
Dermis
Collagen
Elastin
The skin is the (a) organ of our body.
The branch of medicine that deals with the skin is called
Hepatology
Rheumatology
Dermatology
Pharmacology
Which is the most common skin disease treated by doctors?
Rosacea
Acne
Keratosis
Bwele
Which of the following is a function of the skin that makes it a sense organ
Heat regulation
Excretion
Vitamin D production
sensation
Study the diagram carefully, which receptor is connected to the hair follicle?
Pressure
Touch
Heat
Taste
