STD IV My Body Science quiz

This is an internal organ.

• Ear

• Eye

• Tongue

• Stomach

Tags

NGSS.MS-LS1-3

The process of breaking down of complex food materials into simpler forms is called-

• Digestion

• Movement

• Breaking down

• Respiration

Total number of teeth in adult mouth is-

• 30

• 31

• 32

• 20

The teeth, used to tear food into pieces, are known as-

• Incisors

• Canines

• Molars

• Premolars

The total number of incisors in human mouth is-

• 4

• 8

• 6

• 10

Total number of premolars in human mouth is-

• 8

• 10

• 12

• 6

Total number of molars in adult human is-

• 12

• 8

• 4

• 10

The function of incisors is-

• To tear the food

• To bite and cut the food

• To grind the food

• To chew the food

The hardest substance in the human body is-

• Muscle

• Nails

• Enamel

• Hair

How many pairs of salivary glands are present in our body?

• 3

• 2

• 1

• 0