Solapur University PG Question Papers Old Exam Papers Previous Years Test Papers
M.Sc. (Part– II) (Semester – III) Examination, 2015
AGROCHEMICALS AND PEST MANAGEMENT (Paper – XI)
Analysis of Agrochemicals
Day and Date : Monday, 20-4-2015 Max. Marks : 70
Time : 3.00 p.m. to 6.00 p.m.
Instructions : 1) All questions are compulsory.
2) All questions carry equal marks.
3) Solve any two questions from Section II
4) Solve any two questions from Section III.
SECTION – I
I. Choose correct answer from options given below : 14
1) The radioisotopes have
a) same atomic number and same mass number
b) same atomic number and different mass number
c) different atomic number and same mass number
d) different atomic number and different mass number
2) How many signals will be observed in NMR spectrum of ethanol ?
a) One b) Two
c) Three d) Four
3) Which of the following is not used as a detector in HPLC ?
a) Scintillation counter b) Fluorescence detector
c) UV d) Refractometer
4) Intensity of fluorescence depends upon ____ of solution.
a) Volume b) Pressure
c) Concentration d) Polarity
5) How many fundamental vibrations can be observed in IR Spectrum of linear NO molecule ?
a) 5 b) 1
c) 3 d) 4
6) ___________ is used as polarizable indicator electrode in polarography.
a) Glass electrode b) Platinum electrode
c) Mercury pod d) DME
7) Sulphur dioxide is analysed by _________ method.
a) IR b) Gas chromatography
c) Polarography d) Spectrophotometry
8) Shift of absorption maxima (lambda max) to shorter wavelength is known as __________ shift.
a) Bathochromic b) Hypsochromic
c) Hyperchromic d) Hypochromic
9) The column in HPLC is made from ________ material to withstand high pressure.
a) Plastic b) Stainless steel
c) Rubber d) Silk
10) Which of the following solution is added as maximum suppressor in polarographic experiment ?
a) Soap solution b) Glucose solution
c) KCI solution d) Gelatin solution
11) The intensity of base peak in the mass spectroscopy is
a) 100 % b) 90 %
c) 40 % d) 60 %
12) UV spectroscopy is mainly useful in the determination of
a) Conjugation b) Functional group
c) Molecular weight d) None of these
13) Which type of radiations are absorbed in NMR spectroscopy ?
a) Radiofrequency b) Visible
c) IR d) Microwave
14) The method of separation of volatile substances by using gas as mobile phase is called as
a) IR b) GC
c) NMR d) Mass
SECTION – II
Solve any two questions.
2. A) Draw schematic diagram of Mass Spectrometer and describe it working. 7
B) Scintillation counter. 7
3. A) What is SFC ? Explain the instrumentation of SFC with diagram. 7
B) Explain the theory of PMR spectroscopy in details. 7
4. A) Discuss the principle of Fluorescence spectroscopy and describe the instrument of Fluorescence spectroscopy with diagram. 7
B) Discuss the principle of GC and describe the instrumentation of GC with diagram. 7
SECTION – III
Solve any two questions.
5. A) CO monitoring. 5
B) Geiger Muller Counter. 5
C) Different types of detectors used in UV spectroscopy. 4
6. A) Explain the measurement of polarogram. 5
B) Give the principle of IR spectroscopy and explain different types of vibrations. 5
C) How will you distinguish the following pairs by IR spectroscopy ? 4
7. A) State and explain Lambert - Beer law. 5
B) SO2 analysis. 5
C) How many number of NMR signals in the following Molecular structure 4
1) Ethane
2) Ethyl bromide
3) Benzene
4) Acetaldehyde.
_______________
M.Sc. (Part– II) (Semester – III) Examination, 2015
AGROCHEMICALS AND PEST MANAGEMENT (Paper – XI)
Analysis of Agrochemicals
Day and Date : Monday, 20-4-2015 Max. Marks : 70
Time : 3.00 p.m. to 6.00 p.m.
Instructions : 1) All questions are compulsory.
2) All questions carry equal marks.
3) Solve any two questions from Section II
4) Solve any two questions from Section III.
SECTION – I
I. Choose correct answer from options given below : 14
1) The radioisotopes have
a) same atomic number and same mass number
b) same atomic number and different mass number
c) different atomic number and same mass number
d) different atomic number and different mass number
2) How many signals will be observed in NMR spectrum of ethanol ?
a) One b) Two
c) Three d) Four
3) Which of the following is not used as a detector in HPLC ?
a) Scintillation counter b) Fluorescence detector
c) UV d) Refractometer
4) Intensity of fluorescence depends upon ____ of solution.
a) Volume b) Pressure
c) Concentration d) Polarity
5) How many fundamental vibrations can be observed in IR Spectrum of linear NO molecule ?
a) 5 b) 1
c) 3 d) 4
6) ___________ is used as polarizable indicator electrode in polarography.
a) Glass electrode b) Platinum electrode
c) Mercury pod d) DME
7) Sulphur dioxide is analysed by _________ method.
a) IR b) Gas chromatography
c) Polarography d) Spectrophotometry
8) Shift of absorption maxima (lambda max) to shorter wavelength is known as __________ shift.
a) Bathochromic b) Hypsochromic
c) Hyperchromic d) Hypochromic
9) The column in HPLC is made from ________ material to withstand high pressure.
a) Plastic b) Stainless steel
c) Rubber d) Silk
10) Which of the following solution is added as maximum suppressor in polarographic experiment ?
a) Soap solution b) Glucose solution
c) KCI solution d) Gelatin solution
11) The intensity of base peak in the mass spectroscopy is
a) 100 % b) 90 %
c) 40 % d) 60 %
12) UV spectroscopy is mainly useful in the determination of
a) Conjugation b) Functional group
c) Molecular weight d) None of these
13) Which type of radiations are absorbed in NMR spectroscopy ?
a) Radiofrequency b) Visible
c) IR d) Microwave
14) The method of separation of volatile substances by using gas as mobile phase is called as
a) IR b) GC
c) NMR d) Mass
SECTION – II
Solve any two questions.
2. A) Draw schematic diagram of Mass Spectrometer and describe it working. 7
B) Scintillation counter. 7
3. A) What is SFC ? Explain the instrumentation of SFC with diagram. 7
B) Explain the theory of PMR spectroscopy in details. 7
4. A) Discuss the principle of Fluorescence spectroscopy and describe the instrument of Fluorescence spectroscopy with diagram. 7
B) Discuss the principle of GC and describe the instrumentation of GC with diagram. 7
SECTION – III
Solve any two questions.
5. A) CO monitoring. 5
B) Geiger Muller Counter. 5
C) Different types of detectors used in UV spectroscopy. 4
6. A) Explain the measurement of polarogram. 5
B) Give the principle of IR spectroscopy and explain different types of vibrations. 5
C) How will you distinguish the following pairs by IR spectroscopy ? 4
7. A) State and explain Lambert - Beer law. 5
B) SO2 analysis. 5
C) How many number of NMR signals in the following Molecular structure 4
1) Ethane
2) Ethyl bromide
3) Benzene
4) Acetaldehyde.
_______________
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