BIOSENSORS AND BIOELECTRONICS-SUPPLY 2K8

Code No: RR422307 Set No. 1
IV B.Tech II Semester Supplimentary Examinations, May 2008
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. What are biological sensors ? Explain briefly differences among Biosensors, Chem-
ical sensors and Physical sensors. [16]
2. With respect to Sensors in general, what do you understand by
(a) Time constant
(b) Resolution
(c) Response time. [16]
3. Describe briefly
(a) Bilayer Lipid membranes
(b) Chemoreceptions. [16]
4. What is the working principle of Inductive sensor? What are its advantages? [16]
5. Write about the medical applications and working of Microdialysis Biosensor with
a neat diagram. [16]
6. Give an account on the following biosensors used in Online Monitoring
(a) Potentiometric Biosensors
(b) Amperometric Biosensors [8+8]
7. Explain about the errors in construction of Complex Molecular structure. [16]
8. Explain in detail about the following
(a) Assembly of Photonic biomolecular memory store.
(b) DNA Computation. [8+8]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
Code No: RR422307 Set No. 2
IV B.Tech II Semester Supplimentary Examinations, May 2008
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. What do you understand by molecular recognition? Explain briefly the simplest
mechanism for an enzyme catalyzed reaction. [16]
2. What do you understand by surface modification in Biosensors? Explain covalent
modification of Surfaces. [16]
3. What do you understand by “Photometric Transducers”? What is the use of wave
guide in the Photometric Transducers? [16]
4. Describe briefly the following:
(a) Piezo resistive effect
(b) Pyro electric effect
(c) Magnetostiction. [16]
5. Write about the applications and uses of Biosensors in clinical chemistry ,medicine
and healthcare. [16]
6. Explain about Laboratory based and Field Analytical based biosensors in Environ-
mental Monitoring. [16]
7. Write about the Carter’s list on number of possible Memory storage devices. [16]
8. Write about a two dimensional memory store Model with larger domains. [16]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
Code No: RR422307 Set No. 3
IV B.Tech II Semester Supplimentary Examinations, May 2008
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. What are biological sensors ? Explain briefly differences among Biosensors, Chem-
ical sensors and Physical sensors. [16]
2. What do you understand by Biological recognition Elements? Indicate primaries
categories of Enzymes used in Biosensors? [16]
3. What do you understand by Zero - Order sensors ? Indicate a simple linear rela-
tionship between Response and analyte concentration. [16]
4. Briefly describe the use of Bipolar circuits, MOS Circuits and Integrated Optics in
sensor technology. [16]
5. Explain in detail about the following used in various industries.
(a) Laboratory Analyser
(b) Flow devices [8+8]
6. Write about the signal transducers used in Environmental Monitoring.
(a) Potentiometric
(b) Amperometric
(c) Optical
(d) Piezoelectric [4+4+4+4]
7. Give an account on the potential advantages of a Biomolecular computer. [16]
8. Explain how a chromophore is used to create memory store in a photonic computer.
[16]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
Code No: RR422307 Set No. 4
IV B.Tech II Semester Supplimentary Examinations, May 2008
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. What do you understand by
(a) Entrapment
(b) Cross Linking
(c) Biological binding in Biosensors. [16]
2. With respect to Sensors in general, what do you understand by
(a) Time constant
(b) Resolution
(c) Response time. [16]
3. Explain in detail the working of a typical strain gauge type of transducer for mea-
surement of pressure. [16]
4. Briefly describe the working principle of Piezoelectric crystal based sensor. [16]
5. Give an account on Optic or Optoelectronic Biosensors and uses in various indus-
tries. [16]
6. Explain in detail about the biosensors used in Environmental Monitoring. [16]
7. Explain the problems in using Conventional chips and write how they are replaced
by Biochips. [16]
8. Discuss in detail about the Commercial prospects for biomolecular computing sys-
tem. [16]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1

