M.Sc. (Part – II) (Semester – III),Advanced Spectroscopic Methods (Paper – X),2014 Question Paper,Solapur University Question Paper

Solapur University Question Paper
M.Sc. (Part – II) (Semester – III) Examination, 2014
ORGANIC CHEMISTRY
Advanced Spectroscopic Methods (Paper – X)
Day and Date : Wednesday, 23-4-2014 Total Marks : 70
Time : 3.00 p.m. to 6.00 p.m.
Instructions : 1) Attempt in all five questions.
2) Section I is compulsory.
3) Attempt any two questions from Section II and any two from
Section III.
4) Answers to all questions (Sections I, II and III) should be
written in the one answer book.
5) All questions carry equal marks.
6) Figures to the right indicate full marks.
7) Use of log table and calculators is allowed.
SECTION – I
1. A) Select the correct answer for each of the following : 4
i) Which of the following compound would be expected to absorb light of
longest wave length ?
a) b)
c) d)
ii) How many 1HNMR signals would you expect for H2C = C = CH2 ?
a) 1 b) 2
c) 3 d) 0
SLR-VD – 10 -2-
iii) A cyclic compound of molecular formula C6H10 shows only two signals
in the broad-band decoupled 13C NMR spectrum. The off resonance
decoupled spectrum showed a triplet and doublet. The compound is
a) b)
c) d)
iv) An aromatic hydrocarbon (M = 134) has an intense ion at m/e 91. Which
of the following is consistent with the data ?
a) 1, 4-Diethylbenzene b) n-Butylbenzene
c) 1, 2, 4, 5- Tetramethylbenzene d) 1-Isopropyl-4-methylbenzene
B) Fill in the blanks : 4
i) Each alkyl group produces a bathochromic shift of _____________ when
present on a diene.
ii) The long range coupling constants are usually ______________
iii) The carbonyl carbon of cyclohexanone appears at δ 210 relative to other
carbons due to _____________ in its 13CNMR spectrum.
iv) According to the nitrogen rule if M+ is even, then the compound will contain
an _____________ number of nitrogen atoms.
C) Solve the followings : 6
i) How are (E) and (Z)-2-butene differentiated by proton NMR spectroscopy ?
ii) What are the functional group and finger print region in IR spectrum ?
iii) The UV band of ethylene at λmax175 nm is shifted to λmax217 in 1, 3-
butadiene but remains unchanged in 1, 5-hexadiene. Explain.
iv) What are Lanthanide shift reagents ?
v) Suggest the structure for a hydrocarbon C5H12 with one1HNMR and two
13CNMR peaks.
vi) In 1-propanol the base peak is at 2
m = 31, in allyl alcohol, however it is
at 2
m = 57. Explain.
-3- SLR-VD – 10
SECTION – II
2. A) An organic compound with the molecular formula C8H8N2O3 shows the following
spectral data. Assign the values and deduce the structure of the compound
UV ( ) λmax nm : 225, 335
IR (cm–1) : 3279, 2920, 1683, 1508 and 1462
1HNMR (δ) ppm : 2.1(s, 3H); 7.85 (d, 2H; J = 7.5Jz)
8.25 (d, 2H, J = 7.5 Hz) and 10.6
(brs, 1H)
13CNMR (δ) ppm : 24 (q), 115(d), 122 (d), 123 (s),
171 (s) and 194 (s). 7
B) Draw the Karplus curve and explain its significance. 7
3. A) What is ortho effect in mass spectroscopy ? Explain how it is reflected in the
mass spectral fragmentation of ortho and p-nitro toluenes. 7
B) How are the following pairs of compounds differentiated by the suggested
methods ?
i) 1, 3, 5- Trinitrobenzene and 1, 2, 3-trinitrobonzene by 13CNMR
spectroscopy.
ii) Acetanilide and N-methylbenzamide by IR.
iii) and by UV spectroscopy. 7
4. A) How can the following reaction monitored with the assistance of IR spectra of
the compounds ? Justify your answer. 7
B) Discuss the principle and applications of FT-13CNMR spectroscopy. 7
SLR-VD – 10 -4-
SECTION – III
5. A) Describe the shielding and deshielding mechanisms in NMR. 5
B) How would you distinguish between the reactant and product using DEPT
NMR ? Explain taking proper example. 5
C) Two isometric compounds I and II having molecular formula C3H6O display
IR absorption at (I) ~ 1710 cm–1 (II) 3300 and 1640 cm–1. Predict the structure
of I and II based on the above data. 4
6. A) Explain the mechanism of spin-spin splitting and the rules for first order splitting
in 1HNMR. 5
B) An organic compound (C9H10O2) has a strong band in the IR spectrum at
1690 cm–1. Its PMR spectrum shows the following signals. Identify the
compound and interpret the spectral data δ2.5 (Sδ 3H); 3.9 (S, 3H); 7.0 (d,
2H, J = 12 Hz); 8.1 (d, 2H, J = 12 Hz.) 5
C) Taking appropriate example explain the utility of HRMS in determining the
exact molecular formulae. 4
7. Write a note on (any three) : 14
A) Nuclear Overhauser effect
B) Study of H-bonding by IR spectroscopy
C) Cosy spectroscopy
D) McLafferty rearrangement.
_____________________

