Light Test

Result

Light Test - 21

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Weekly Quiz Competition

Question 1
1 / -0

Insufficient light causes _________ while powerful light can cause _______.

A
damage to retina, headaches and eye strain

B
headache and eye strain, damage to retina

C
eye strain, formation of multiple image

D
damage to retina, healing to retina

Solution

Insufficient light causes too much enlargement of the pupil and causes eye strain while powerful light can damage the nerve cells present on the retina.
Question 2
1 / -0

Braille system are based on:

A
tasting

B
hearing

C
touching

D
smelling

Solution

With the Braille system visually challenged people can recognize words by touching the dots made on a paper.
Question 3
1 / -0

Choose the correct statement:

A
Only fruits and vegetables are good for our eyes

B
Only food derived from animals are good for our eyes

C
Food derived from both animals and plants are important for healthy eyes

D
Only proper light conditions are important for eye health

Solution

Carrots, broccoli, mango, spinach, papaya, curd, cheese, butter, milk etc, i.e., food derived from plants and animals are important for keeping our eyes healthy.
Question 4
1 / -0

Which of the following way of reading is good for eyes?

A
Reading the book too close to eyes

B
Reading the book by keeping it too far from eyes

C
Keeping the book at normal distance of vision

D
All are true

Solution

While reading, the book must be kept at a normal distance for distinct vision, neither too close from eyes nor too far. At this position, the eyes can see things normally without any stress.
Question 5
1 / -0

Which of the following is a correct way by which we can take care of our eyes?

A
Reading the books by bringing as near as possible

B
Washing our eyes frequently

C
Using as much light as possible while studying

D
Looking directly at sun every morning

Solution

Washing our eyes frequently, with normal water, is a good way to take care of our eyes.It cleans the dirt and dust from eyes.
Reading books at close distances and using more light and looking directly at sun can cause harm to eyes.So these are wrong options.
Question 6
1 / -0

Braille system has ________ dot patterns.

A
62

B
63

C
72

D
73

Solution

Braille system has 63 dot patterns or characters. Each character represents a letter, a combination of letters, a common word or a grammatical sign.
Question 7
1 / -0

Dot patterns in Braille system are also known as :

A
features

B
characters

C
points

D
none of these

Solution

Dot patterns of the Braille system are also known as characters. There are 63 dot patterns or characters in the Braille system.
Question 8
1 / -0

A person having eye problems should eat :

A
spinach, carrot

B
egg, milk

C
rice, banana

D
meat, apple

Solution

Eye problems are mainly due to vitamin A deficiency. Spinach and carrot are rich in vitamin A.
Question 9
1 / -0

Braille system used for visually challenged person is a:

A
Visual aid

B
Auditory aid

C
Tactual aid

D
Electronic aid

Solution

Tactual aids are aids using sense of touch.In Braille system, visually challenged persons can learn to read and write by using a special touch system i.e. Braille.
Question 10
1 / -0

How the dot patterns in Braille system get easily recognized?

A
They are depressed slightly to make the dots easier to touch

B
Two dots are made together so that the dots become more easier to touch

C
The dots are raised slightly to make them easier to touch

D
None of these

Solution

The dot patterns of Braille system when embossed on Braille sheets helps visually challenged person to recognize words by touching.To make them easier to touch,the dots are raised slightly.

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Re-Attempt Weekly Quiz Competition

Light Test - 21

Result

Light Test - 21

Score

-

Rank

-

SHARING IS CARING

Question 1

damage to retina, headaches and eye strain

headache and eye strain, damage to retina

eye strain, formation of multiple image

damage to retina, healing to retina

Solution

Question 2

tasting

hearing

touching

smelling

Solution

Question 3

Only fruits and vegetables are good for our eyes

Only food derived from animals are good for our eyes

Food derived from both animals and plants are important for healthy eyes

Only proper light conditions are important for eye health

Solution

Question 4

Reading the book too close to eyes

Reading the book by keeping it too far from eyes

Keeping the book at normal distance of vision

All are true

Solution

Question 5

Reading the books by bringing as near as possible

Washing our eyes frequently

Using as much light as possible while studying

Looking directly at sun every morning

Solution

Question 6

62

63

72

73

Solution

Question 7

features

characters

points

none of these

Solution

Question 8

spinach, carrot

egg, milk

rice, banana

meat, apple

Solution

Question 9

Visual aid

Auditory aid

Tactual aid

Electronic aid

Solution

Question 10

They are depressed slightly to make the dots easier to touch

Two dots are made together so that the dots become more easier to touch

The dots are raised slightly to make them easier to touch

None of these

Solution

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