Class 8 chapter 2

The weight of brain of an adult main is.

• 1.5 kg

• 2.0 kg

• 2.5 kg

• 3.0 kg

It is made up of interneurons.

• Spinal cord

• PNS

• CNS

• Medulla oblongata

Human brain in enclosed in a bony skull called.

• Medulla oblongata

• Cerebellum

• Cerebrum

• Cranium

The central nervous system is made of

• Spinal cord

• Brain

• All parts of body

• Brain and spinal cord

Inter neurons are present in

• CNS

• PNS

• Nucleus

• Cytoplasm

All parts of the nervous system. i.e. brain , spinal cord and nerves are made up of.

• CNS

• PNS

• Neurons

• Nerve impulses

In nerve impulse in created in

• Sensory neuron

• Spinal cord

• PNS

• CNS

In humna body spinal nerves have pairs

• 12

• 13

• 31

• 32

What is the largest part of brain?

• Fore Brain

• Mid Brain

• Hind Brain

• None

Nervous system have how many parts?

• 1

• 2

• 3

• 4