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प्रश्न
State the main functions of the following:
Seminal Vesicles
उत्तर
The fluid produced by seminal vesicle contain fructose which is a sugar that provides energy for surmming of sperms.
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संबंधित प्रश्न
Define the term.
Power of accommodation of the eye.
With the help of ciliary muscles the human eye can change its curvature and thus alter the focal length of its lens. State the changes that occur in the curvature and focal length of the eye lens while viewing (a) a distance object, (b) nearby objects.
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Are these lenses thinner at the middle or at the edges?
What is the principal function of the eye-lens?
How does the convex eye-lens differ from the ordinary convex lens made of glass?
The size of the pupil of the eye is adjusted by:
(a) cornea
(b) ciliary muscles
(c) optic nerve
(d) iris
A person got his eyes tested. The optician's prescription for the spectacles reads:
Left eye: − 3.00 D
Right eye: − 3.50 D
The person is having a defect of vision called:
(a) presbyopia
(b) myopia
(c) astigmatism
(d) hypermetropia
The region in the eyes where the rods and cones are located is the
Name the following:
The part of the eye responsible for its shape.
Sometimes you remember a vivid picture of a dream you saw. What is the role of your eyes in this experience?
Choose the correct answer.
Rods are receptor of ______________
Answer the following question.
Trace the sequence of events Whichoccur when a bright light is focused on your eyes.
Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances
For a normal human eye the near point is at _______.
In a relaxed state, the focal length of healthy eyes is _______.
Name the capacity of the eye lens to change its focal length as per need.
Write an Explanation.
Minimum distance of distinct vision
A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in the figure as A, B, C and D. In which position mirror will be visible?
 |
 |
 |
 |
| (A) | (B) | (C) | (D) |
Which of the following is responsible for the adjustment of the size of pupil?
With reference to human eye answer the question that follow:
Name the part of the eye associated with keeping the lens moist and protecting it from physical shock.