BIOSENSORS AND BIOELECTRONICS-REG 2K6

Code No: RR422307 Set No.1
IV B.Tech. II Semester Regular Examinations, April/May -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are biosensors? Write in detail about the types of biosensors used in biological
applications? [16]
2. Write in detail about the types of membranes used in biosensors and their merits
and demerites. [16]
3. Write in brief about types of transducers used in biosensors their principles and
applications. [16]
4. Write notes on any two of the following: [16]
(a) Piezo electric Transducers
(b) Chemiluminiscence based biosensors
(c) Impedemetric Transducers.
5. Write in brief about applications of biosensors in Medicine, agriculture and food
industries? [16]
6. Discuss the potential advantages and developments of developing a biomolecular
computer. [16]
7. Write in detail about the following: [16]
(a) Molecular arrays as memory stores
(b) Molecular wires and switches
(c) Mechanisms of unit assembly
in a biomolecular computer.
8. Write in brief the designing of biomolecular photonic computer and it’s commercial
prospects in biotechnology sector. [16]
? ? ? ? ?
1 of 1
Code No: RR422307 Set No.2
IV B.Tech. II Semester Regular Examinations, April/May -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are biosensors? Write in detail about various components of biosensors with
their working mechanism. [16]
2. Write in detail the types of biosensors, their merits and demerits? [16]
3. Write in brief bout types of transducers with their working mechanism and their
applications in biotechnology fields? [16]
4. Write short notes on the following: [16]
(a) Optical Transducers
(b) Conductometric Transducers
(c) Potentiometric Transducers
(d) Chemileuminiscence Transducers.
5. Write short notes on [16]
(a) Molecular arrays
(b) Molecular switches
(c) Mechanisms of unit assembly.
6. Write in brief about biosensors used in [16]
(a) Online Monitoring for industrial processes
(b) Environmental monitoring.
7. Write in brief potential advantages and developments towards a biomolecular com-
puter. [16]
8. Write short notes on the following: [16]
(a) Information processing
(b) Assembly of biomolecular memory store.
? ? ? ? ?
1 of 1
Code No: RR422307 Set No.3
IV B.Tech. II Semester Regular Examinations, April/May -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write in detail about types of biosensors and their applications in various industrial
& research areas. [16]
2. Write in detail the types of membranes used in biosensors, their working mechnisms
and limitations. [16]
3. Write short notes on the following: [16]
(a) Calorimetric transducers
(b) Piezoelectric transducers
(c) Mechanical transducers
(d) Electronics based transducers.
4. Write in detail the principles and applications of various transducers in biotechnol-
ogy sector. [16]
5. Write short notes on applications of biosensors in [16]
(a) Clinical Industry
(b) Medicine and Healthcare
(c) Agriculture and food
(d) Environmental monitoring.
6. Write short notes on: [16]
(a) Molecular switches
(b) Mechanisms of unit assembly
(c) Molecular arrays.
7. Write in brief about potential developments and advantages of using a biomolecular
computer. [16]
8. Discuss the components and working mechanism of a biomolecular photonic com-
puter and it’s commercial prospects. [16]
? ? ? ? ?
1 of 1
Code No: RR422307 Set No.4
IV B.Tech. II Semester Regular Examinations, April/May -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write in detail types of biosensors and their applications in biotechnology sector.
[16]
2. Write in detail about the components and working mechanism of biosensor. [16]
3. Write in brief about the types of transducers and their applications in industries.
[16]
4. Write the principle and working mechanism of a transducer. State their merits and
demerits. [16]
5. Write short notes on: [16]
(a) Biosensors in clinical chemistry
(b) Biosensors in medicine and healthcare.
6. Write short notes on: [16]
(a) Molecular arrays
(b) Molecular switches
(c) Mechanism of unit assembly.
7. Write in short the need for developing a biomolecular computer and state its
prospectus. [16]
8. How you will design a biomolecular photonic computer? State its components and
working mechanism. [16]
? ? ? ? ?
1 of 1

BIOSENSORS AND BIOELECTRONICS-supply june 2k6

Code No: RR422307 Set No.1
IV B.Tech. II Semester Supplementary Examinations, June -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are Biosensors? Give their advantages and limitations. [16]
2. Write about types of biosensors and their working mechanisms. [16]
3. What are transducers? Give their principle of working and applications. [16]
4. What are the applications of biosensors in
(a) Medicine and healthcare
(b) Agriculture and food industries. [8+8]
5. Write short notes on:
(a) Biomolecular computer
(b) Molecular wires and switches. [8+8]
6. Write about potential advantages of a biomolecular computer. [16]
7. Write in detail about the types of membranes used in biosensor constructions? [16]
8. Write short notes on the following:
(a) Piezoelectric transducers
(b) Impedimetric transducers. [8+8]
? ? ? ? ?
1 of 1
Code No: RR422307 Set No.2
IV B.Tech. II Semester Supplementary Examinations, June -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write notes on following:
(a) Biocatalyst based biosensors
(b) Bioaffinity based biosensors. [8+8]
2. Write about types of biomembranes used in biosensor construction. [16]
3. What are transducers? Give types of transducers, their principle and working
mechanisms. [16]
4. Write about the applications of biosensors in:
(a) Medicine and Healthcare
(b) Agriculture and food industries. [8+8]
5. Write the advantages of Biomolecular computer and its applications in biotechnol-
ogy fields. [16]
6. Write about applications of biosensors in
(a) Veternary
(b) Clinical chemistry. [8+8]
7. Explain the following:
(a) Mechanisms of unit assembly
(b) Molecular wires and switches. [8+8]
8. Write short notes on :
(a) Amperometric transducers
(b) Optical transducers. [8+8]
? ? ? ? ?
1 of 1
Code No: RR422307 Set No.3
IV B.Tech. II Semester Supplementary Examinations, June -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write about types of biosensors and their applications in various biological related
fields? [16]
2. Write about types of biomembranes used in construction of biosensors? [16]
3. Write about types of transducers, their working principles and applications? [16]
4. Write in brief about applications of biosensors in
(a) Veternary
(b) Clinical chemistry. [8+8]
5. How one can develop molecular arrays as memory stores in developing a biomolec-
ular computer. Explain. [16]
6. Write about the following:
(a) Mechanisms of unit assembly
(b) Molecular wires and switches. [8+8]
7. Write about the design of a biomolecular photonic computer with all its components
and function. [16]
8. Write short notes on:
(a) Amperometric transducers
(b) Optical transducers. [8+8]
? ? ? ? ?
1 of 1
Code No: RR422307 Set No.4
IV B.Tech. II Semester Supplementary Examinations, June -2006
BIOSENSORS AND BIOELECTRONICS
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are types of biomembranes that are useful in the biosensors? [16]
2. Write about types of biosensors and their applications in biotechnology related
fields. [16]
3. Write about types of transducers, their principle of working mechanism and appli-
cations. [16]
4. Write in brief about applications of biosensors in
(a) Medicine and Healthcare
(b) Agriculture and food industries. [8+8]
5. Write about the following:
(a) Biomolecular computer
(b) Molecular wires and switches. [8+8]
6. How are molecular arrays used as memory stores in developing a biomolecular
computer? [16]
7. Write about the following:
(a) Mechanisms of unit assembly
(b) Bio-Molecular Computing system. [8+8]
8. Write short notes on:
(a) Amperometric Transducers
(b) Impedimetric Transducers. [8+8]
? ? ? ? ?
1 of 1

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]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
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]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
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]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
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]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1