Question

Multiple choice questions on structure of eye

Answer 1

hey!!!
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1. Sequence of eye covering (outer to inner) is
conjunctiva, choroid and sclerotic
retina, choroid and sclerotic
choroid, retina and sclerotic
sclerotic, choroid and retina

2. The part of eye acting as diaphragm of a camera is
iris
pupil
lens
ciliary body

3. Lens and retina of vertebrates eyes are developed from
Ectoderm
Ectoderm
Mesoderm
All of these

4. The muscle responsible to move the eye ball are the
2 recti and 2 oblique muscles
4 recti and 4 oblique muscles
2 recti and 4 oblique muscles
4 recti and 2 oblique muscles

5. The eye membrane which prevents the reflection of the extra light within the eye, by absorbing it is called
cornea
retina
sclera
choroid

6. Monocular vision is found in
fihes
reptiles
ambhibians
all of these

7. Deficiency of vitamin A in the body results in insufficient rhodopsin in the rods which leads to
colourblindness
totalblindness
nightblindness
myopia

8. Only organism with two pupils in each eye is
Bird Struthio
Fish Anableps
Turtle Amyda
Toad Bufa

9. The focal length of eye lens is controlled by
iris muscles
cornea
ciliary body
pupil

10. Where the optic nerve leaves the eye, the retina has no rods and cones and the images falling in this area cannot be perceived. This area is referred to as the
yellow spot
black spot
white spot
blind spot

hope help u!!

Answer 2

hye!

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↪The outermost layer, known as the fibrous tunic, is composed of the cornea and sclera.

↪ which helps provide shape to the eye and support the deeper structures.

↪The middle layer, known as the vascular tunic or uvea,.

↪consists of the choroid, ciliary body, pigmented epithelium and iris.