General Science Questions for Class 4

Which are responsible for biting, chewing, crushing and grinding the food we eat?

1. Nails
2. Eyes
3. Ears
4. Teeth

Teeth are similar to bone and contain a mineralized matrix called?

1. Enamel
2. Canines
3. Incisors
4. None

Which teeth are used to rip and tear food?

1. Enamel
2. Canines
3. Incisors
4. None

The __ are pointed teeth that are adopted for tearing and slashing.

1. Canines
2. Incisors
3. Enamel
4. None

Tearing teeth present in human are?

1. Incisors
2. Enamel
3. Canines
4. None

What is the job of incisor teeth?

1. Grinding and crushing food
2. Snipping and cutting off pieces of food
3. Tearing and piercing flesh
4. Mixing food with saliva

There are _____ primary teeth and _____ permanent teeth.

1. 20, 28
2. 20, 32
3. 32, 20
4. 28, 20

Which is the body part for hearing and maintaining the body’s balance?

1. Nose
2. Ear
3. Eyes
4. Brain

Which part of the body is the made up of internal and external parts?

1. Nose
2. Brain
3. Eye
4. Ear

The part of ear which is visible called?

1. External Ear
2. Internal Ear
3. Both A and B
4. None