Grade : X
Subject : Biology
Worksheet- Sense Organ
Question 1 Choose the correct option:
i) Dilation of the pupil helps in allowing maximum light to reach the
a) Nerve b) Neuron c) Eyes d) Brain
ii) When a person faces problem in perceiving in feeble light at the night time , then
this condition is known as
a) Colour blindness b) Night – blindness
c) Colour vision d) None of the above
iii) The lens tends to appear extremely thinner, when it is subjected to
a) Nearby vision b) Opposite vision
c) Same vision d) Distant vision
iv) The photo receptive cell of the retina sensitive to colour
a) Cones b) rods c) organ of corti d) iris
v) The smallest ear ossicle is
a) Stapes b) malleus c) incus d) cochlea
Question 2 Give exact location and function of:
a) Pinna
b) Ear ossicles
c) Organ of corti
d) Fovea
e) Vitreous humour
Question 3 Difference between the following:
a) Rod and cone cells (pigment)
b) Myopia and hypermetropia (cause of defect)
c) Dynamic balance and static balance (definition)
d) Choroid and sclerotic balance (definition)
Question 4 Give the technical term:
Subject : Biology
Worksheet- Sense Organ
Question 1 Choose the correct option:
i) Dilation of the pupil helps in allowing maximum light to reach the
a) Nerve b) Neuron c) Eyes d) Brain
ii) When a person faces problem in perceiving in feeble light at the night time , then
this condition is known as
a) Colour blindness b) Night – blindness
c) Colour vision d) None of the above
iii) The lens tends to appear extremely thinner, when it is subjected to
a) Nearby vision b) Opposite vision
c) Same vision d) Distant vision
iv) The photo receptive cell of the retina sensitive to colour
a) Cones b) rods c) organ of corti d) iris
v) The smallest ear ossicle is
a) Stapes b) malleus c) incus d) cochlea
Question 2 Give exact location and function of:
a) Pinna
b) Ear ossicles
c) Organ of corti
d) Fovea
e) Vitreous humour
Question 3 Difference between the following:
a) Rod and cone cells (pigment)
b) Myopia and hypermetropia (cause of defect)
c) Dynamic balance and static balance (definition)
d) Choroid and sclerotic balance (definition)
Question 4 Give the technical term:
