Class test UNIT#1

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How many nerve cells make up the brain?

• Trillions

• 10 billions

• 100 billions

• Billions

The average human brain weighs ___________ grams.

• 120g -140g

• 1200 g - 1400g

• 12 g - to 14g

• 2 g - to 4 g

Which part of the brain is divided into two halves?

• Cerebrum

• Cerebellum

• Medulla

• Spinal cord

Movement of muscles and joints is controlled by________

• Cerebrum

• Cerebellum

• Medulla

• Spine

_____________part of the brain enables us to remember things.

• Medulla

• Cerebrum

• Cerebellum

• Nerves

How many kinds of nerves are there?

• 4 kind

• 3 kind

• 2 kind

• One kind

Which of the following does brain need in order to function properly?

• Oxygen

• Food

• Sleep

• All of these

Which cells don't re-grow or mend themselves?

• Skin

• Muscles

• Brain

• Bone

Which one of the following is controlled by spinal cord?

• Reflex action

• Digestion

• Thinking

• Beating of heart