NEUROBIOLOGY AND COGNITIVE SCIENCES-SUPPLY 2K6

Code No: RR422305 Set No.1
IV B.Tech. II Semester Supplementary Examinations, June -2006
NEUROBIOLOGY AND COGNITIVE SCIENCES
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are the functions of nervous system and explain in brief the organization of
human nervous system with help of diagrams. [16]
2. What are the properties of neuron and explain the different types of neurons based
on st ructure and functions. [16]
3. Describe the effects of aging on the nervous system and the diseases caused because
of aging. [16]
4. What is a synapse. Describe the transmission of nerve impulse along an axon.[16]
5. Describe the basic characters of sensory receptors. What are the types of sensations
detected by sensory receptors in humans. [16]
6. Write short notes on the following:
(a) Presynaptic and post synaptic neurons difference.
(b) Inter neuron
(c) All or none principle
(d) Myelin sheath. [4x4=16]
7. Describe the neuronal mechanism of behaviour in animals. [16]
8. Answer the following:
(a) Explain the role of hormones on neuronal functions.
(b) Explain in brief the special senses in humans. [8+8]
? ? ? ? ?
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Code No: RR422305 Set No.2
IV B.Tech. II Semester Supplementary Examinations, June -2006
NEUROBIOLOGY AND COGNITIVE SCIENCES
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Describe the peripheral nervous system and explain their major functions. [16]
2. ‘Neuron is the functional unit of the nervous system’ - Explain. [16]
3. Describe the causes and symptoms and pathogenecity of the following neuronal
disorders
(a) Multiple sclerosis
(b) Peripheral neuritis. [8+8]
4. What is a synapse. Describe the mechanism of the nerve impulse. [16]
5. What is the role of brain in sensory system? Discuss in detail. [16]
6. Write short notes on the following:
(a) Action potential
(b) Difference between afferent and efferent neurons
(c) All or None principle
(d) Axon. [4x4=16]
7. Discuss the neuronal response and animal behaviour in various environments.[16]
8. Answer the following:
(a) Explain the role of hormones on neuronal function
(b) Describe the basic characters of sensory receptors. [8x2=16]
? ? ? ? ?
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Code No: RR422305 Set No.3
IV B.Tech. II Semester Supplementary Examinations, June -2006
NEUROBIOLOGY AND COGNITIVE SCIENCES
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Describe the structure and functions of human brain. Draw a neat labelled diagram
of human brain. [16]
2. Define neuron. Draw a neat labelled diagram and describe the various parts and
their functions. [16]
3. Discuss the following age - related neuronal disorders, their causes, symptoms and
pathogenecity.
(a) Alzheimers disease
(b) Parkinsons disease. [8+8]
4. Define synapse. Describe the types of neuronal circuits in the nervous system.[16]
5. What are hormones? Explain briefly the effect of hormones on neuronal functions.
[16]
6. Write short notes on the following:
(a) Inter neuron
(b) All or None principle
(c) Membrane potential
(d) Myelin sheath. [4x4=16]
7. Discuss the neuronal responses and animal behaviour in various environments.[16]
8. Answer the following:
(a) Conduction of impulses by neurons
(b) Types of sensory receptors based on location. [8x2=16]
? ? ? ? ?
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Code No: RR422305 Set No.4
IV B.Tech. II Semester Supplementary Examinations, June -2006
NEUROBIOLOGY AND COGNITIVE SCIENCES
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Describe the central nervous system with the help of a neat labelled diagram.
Explain its major functions. [16]
2. Describe in detail the structure and functions of neuron. [16]
3. Explain the genetic basis of neurological disorders. [16]
4. Define synapse and explain the presynaptic and post synaptic neurons and their
direction of nerve impulse transmission. [16]
5. What are the special senses in humans. Explain in brief the sight and hearing
senses in human beings. [16]
6. Write short notes on the following:
(a) Transmissive and receptive segments of neuron
(b) Polarization
(c) Glial cells
(d) Membrane potential. [4x4=16]
7. Discuss the neuronal mechanism of behaviour in animals. [16]
8. Answer the following :
(a) Pharmaceutical mediator released by neurons
(b) Role of brain in the sensory system. [8x2=16]
? ? ? ? ?
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