SCIENCE F3 CHAPTER 1.2

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Name *

Class *

States: *

Which of the following is stimulus for eyes? *

1 point

Chemical substances

Sound

Light

Touch

Which of the following statements is TRUE about senses of sight? *

4 points

Images will be converted into impulse before being transfer to brain

Light enter the eyes through pupil

Light refracted through cornea, aqueous humour, eye lens & vitreous humour

Upright & larger images

Inverted & smaller images forms

Required

All the following are skin receptors EXCEPT *

2 points

Light receptor

Sweet receptor

Heat receptor

Pressure receptor

Touch receptor

Required

Which of the following are the limitation of sight? *

2 points

Blind spot

Short-sightedness

Long-sightedness

Optical illusion

Required

Complete the following flows: Ear canal → ____________ → Ossicles → Oval window → __________→ Auditory nerves→Brain *

1 point

Ear pinna, Eardrum

Eardrum , Eustachian tube

Cochlea, Semicircular canal

Eardrum, Cochlea

Why reading Braille using tip of finger not other part of the body? *

3 points

More sensitive than other part

Have more reseptors

Have less receptors

Have thin layer of epidermis

Have thick layer of skin

Required

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