Introduction to Nervous System

Q.

What is the difference between ANS, CNS, and SNS?

Q. Which of the nervous system transmits impulses from $CNS$ to involuntary organs and smooth muscle ?

1. Sympathetic nervous system
2. Autonomic nervous system
3. Somatic nervous system
4. Parasympathetic nervous system

Q.

Heart beat and breathing are controlled by:

1. cerebrum

2. spinal cord

3. cerebellum

4. medulla oblongata

Q.

Duramater is the outermost layer of the meninges.

1. True
2. False

Q. Which of the following organisms lack(s) a brain?

1. Insects
2. Octopus
3. Hydra
4. Planaria

Q. Which of the following organs of our body acts as the 'command and control system'?

1. Brain
2. Pituitary gland
3. Emergency gland
4. Spinal cord

Q. The human neural system is derived from which of the following neural systems?

1. Ectoderm
2. Endoderm
3. Mesoderm
4. All of the above

Q. Study of morphology, physiology and pathology of the neural system is known as

1. neurology
2. histology
3. entomology
4. cytology

Q.

Briefly explain the following terms:

Polarized state of the neuron

Q.

What is the classification of the prosencephalon?

Q. Choose the correct option to label the bacteriophage.

1. A - Head, B - Collar, C - Sheath, D -Tail fibre, E - End plate
2. A - Head, B - Collar, C - Tail, D - Plate, E – Prongs
3. A - Head, B - Collar, C - Tail, D - Plate, E - Pins
4. A - Head, B - Tail, C - Collar, D - Prongs, E - Pins

Q. Fill in the blanks with appropriate examples.
I. . .. A ... are also called as nematocytes.
II .... B ... is seen in Physalia.
III. Meandrina is also known as ... C ....
IV .... D ... is found in Aurelia.
Here A to D refers to

1. A-Cnidoblasts, B-Cellular level of organisation, C-Sea fan, D-Bilateral symmetry
2. A-Nematocytes, B-Tissue level, C-Sea pan, D-Radial symmetry
3. A-Stinging, B-Cellular level of organisation, C-Sea-cucumber, D-Bilateral symmetry
4. A-Cnidocytes, B-tissue-level of organisation, C-Brain coral, D-Radial symmetry

Q.

Neuron system and computers share certain common features. Comment in five lines.

Q.

does the antipodal cells have any specific function??

Q.

Which of the following is used to measure membrane potential?

1. Sphigmomanometer

2. Thermometer

3. Voltmeter

4. Galvanometer

Q.

4. _______is a reflex centre for heartbeat and respiration.

Q. Which of the following statements is correct about the nervous system in humans​
I. The sympathetic nervous system promotes ‘fight or flight’ responses.​
II. Organs in the body are only controlled or influenced by either the sympathetic or the parasympathetic nervous system​
III. The parasympathetic nervous system promotes food digestion and relaxation in the body​
A. I and II
B. I and III
C. II and III
D. I, II and III

Q. Why differentiability is defined or we can say checked in open interval while continuity in closed interval?

Q.

Peripheral nervous system consists of _______ and _________ nerves.

Q. All of the following are parts of forebrain, except:

1. Corpus callosum
2. Cerebellum
3. Hypothalamus
4. Association areas

Q. The human neural system is derived from which of the following germ layers?

1. Ectoderm
2. Endoderm
3. Mesoderm
4. All of the above

Q. The node of Ranvier on an axon is the

1. points devoid of myelin sheath
2. short branched processes
3. fine fibres in the neuroplasm
4. point of contact between two neurons

Q.

The left and right cerebral hemispheres are connected by______ .

1. Corpus callosum

2. Thalamus

3. Hypothalamus

4. Cerebellum

Q. Which of the following function(s) are performed by the nervous system?

1. Intercellular communication
2. Coordination of diverse activities
3. Maintaining homeostasis
4. Carrying oxygen

Q. Electric potential of various parts of brain is recorded by an instrument called as

1. Sphygmomanometer
2. Electrocardiography
3. Electroencephalography
4. CT Scan

Q.

Limbic system along with ___ regulates sexual behaviour.

1. Hypothalamus

2. Thalamus

3. Cerebral cortex

4. Cerebrum

Q. Brain develops from which of the following layer?

1. Ectoderm
2. Endoderm
3. Mesoderm
4. Both A and B

Q.

Which of the following generally transmit nerve impulse only to the cyton/cell body?

1. Axon

2. Dendrite

3. Synaptic knob

4. Node of Ranvier

Q.

Limbic system along with ___ regulates sexual behaviour.

1. Hypothalamus

2. Thalamus

3. Cerebral cortex

4. Cerebrum

Q. Name the instrument which can record electrical activity of brain

1. X-ray
2. ECG
3. EEG
4. Ultrasound