APPLIED GEOLOGY (Paper – IX),M.Sc. (Part – II) (Semester – III),Solapur University Question Paper,2014 Question Paper

Solapur University Question Paper
M.Sc. (Part – II) (Semester – III) Examination, 2014
APPLIED GEOLOGY (Paper – IX)
Structural Geology and Geotectonics
Day and Date : Monday, 21-4-2014 Max. Marks : 70
Time : 3.00 p.m. to 6.00 p.m.
Instructions : 1) Question number I is compulsory.
2) Answer any two questions from Section – A.
3) Answer any two questions from Section – B.
4) All questions carry equal marks.
5) Draw neat, labelled diagrams or sketches wherever
necessary.
I. Select the correct option from the choices given below :
1) ________________ are formed due to orogenesis.
a) Block mountains b) Fold mountains
c) Rift valleys d) Cratons
2) The strike of ________________ is oblique to strike and dip of bedding plane
of the rocks involved.
a) Bedding joints b) Strike joints
c) Dip joints d) Diagonal joints
3) At greater depth in lithosphere, the rocks are subjected to equal force from
all sides known as ________________ pressure.
a) Hydrostatic b) Lithostatic
c) Atmospheric d) Directed
4) The ________________ states that stress is proportional to strain.
a) Hooke’s Law b) Newton’s Law
c) Young’s Modulus d) Bulk Modulus
SLR-VE – 9 -2-
5) The value of Poisson’s ratio falls between ________________
a) – 1 and – 2 b) – 2
1
 and 1 c) – 1 and + 2
1
d) –1 and + 2
6) ________________ substances undergo extensive plastic deformation before
rupture.
a) Ductile b) Brittle c) Amorphous d) Solid
7) ________________ are rocks consisting of parallely assigned finely crushed
particles of rocks and minerals.
a) Fault breccia b) Mylonites
c) Gneisses d) Hornfels
8) Shear fractures make an angle of ________________ degrees with the
greatest principle stress axis (σ1)
a) 0 b) 90
c) Less than 45 d) None of the above options
9) ________________ in orogenic belts marks the closure of continents after
their collision.
a) Basalts b) Ophiolites
c) Granites d) Flaser rocks
10) Basaltic rocks of identical age are found on either sides of ______________
a) convergent plate boundaries b) mid-oceanic ridges
c) subduction zones d) deep oceanic trenches
11) The ________________ boundary between continental plates has given rise
to the Himalayan mountains.
a) divergent b) convergent
c) transform fault d) none of given options
12) ________________ studies on ocean floor provided reliable evidence to the
concept of continental drift.
a) Palaeomagnetic b) Radiometric
c) Structural geological d) Topographical
-3- SLR-VE – 9
13) Hot spots are formed as a result of ________________
a) Movements in the earths core b) Descending convection currents
c) Ascending convection currents d) Isostatic adjustments in the crust
14) The phanerozoic continental growth occurs in ________________
a) rift setting
b) intraplate setting
c) arc setting along active plate margins
d) continental collision setting
SECTION – A
Answer any two questions from this Section :
II. What are joints ? Give genetic classification of joints and their significance in
deformation structures.
III. What is foliation ? Discuss the morphology of different types of foliation.
IV. What is plate tectonics ? Discuss the concept in detail.
SECTION – B
Answer any two questions from this Section :
V. Write notes on :
a) Tripple junction
b) Benioff zone.
VI. Describe the following :
a) Continental and oceanic crust.
b) Concept of deformation.
VII. Explain the following :
a) Seafloor spreading
b) Mohr circle.
_____________________

