Human Eye and Vision
Physics ⇒ Light and Optics
Human Eye and Vision starts at 8 and continues till grade 12.
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See sample questions for grade 8
A person can see distant objects clearly but not nearby objects. What vision defect does this person have?
Describe the path of light through the human eye, starting from the cornea.
Describe the process of accommodation in the human eye.
Explain the term 'blind spot' in the human eye.
Explain why a person with hypermetropia cannot see nearby objects clearly.
Explain why the image formed on the retina is not perceived as inverted by the brain.
Name the part of the eye where the image is formed.
What is the function of the aqueous humor in the eye?
A person with astigmatism has: (1) A perfectly spherical cornea (2) An irregularly shaped cornea or lens (3) A very long eyeball (4) No lens in the eye
The blind spot in the human eye is the region where: (1) The lens is located (2) The optic nerve leaves the eye (3) The iris is present (4) The cornea meets the sclera
What is the typical value of the least distance of distinct vision for a normal human eye? (1) 10 cm (2) 25 cm (3) 50 cm (4) 100 cm
Which cells in the retina are responsible for color vision? (1) Rods (2) Cones (3) Both rods and cones (4) Optic nerve
If the image of an object is formed in front of the retina, the person is suffering from ________.
Light enters the eye through the ________.
The area of sharpest vision on the retina is called the ________.
The colored part of the eye that gives us our eye color is called the ________.
True or False: Hypermetropia is also known as farsightedness.
True or False: Rod cells in the retina help us see in dim light.
True or False: The fovea contains only cone cells and is responsible for sharp central vision.
True or False: The human eye can adjust its focal length to see objects at different distances.
