sense organs (eyes)

Question 1

what is the exact function of the iris

Answer 1

the pigment of the iris is responsible for the color of the eye

Question 2

what is the exact location of the lacrimal gland

Answer 2

the lacrimal gland is located in the upper lateral region of each orbit

Question 3

which layer forms the iris

Answer 3

choroid layer

Question 4

aqueous humor is present between ______ and _____

Answer 4

cornea and iris

Question 5

the layer of the eyeball that forms the transparent cornea

Answer 5

choroid layer

Question 6

which lens is required to correct Myopia

Answer 6

concave

Question 7

what is the exact location of the ciliary body

Answer 7

The exact location of the ciliary body is at the junction of the choroid and iris.

Question 8

the pigment in rod cells

Answer 8

rhodopsin

Question 9

the pigment in cone cells

Answer 9

iodopsin

Question 10

what is vitreous humor

Answer 10

the fluid that occupies the larger cavity of the eyeball behind the lens is called vitreous humor

Question 11

WHAT IS CONJUCTIVA

Answer 11

it is a thin membrane covering the entire front part of the eye

Question 12

the lens of the eye losing flexibility resulting in a kind of long-sightedness in middle-aged people

Answer 12

PRESBYOPIA

Question 13

what is the function of the suspensory ligament of the eye

Answer 13

holding of the eye lens in position

Question 14

what is the exact location of the yellow spot

Answer 14

CENTRE OF HORIZONTAL AXIS OF THE EYEBALL ON RETINA

Question 15

WHAT IS THE YELLOW SPOT ALSO CALLED

Answer 15

MACULA LUTEAU

Question 16

why can’t we distinguish colors in moonlight

Answer 16

in moonlight rods/rhodopsin helps us to see whereas cones/iodopsin helps us to see color vision which only gets activated only in bright light

Question 17

what is the function of the iris

Answer 17

regulates the amount of light entering the eye

Question 18

which is the part of the human eye that contains both rods and cones

Answer 18

retina

Question 19

what is presbyopia

Answer 19

it is the long-sightedness in elderly people in which eye lens loses flexibility

Question 20

what does the optic nerve do

Answer 20

carries visual stimuli from the retina to the brain

Question 21

what is the main function of the vitreous humor

Answer 21

it is the jelly-like substance that gives shape to the eyeballs

Question 22

what causes myopia

Answer 22

the eyeball is lengthened from front to back

the lens becomes too curved

Question 23

what causes hypermetropia

Answer 23

the eyeball is shortened

the lens becomes flat

Question 24

what is cataract

Answer 24

the lens becomes opaque and vision is cut down to total blindness

Question 25

the eye defect in which the cornea becomes uneven

Answer 25

astigmatism

Question 26

why does one feel blinded for a short amount of time after coming out of a dark room

Answer 26

a person feels blinded for a short while on coming out of a dark room due to light adaptation. This happens because the diameter of the pupil is reduced to allow less light to enter the eyes

Question 27

what is the power of accommodation of the eye

Answer 27

the power to adjust the focal length of the eye is called the power of accommodation of the eye

Question 28

which cell is responsible for vision in the dark

Answer 28

Rods

Question 29

which structure protects the eye from sweat

Answer 29

eyebrows

Question 30

what is stereoscopic vision

Answer 30

it is the phenomenon of simultaneous focusing of an object in both eyes whose images by a kind of overlapping in the brain gives the 3-dimensional effect

Question 31

the function of the choroid layer

Answer 31

supplies blood and nourishes the retina

Question 32

what is the function of the suspensory ligaments

Answer 32

they hold the lens in position.

Question 33

what is the location of the fovea

Answer 33

the fovea is also called the yellow spot of the eye

Question 34

what is the function of the fovea

Answer 34

it is the place where the most acute image is formed

Question 35

which lens is used to correct hyperopia

Answer 35

convex lens

Question 36

which lens is used to correct myopia

Answer 36

concave lens

Question 37

what is hyperopia also called

Answer 37

hypermetropia