CNS

Q. Which part of the brain has control centers for respiration?

1. Both a and b
2. Medulla oblongata
3. Pons
4. Cerebellum

Q.

How are nerve impulses transmitted from one neuron to another neuron?

Q. Path of reflex action is

1. Receptor → Brain → Muscles
2. Muscles → Spinal cord → Muscles
3. Receptor → Spinal cord → Muscles
4. Muscles → Receptor → Brain

Q.

How do sympathetic and parasympathetic nervous systems control the functioning of the internal organs?

Q.

Which layer of cell wall has simple and border pit and why

Q.

Name the tissue present in the brain.

Q.

Differentiate between receptor and effector.

Q.

Column I lists the part of the human brain and column II lists the functions. Match the two columns and identify the correct choice from those given options.

	Column I		Column II
(a)	Cerebrum	(1)	Controls the pituitary
(b)	Cerebellum	(2)	Controls vision and hearing
(c)	Hypothalamus	(3)	Controls the rate of heartbeat
(d)	Midbrain	(4)	Seat of intelligence
		(5)	Maintains body posture

1. (a)-(5), (b)-(4), (c)-(2), (d)-(1)

2. (a)-(4), (b)-(5), (c)-(2), (d)-(1)

3. (a)-(5), (b)-(4), (c)-(1), (d)-(2)

4. (a)-(4), (b)-(5), (c)-(1), (d)-(2)

Q.

What is the main function of nerve impulses?

Q.

Define nerve impulse. Which structure in a neuron helps to conduct a nerve impulse

1) towards the cell body.

2) away from the cell body.

Q. What are apolar neurone ?

Q.

What does the visceral nervous system comprise?

Q.

What constitutes the central and peripheral nervous systems? How are the components of the central nervous system protected?

Q.

Who put forward the cell theory and what are its salient features?

Q.

Circle the odd one out. Give reasons for your choice.

1. Sensory nerve

2. Motor nerve

3. Associate nerve

4. Synapse

Q.

Purkinje fibers are present in the human brain.

1. True
2. False

Q.

Neurons that conduct impulses from the brain or spinal cord to a muscle or gland are

1. motor neurons

2. sensory neurons

3. association neurons

4. mixed neurons

Q.

What is myelin sheath?

Q.

Basic respiratory rhythm centre is generated by

1.dorsal respiratory group of neurons

2.ventral respiratory group of neurons

3.pneumatic centre of medulla oblongota

4.pneumatic centre of pons varolli

Q. Put the following parts of a reflex arc in the correct order beginning with the sensory receptor.
A. Motor neuron
B. Interneuron
C. Effector
D. Sensory neuron
E. Sensory receptor

1. E, D, B, A, C
2. E, D, A, B, C
3. A, B, C, D, E
4. A, E, D, B, C

Q.

The letter T in T-lymphocytes refers to

1. Thyroid

2. Thymus

3. Tonsil

4. Thalamus

Q.

What do grey and white matter in the brain represent?

Q. Which of the following statement is incorrect ?

1. Expiratory centre lies in pons and inspiratory centre lies in medulla
2. The inspiratory centre increases the strength of contraction of rib muscles
3. Breathing movements are caused by change in concentration of $C{O}_2$ in the blood
4. Pneumotaxic centre controls the switch off point of inspiration

Q.

What is the function of dura mater?

Q.

What is the function of cerebrospinal fluid?

Q.

Somatic nervous system consists of ______ and _____

Q. Human neural system consists of

1. the central nervous system and the peripheral nervous system.
2. the central nervous system and the autonomic nervous system.
3. the autonomic nervous system and the somatic nervous system.
4. the sympathetic nervous system and the parasympathetic nervous system.

Q.

In daily life, which part of the brain controls standing, walking, running etc?

1. Cerebrum

2. Cerebellum

3. Hypothalamus

4. Diencephalon

Q.

Name the tissue that is responsible for the transmission of stimulus?

Q.

Which of the following pairs of brain parts is not correctly matched with its function?

1. Cerebellum : Balance of body

2. Cerebrum : Memory

3. Pons : Consciousness

4. Medulla oblongata : Controls activities of internal organs