4th Grade > Science
HUMAN BODY MCQs
Total Questions : 10
Answer: Option A. ->
Helps you to digest food.
:
A
Saliva is a watery secretion in the mouth produced by the salivary glands that aids in the digestion and swallowing of food. Saliva also serves in moistening and tasting the food. It also kills the germs that are present in the food.
:
A
Saliva is a watery secretion in the mouth produced by the salivary glands that aids in the digestion and swallowing of food. Saliva also serves in moistening and tasting the food. It also kills the germs that are present in the food.
Answer: Option A. ->
True
:
A
:
A
The molars are large, flat teeth at the back of the mouth. They are used primarily to grind food during chewing.
Answer: Option B. ->
:
B
Out of the options, lemon tastes sour. It is because of the citric acid present in it. Chocolate, banana and coffee taste sweet.
:
B
Out of the options, lemon tastes sour. It is because of the citric acid present in it. Chocolate, banana and coffee taste sweet.
Answer: Option A. ->
True
:
A
:
A
Yes, it is the smallest bone present in the body. It is located in the inner ear.
Answer: Option C. ->
Eardrum
:
C
:
C
Vibration of ear drum by the sound help us to hear it.
Answer: Option A. ->
Cochlea
:
A
:
A
The ear is made up of 3 parts - outer, middle and the inner ear. The cochlea is found in the inner ear. The stirrup and eardrum are found in the middle ear. Iris is found in the eye.
Answer: Option A. ->
True
:
A
:
A
Yes, Iris is responsible for the amount of light entering into the eye. It has two pairs of sphincter muscles which adjust the size of the lens depending amount the intensity of light that we are facing.
Answer: Option B. ->
inner ear
:
B
:
B
The cochlea is the part of the inner year. It is spiral in shape like a snail. It contains a cochlear liquid which stirs by stirrup which starts moving when the eardrum vibrates.
Answer: Option B. ->
Papillae
:
B
The little bumps on the tongue are called papillae. These contain the taste buds that give us the sensation of taste.
:
B
The little bumps on the tongue are called papillae. These contain the taste buds that give us the sensation of taste.
Answer: Option B. ->
Olfactory
:
B
:
B
The sense of smell is dependent on Olfactory cells. These are present under a small bundle which is known as Olfactory Epithelium.
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