2014 Question Paper,M.Sc. (Part – II) (Semester – III),Solapur University Question Paper,APPLIED GEOLOGY (Paper – X)

Solapur University Question Paper
M.Sc. (Part – II) (Semester – III) Examination, 2014
APPLIED GEOLOGY (Paper – X)
Mineral Exploration
Day and Date : Wednesday, 23-4-2014 Max. Marks : 70
Time : 3.00 p.m. to 6.00 p.m.
N.B. : 1) Attempt not more than five questions.
2) Question No. 1 is compulsory.
3) Attempt atleast two questions from each Section.
4) All questions carry equal marks.
5) Neat diagrams should be drawn whenever necessary.
I. Choose the correct answer : 14
1) The gravitational acceleration at the earth’s surface is about
a) 972 gals b) 980 gals c) 5159 gals d) None
2) Find the odd one out
a) Free air correction b) Bouguer correction
c) Topographic correction d) Diurnal correction
3) The daily cycle of magnetic change of earth field is referred to as
a) Bouguer changes b) Secular change
c) Diurnal change d) None
4) The local magnetic meridian consist of total field and
a) Horizontal field b) X-direction field
c) Y-direction field d) None
5) When a force F is applied uniformly to a small surface of area A we define the
force per unit area F/A as the
a) Strain b) Stress
c) Poisson ratio d) None
P.T.O.
SLR-VE – 10 -2-
6) The occurrence of an in the greenstone belts has apart from lithological criteria
a) Stratigraphic criteria b) Structural criteria
c) Geomorphological Criteria d) None
7) Which of the following methods are used for identification of carnotite
deposit ?
a) Radioactive b) Seismic c) Magnetic d) All the above
8) Electrical prospecting makes use of the properties such as
a) Electrochemical activity b) Resistivity
c) Dielectric constant d) All the above
9) The chemical action between minerals and solutions with which they are in
contact is made use in
a) Seismo-chemical survey b) Self-potential method
c) Magneto telluric method d) Radio active method
10) In a three layer curve the resistivities are as p1> p2 < p3
 than the curve so
developed shall be of
a) A-type b) K-type c) H-type d) None
11) The productive plutons for diamond deposits are
a) Granite b) Kimberlite c) Greenstone d) None
12) The map showing changes of magnetic intensity per annum is termed as
a) Isoporic map b) Geodic map
c) Isomagnetic map d) None
13) The galmi flora are geobotanical indicators for
a) Radia active minerals b) Gallium deposits
c) Sulphide deposits d) None
14) During an exploration work the expected financial return E = PV and if P = 0
the E will be
a) 1 b) 2 c) 1.73 d) 0

SECTION – A
II. State the advantages and disadvantages of Wenner and Schlumberger
configuration of electrical prospecting. Add a brief note on various curve matching
techniques.
III. Give in detail various productive plutons for mineral deposits from South India.
IV. Write various geological criteria for prospecting mineral deposits. Cite suitable
Indian examples.
SECTION – B
V. Write a brief on the following :
a) Corrections in magnetic surveys
b) Geobotanical surveys.
VI. Write short notes on the following :
a) Association of elements and pathfinder elements
b) Corrections in gravity surveys.
VII. Write the salient aspect on the following :
a) Geochemical characters of Sn-bearing granite
b) Choice and sequence of prospecting.

Paper – IX : Pesticide Residues and Toxicology,Solapur University Question Paper,M.Sc. (Part – II) (Semester – III),2014 Question Paper

