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Science
10th
grade
Structure of The Eye | Human Eye and the Colourful World | Assessment | English | Grade 10
5 questions
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- 1. Multiple Choice
Which of the following is not the characteristic or function of cornea?
It is a thin membrane which forms transparent bulge.
It protects eyes against entry of any foreign particle.
It protects lens because it is cloudy in nature.
Most of the light gets refracted at its outer surface.
- 2. Multiple Choice
The colour of the eyes is actually the colour of ___________ .
crystalline lens
iris
pupil
retina
- 3. Multiple Choice
Suppose you are travelling to school via bus. There is a 1 km long and dark tunnel on the way. What will happen when the bus crosses the tunnel?
Iris will contract the pupil
Colour of iris will change
Iris will expand the pupil
Iris will change the colour of cornea
- 4. Multiple Choice
A person is unable to differentiate between green and red colour. Also, s/he is unable to see clearly during night. Which part(s) of the eye might be defected?
Lens and iris respectively
Iris and lens respectively
Rods and cones respectively
Cones and rods respectively
- 5. Multiple Choice
Suppose, if a human eye has a concave lens and brain works as it is supposed to be in full capacity. What will happen?
Size of the object will increase drastically
Ciliary muscles will not help in contracting and expanding the lens
Object will be seen inverted
No image will be formed
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