IISC JAM 2019 Question Papers : Joint Admission Test
Organisation : Indian Institute of Science Bangalore
Exam Name : Joint Admission Test (JAM)
Document Type : Previous Year Question Papers
Subjects : Biotechnology/ Chemistry/ Geology/ Mathematics/ Mathematical Statistics/ Physics
Year : 2019
Website : https://jam.iisc.ac.in/p/previous-year-question-papers
IISC JAM Question Papers
Indian Institute of Science Bangalore, Joint Admission Test (JAM) Previous Year Question Papers 2019.
Related / Similar Question Paper : IISC JAM 2018 Question Papers
JAM 2019 Question Papers
Biotechnology
1. At what pH does poly-Glu in an aqueous solution form a-helical structure?
(A) 3
(B) 7
(C) 9
(D) 12
2. The technique that involves impacting samples with electrons is _______.
(A) NMR spectroscopy
(B) ESI mass spectrometry
(C) IR spectroscopy
(D) UV-vis spectroscopy
3. The evolution of eyes in octopus and in human is an example of ________.
(A) divergent evolution
(B) convergent evolution
(C) adaptive radiation
(D) genetic drift
4. Which one of the following modifications occurs both on DNA and protein?
(A) ADP-ribosylation
(B) Methylation
(C) Sumoylation
(D) Ubiquitination
5. The free energy required to synthesize a mixed anhydride bond of 1,3-bisphosphoglycerate is generated by the oxidation of ________.
(A) an aldehyde to acid
(B) an alcohol to acid
(C) an alcohol to aldehyde
(D) NADH to NAD+
6. Which one of the following statements is a correct description of modes of action of taxol and colchicine?
(A) Taxol causes DNA damage and colchicine prevents microtubule formation
(B) Taxol stabilizes microtubules and colchicine inhibits protein synthesis
(C) Taxol destabilizes microtubules and colchicine promotes microtubule formation
(D) Taxol stabilizes microtubules and colchicine prevents microtubule formation
Chemistry
1. The thermodynamic criterion for spontaneity of a process in a system under constant volume and temperature and in the absence of any work other than expansion work (if any) is
(A) change in entropy is positive
(B) change in enthalpy is negative
(C) change in Helmholtz free energy is negative
(D) change in Gibbs free energy is negative
2. The number of vibrational mode(s) of a carbon dioxide molecule that can be detected using infrared spectroscopy is
(A) 1
(B) 2
(C) 3
(D) 4
3. The correct option for the metal ion present in the active site of myoglobin, hemocyanin and vitamin B12, respectively, is
(A) iron, iron and zinc
(B) molybdenum, iron and copper
(C) iron, copper and cobalt
(D) molybdenum, copper and cobalt
4. The correct option for the number of bending modes of vibration in each of H2O, CS2 and SO2 molecules, respectively, is
(A) 1, 2 and 2
(B) 2, 2 and 1
(C) 2, 1, and 2
(D) 1, 2 and 1
5. The total number of degrees of freedom of an HBr molecule that is constrained to translate along a straight line but does not have any constraints for its rotation and vibration is
(A) 6
(B) 5
(C) 4
(D) 3
Geology
1.Which of the following is associated with a divergent plate boundary?
(A) Ridge
(B) Trench
(C) Island arc
(D) Accretionary prism
2. Shear waves do not travel through the
(A) upper continental crust
(B) upper mantle
(C) lower mantle
(D) outer core
3. Fossils of burrows and footprints are known as
(A) pseudofossils
(B) coprolites
(C) body fossils
(D) trace fossils
4. Horst and graben structures are typically formed by
(A) normal faulting
(B) strike-slip faulting
(C) reverse faulting
(D) thrust faulting
5. Dicroidium is known from the
(A) Pachmarhi Formation
(B) Raniganj Formation
(C) Panchet Formation
(D) Denwa Formation
Physics
1. In a heat engine based on the Carnot cycle, heat is added to the working substance at constant
(A) Entropy
(B) Pressure
(C) Temperature
(D) Volume
2. A thin lens of refractive index 3/2 is kept inside a liquid of refractive index 4/3. If the focal length of the lens in air is 10 cm, then its focal length inside the liquid is
(A) 10 cm
(B) 30 cm
(C) 40 cm
(D) 50 cm
3. During free expansion of an ideal gas under adiabatic condition, the internal energy of the gas
(A) Decreases
(B) Initially decreases and then increases
(C) Increases
(D) Remains constant
4. The maximum number of intensity minima that can be observed in the Fraunhofer diffraction pattern of a single slit (width 10 µm) illuminated by a laser beam (wavelength 0.630 µm) will be
(A) 4
(B) 7
(C) 12
(D) 15
5. T he gradient of a scalar field S(x,y,z) has the following characteristic(s).
(A) Line integral of a gradient is path-independent
(B) Closed line integral of a gradient is zero
(C) Gradient of S is a measure of the maximum rate of change in the field S
(D) Gradient of S is a scalar quantity
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Biotechnology : https://www.pdfquestion.in/uploads/pdf2020/37038-BT.pdf
Chemistry : https://www.pdfquestion.in/uploads/pdf2020/37038-CY.pdf
Geology : https://www.pdfquestion.in/uploads/pdf2020/37038-GG.pdf
Mathematics : https://www.pdfquestion.in/uploads/pdf2020/37038-MA.pdf
Mathematical Statistics : https://www.pdfquestion.in/uploads/pdf2020/37038-MS.pdf
Physics : https://www.pdfquestion.in/uploads/pdf2020/37038-PH.pdf