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प्रश्न
Mention, if the following statement is True or False
Rods are responsible for vision in the dark
पर्याय
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Draw labelled diagrams of the following: Eye
Draw a labelled sketch of the human eye.
What changes take place in the shape of eye-lens:
when the eye is focused on a distant object?
How does the eye adjust itself to deal with light of varying intensity?
Which of the following controls the amount of light entering the eye?
(a) ciliary muscles
(b) lens
(c) iris
(d) cornea
Which of the following changes occur when you walk out of bright sunshine into a poorly lit room?
(a) the pupil becomes larger
(b) the lens becomes thicker
(c) the ciliary muscle relaxes
(d) the pupil becomes smaller
What shape are your eye-lenses:
when you look at a distant tree?
Suggest how your irises help to protect the retinas of your eyes from damage by bright light.
When is a person said to have developed cataract in his eye? How is the vision of a person having cataract restored?
Among animals, the predators (like lions) have their eyes facing forward at the front of their heads, whereas the animals of prey (like rabbit) usually have eyes at the sides of their head. Why is this so?
Mention if the following statement is true (T) or false (F) Give reason.
Short-sightedness and hyperopia are one and the same thing
The figure below compares a part of our eye with a part of a photographic camera.
Name the corresponding parts of the eye the camera shown here that are comparable in function.
State the main functions of the following:
Coronary Artery
Give the main function of the following:
Fovea centralis
Name the following:
The part of the eye responsible for change in the size of the pupil.
State the Function:
Aqueous humour
Complete the following sentence with appropriate Word
The part of the human eye where rod cells and cone cells are located is the:
Name the capacity of the eye lens to change its focal length as per need.
Write an Explanation.
Minimum distance of distinct vision
Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