Solapur University Question Paper
M.Sc. (Part – II) (Semester – III) Examination, 2014
AGROCHEMICALS AND PEST MANAGEMENT
Paper – IX : Pesticide Residues and Toxicology
Day and Date : Monday, 21-4-2014 Max. Marks : 100
Time : 3.00 p.m. to 6.00 p.m.
Instructions : i) All Sections are compulsory.
ii) For Q. No. 1 write small alphabet of correct answer.
iii) From Section – II attempt any three questions.
iv) From Section – III attempt any four short notes.
SECTION – I
1. Write correct alternative for the following questions : 20
I) ___________ is the movement of pesticides in water through the soil.
a) Leaching b) Run off
c) Adsorption d) Spray drift
II) ___________ kill the nematodes.
a) Nematicides b) Fungicides
c) Insecticides d) Rodenticides
III) The conversion of pesticides in to non toxic compounds by micro
organisms is called ___________
a) Biodegradation b) Photodegradation
c) Chemical transformation d) Adsorption
IV) Spray drift is affected by ___________
a) Size of spray droplets
b) Wind speed
c) Distance between nozzle and target plant
d) All of these
SLR-VP – 9 -2-
V) Ingestion of ___________ contaminated grains by birds produces thin
and fragile eggs.
a) DDT b) Endrin
c) Hepatochlor d) PCBs
VI) Biocatalytical conversion of toxic substance into hydrophilic forms to
facilitate their excretion molecule is called ___________ from the body is
termed as
a) Bioconcentration b) Biotransformation
c) Detoxification d) Degradation
VII) ___________ deals with the poison, its type, symptoms and possible
treatments.
a) Mechanistic toxicology b) Regulatory toxicology
c) Clinical toxicology d) Forensic toxicology
VIII) The dust particles in the air adsorb the pesticides and then contaminate
the water bodies through
a) Ground water b) Runoff water
c) Rain water d) Capillary water
IX) Disease minamata is caused due to chronic poisoning of ___________
a) Cadmium b) Arsenic
c) Lead d) Mercury
X) Inhibition of acetylcholine esterase is caused by ___________
a) DDT b) Carbamates
c) Fungicides d) None of these
XI) ___________ poisoning occurs as a result of repeated small, non-lethal
doses over a long period of time.
a) Chronic b) Acute
c) Moderate d) Lethal
XII) ___________ is the full form of WHO.
a) Worker’s Health Organisation
b) World Human Organization
c) World Head Master’s Organization
d) World Health Organization
-3- SLR-VP – 9
XIII) ___________ is more toxic.
a) Ethyl alcohol (100 ml) b) Sodium chloride (4 gm)
c) Phenobarbitol (0.15 g) d) Nicotine (0.0001g)
XIV) __________ is used for the metabolism of polycyclic aromatic hydrocarbon.
a) Cyt.p448 b) Cytp460
c) Cyt a d) Cyt b
XV) Bhopal gas tragedy occurred due to leakage of ___________ gas.
a) Methyl isocynate b) Propyl isocynate
c) Methyl isocyanide d) Chlorine
XVI) Pesticide residues in the fruits are analysed by ___________ technique.
a) HPLC b) Spectro photometry
c) Titrimetry d) Atomic absorption
XVII) Oxidation reduction and hydrolysis are the examples of ___________
a) Synthetic reactions b) Non synthetic reactions
c) Microsomal oxidation d) Enzymatic oxidation
XVIII) The term receptor was first introduced by ___________
a) Paul Ehrlich b) Welsh
c) Taub d) Jacob
XX) ___________ are essential for the normal functioning of enzymes.
a) Nucleic acids b) Carriers
c) Coenzymes d) Receptors
SECTION – II
Instructions : i) Attempt any three questions from the following.
ii) All questions are compulsory.
iii) Figures to the right indicate full marks.
2. What are pesticides ? Explain the fate of pesticides in the environment. 20
3. What is water pollution ? Explain the nature and origin of water pollution. 20
SLR-VP – 9 -4-
4. Write an essay on toxicology and its scope. 20
5. Write in detail about various analytical methods used for detection of
pesticide residues. 20
6. Explain in detail about mechanism of action of any two pesticides you have
studied. 20
SECTION – III
7. Write short notes on any four of the following : 20
a) Chemical toxicity
b) Biomagnification
c) Microsomal oxidases
d) Cytochrome P450
e) Hazards of soil pollution by pesticides
f) Functional tests based on carbohydrate metabolism.
_

M.Sc. (Part – II) (Semester – III),2014 Question Paper,Solapur University Question Paper,AGROCHEMICALS AND PEST MANAGEMENT Analysis of Agrochemicals (Paper – XI)

