Language of Nervous System

Q. Answer any five questions 1-6. One mark each. (5 x 1 = 5)

Write one major function each of:
A) Cornea
B) Optic nerve

Q.

Identify the parts in the diagram:

1. A. Midbrain, B. Cerebellum, C. Pituitary Gland, D. Medulla

2. A. Medulla, B. Cerebellum, C. Pituitary Gland, D. Midbrain

3. A. Midbrain, B. Pituitary Gland, C. Cerebellum, D. Medulla

4. A. Pituitary Gland, B. Cerebellum, C. Midbrain, D. Medulla

Q.

Which of the following statements are true?
(i) Sudden reaction in response to the stimulus is called reflex action.
(ii) Sensory neurons carry signals from the spinal cord to muscles.
(iii) Motor neurons carry signals from receptors to spinal cord.
(iv) The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc.

1. (i) and (ii)

2. (i) and (iii)

3. (i) and (iv)

4. (i), (ii) and (iii)

Q.

All of the following are examples of an external stimulus except.

1. Hunger

2. Sunlight

3. A loud sound

4. A thorn

Q.

A signal known as stimuli, causes an organism to react in a certain way. This reaction is known as:

1. Stimulus

2. Message

3. Response

4. Idea

Q.

Which of the following is not a part of the neuron?

1. Lobe

2. Synaptic bulb

3. Cell body

4. Dendrite

Q. Taking hands off a sharp object is an example of a response.

1. True
2. False

Q. Any detectable change which generates a response in an organism is called stimulus.

1. True
2. False

Q. Touch, pain, smell and change in temperature are examples of .

1. reactions
2. stimuli
3. responses

Q. The nervous system is divided into nervous system consisting of the brain and the spinal cord and the nervous system consisting of neural network.

1. central
2. external
3. internal
4. peripheral