BIOSENSORS AND BIOELECTRONICS-suply 2k7

Code No: RR422307 Set No.1
IV B.Tech. II Semester Supplementary Examinations, June -2007
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Define Biosensors. Write about the industrial applications of Biosensors. [16]
2. Write the Principle, mode of operation, applications and limitations of optical based
transducers in Biosensors. [16]
3. Write about the uses of Biosensors in agriculture and environment. [16]
4. Write short notes on any Two: [2 × 8 = 16]
(a) Applications of biosensors in nanotechnology.
(b) Bio polymers as memory stores.
(c) Mechanical based transducers.
5. Write how biomoleucles can be used as bioelectronic devices in the construction of
biomolecular computers. [16]
6. Write the commercial prospects for biomolecular computing systems. [16]
7. Write short notes on:
(a) Types of membranes used in biosensors.
(b) Schematic diagram of a biosensor. [2×8=16]
8. What are the essential features of a biosensor and what are the criteria to select a
specific type of a biosensor. [16]
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Code No: RR422307 Set No.2
IV B.Tech. II Semester Supplementary Examinations, June -2007
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Define a biosensor. Explain the various components of a biosensor. [16]
2. Write about the significance of biosensors in agriculture. [16]
3. Write short notes on any two: [2×8=16]
(a) Piezoelectric based transducers
(b) Biomolecules as logic gates
(c) Applications of biosensors in nanotechnology.
4. Write how biosensors are useful in the online monitoring of industrial products.
[16]
5. Write the uses of biomolecules as molecular wires and switches. [16]
6. Write the commercial prospects for biomolecular computing systems. [16]
7. Write short notes on: [8+8]
(a) Criteria to select a transducer in biosensor
(b) Photonic biomolecules as memory stores.
8. Write the advantages and disadvantages of biomolecule based computers and silicon
based computers. [16]
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Code No: RR422307 Set No.3
IV B.Tech. II Semester Supplementary Examinations, June -2007
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Define a biosensor. Write about the industrial applications of biosensors. [16]
2. Write the commercial prospects for biomolecular computing systems. [16]
3. Write short notes on any two: [2×8=16]
(a) Information processing in optical biomputers
(b) Essential features of a biosensor
(c) Application of biosensors in nanotechnology.
4. Compare the principle, mode of operation, applications and limitations of mechan-
ical and molecular based transducers. [16]
5. Write the principle, applications, advantages and limitations of conductometric
based transducers in biosensors. [16]
6. Write the mechansims of unit assembly in a biomolecular computer. [16]
7. Write short notes on: [2×8=16]
(a) Photonic biomolecular memory stores
(b) Genetically modified organisms as biosensors.
8. What are the essential features of a biosensor and what are the criteria to select
the specific type of biosensor. [16]
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Code No: RR422307 Set No.4
IV B.Tech. II Semester Supplementary Examinations, June -2007
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Define a biosensor. Explain the various components of a biosensor. [16]
2. Write the principle, mode of operation, applications of potentiometric based trans-
ducers in biosensors. [16]
3. Write short notes on any two [2×8=16]
(a) Applications of biosensors in nanotechnology
(b) Molecular electronic based transducers
(c) Essential features of a biosensor.
4. How biosensors can be used in environmental monitoring. [16]
5. Write about the uses of biomolecules as memory storage units in biomolecular
computers construction. [16]
6. Write the uses of biomolecules in optical computing with special reference to bac-
teuorhodopsin. [16]
7. Write short notes on: [2×8=16]
(a) Criteria to select a transducer in biosensor
(b) Chemiluminiscence based biosensors.
8. Write the commercial prospects for biomolecular computing systems. [16]
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