Solapur University Question Paper
M.Sc. (Part – II) (Semester – III) Examination, 2014
AGROCHEMICALS AND PEST MANAGEMENT
Analysis of Agrochemicals (Paper – XI)
Day and Date : Friday, 25-4-2014 Total Marks : 100
Time : 3.00 p.m. to 6.00 p.m.
Instructions : i) All Sections are compulsory.
ii) Question 1 should be answered by choosing the correct
answer.
iii) Attempt in all five questions.
iv) From Questions No. 2 to 6 attempt any three questions.
v) All questions carry equal marks.
SECTION – I
1. Compulsory (one mark each) : 20
1) What is the mobile phase in HPLC ?
a) Solid b) Liquid
c) Gas d) Super critical fluid
2) Arrange the following solvent in order of increasing viscosity at 30°C
(A) Benzene (B) Carbon tetrachloride
(C) Chloroform (D) Diethyl ether
a) D < A < C < B b) B < A < C < D
c) A < B < C < D d) None
3) The capillary constant in the Ilkovic equation is given by
a) m2/3t
1/6 b) D1/2m2/3 c) D1/2t
1/6 d) m1/3t
1/3
4) The current due to the supporting electrolyte is called
a) Residual current b) Diffusion current
c) Migration current d) None
5) Fluorescence is closely related to ___________ or __________ analysis.
a) Colorimetric and Spectrophotometric
b) Colorimetric and polarographic
c) Polarographic and amperometric
d) Amperometric and coulometric
SLR-VP – 11 -2-
6) Fluorescence and phosphorescence spectra generally consist of many lines,
mostly in the _____________ region.
a) UV b) Visible c) IR d) None
7) In the case of saturated ketones, the most intense band due to ∗ π → π
transition is around ___________
a) 175 nm b) 150 nm c) 190 nm d) 110 nm
8) The aromatic compounds containing one benzene ring absorb in the vicinity
2500 Å, while naphthalene containing two rings and anthracene having three
rings absorb at about __________ Å and __________ Å respectively.
a) 2700 and 3000 b) 2800 and 3200
c) 2900 and 3400 d) 3000 and 3600
9) How many fundamental modes of vibrations observed for linear molecule in
IR ?
a) 3n – 5 b) 3n – 6 c) 3n d) None of these
10) Which of the following region of infrared is extremely useful for spectroscopic
studies of organic compounds ?
a) Near Infrared b) Middle Infrared
c) Far Infrared d) None
11) How many types of hydrogen’s are present in the following compound ?
a) 3 b) 4 c) 2 d) 6
12) Which of the following doesn’t give NMR spectra ?
a) Boron-11 b) Nitrogen-15 c) Oxygen-16 d) All
13) Which of the following cation shows peak at 91 m/z in MS ?
a) Tropylium cation b) Hydroxy tropylium cation
c) Benzylium cation d) All
14) The basic unit of radioactivity is
a) Dynes b) Becquerel c) Siemens d) Debye
15) The mass spectrum of the compound M+2 peak has intensity 50% which
indicates that the compound contain ____________
a) Cl b) Oxygen
c) Br d) None of the above
-3- SLR-VP – 11
16) Which of the following is a nonmagnetic nucleus ?
a) 1H1 b) 6C12 c) 6C13 d) 15P31
17) Electron donating groups often ____________ fluorescence.
a) Quenching b) Enhance c) Decrease d) Remains same
18) Fermi resonance is a common phenomenon in
a) Raman spectra b) Infrared spectra
c) CO2 d) All
19) Which of the following vitamins are polarographically active ?
a) Thiamine b) Ascorbic acid
c) Riboflavin d) All
20) A diene has λmax at 244 nm. The diene may be
a) 1, 3-butadiene b) 1, 3, 5-hexatriene
c) 1, 4-pentadiene d) None
SECTION – II
2. Draw a schematic diagram for experimental set up of the polarography and discuss
the principle and working of various components. Give its applications for analysis
of some important insecticides. 20
3. a) Discuss in detail the principle and working of HPLC. Give the applications of
HPLC in pesticide residue analysis. 10
b) Explain the methods used for the analysis of H2S and NO2. 10
4. a) How will you distinguish the following pairs by mass spectral methods ? 10
I)
II)
SLR-VP – 11 -4-
III)
IV)
b) Sketch the PMR spectrum of the following compounds. 10
I) Ethyl methyl ketone
II) Ethyl acetate
III) Methyl benzoate
IV) Ethyl benzoate.
5. a) Describe the applications of GC-MS in the analysis of agrochemicals. 10
b) Explain applications of fluorescence measurement in pesticide residue
analysis. 10
6. a) Sketch the optical diagram of UV-Visible spectrophotometer. How the UV
spectrum obtained ? What is λmax ? 10
b) Explain the theory of IR spectroscopy and factors affecting IR group
frequencies. 10
SECTION – III
7. Write a note on any four of the following : 20
1) Coupling constant (J)
2) SO2 monitoring
3) Isotopic dilution method
4) Applications in qualitative and quantitative analysis
5) Structural factors in fluorescence.
_____________________