Analytical Tools In Biotechnology — Part 2 MCQs with Explanations

NMR spectroscopy is the correct answer to “Which one of the following techniques can be used to determine the structure of a 15 kDa globular protein at atomic resolution”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Ratio of sample and reference spectra is the correct answer to “Which of the following has to be computed to determine transmittance and absorbance at various frequencies”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

To break the steady light into a pulsating light is the correct answer to “Which of the following is the function of the chopper in Atomic Absorption Spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Camphor oil is the correct answer to “Which of the following is not a fuel used in flame photometry”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Both (A) and (R) are true and (R) is the correct reason for (A) is the correct answer to “Determine the correctness or otherwise of the following Assertion (A) and the Reason (R) . Assertion: MTT assay is used to determine cell viability based on the principle of color formation by DNA fragmentation. Reason: MTT assay is used to determine cell viability based on the color development by converting tetrazolium soluble sail to insoluble salt.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Radiation must have higher bandwidth is the correct answer to “Which of the following is not a limitation of Beer Lambert's law, which gives the relation between absorption, thickness and concentration”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

True is the correct answer to “Phototubes are more sensitive than photovoltaic cells.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

True is the correct answer to “Velocity of electromagnetic radiation is more in a vacuum than in any medium.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

0.75 - 3.75 mm is the correct answer to “Which of the following is the wavelength of microwave radiation”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Chromatogram is the correct answer to “Which of the following is not a detector used in Flame emission photometers”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Chopper is the correct answer to “Which of the following is not a component of the emission system in Flame photometer”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Dispersion is non-overlapping is the correct answer to “Which of the following is the advantage of prism monochromators”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

True is the correct answer to “Electromagnetic radiation can travel through a vacuum.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Sample containing two or more solvents can be burned efficiently is the correct answer to “Which of the following is not an advantage of Laminar flow burner used in Flame photometry”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Absorptivity is the correct answer to “The representation of Beer Lambert's law is given as A = abc. If 'b' represents distance, 'c' represents concentration and 'A' represents absorption, what does 'a' represent”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Bonding electrons is the correct answer to “Which type of Quantum Transition takes place in Ultra Violet and Visible spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

To break large mass of liquid into small drops is the correct answer to “Which of the following is the function of the atomiser in the emission system of Atomic Absorption Spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Tungsten lamp is the correct answer to “Which of the following is a source used in spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Absorption is the negative logarithm of transmittance is the correct answer to “In which of the following ways, absorption is related to transmittance”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Less intensity is the correct answer to “Which of the following is not a reason for laser not being generally used as a source of radiation for UV, Visible Spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

High pressure mercury arc lamp is the correct answer to “Which of the following is not a source used in Mid Infrared Spectrophotometer”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Transmittance is the correct answer to “In photometers, the readings of the specimen are initially obtained in the form of which of the following parameters”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Concentration is the correct answer to “Beer's law states that the intensity of light decreases with respect to . . . . . . . .”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Q and S only is the correct answer to “Protein-protein interactions are studied by P. DNA foot printing Q. Yeast two hybrid system R. Ligase chain reaction S. Mass spectrometry”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Q and R only is the correct answer to “Which of the following technique(s) can be used to study conformational changes in myoglobin? P. Mass spectrometry Q. Fluorescence spectroscopy R. Circular dichroism spectroscopy S. Light microscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

To reduce the sample into atomic state is the correct answer to “Which of the following is the function of the Flame or Emission system in Atomic Absorption Spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Positive ions collide with cathode surface and metal atoms from cathode are ejected is the correct answer to “Which of the following options explains the process of 'sputtering' that occurs in Hollow Cathode Lamp”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Sound is the correct answer to “Which of the following is not a type of Spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Air is the correct answer to “Which of the following is the reference that is generally used in FTIR interferometer”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Voltage is the correct answer to “Which of the following is not a property or parameter of electromagnetic radiation”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

1 to 5 torr is the correct answer to “At what pressure should the gases in the sealed tube be maintained in the Hollow cathode lamp”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Distance is the correct answer to “Lambert's law states that the intensity of light decreases with respect to . . . . . . . .”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

P-2, Q-4, R-3, S-1 is the correct answer to “Match Group I with Group II . Group I Group II P. Real Time-PCR 1. Biochips Q. 2-D Electrophoresis 2. Syber Green R. Affinity chromatography 3. Antibody linked sephrose beads S. Microarray 4. Ampholytes”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

1 x 106 to 1.3 x 104 m-1 is the correct answer to “Which of the following is the wavenumber of UV and Visible radiation”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

P will migrate faster than Q towards the anode is the correct answer to “The hexapeptide P has an isoelectric point (pI) of 6.9. Hexapeptide Q is a variant of P that contains valine instead of glutamate at position 3. The two peptides are analyzed by polyacrylamide gel electrophoresis at pH 8.0. Which one of the following statements is CORRECT”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Beam splitter is used to get parallel beam is the correct answer to “Which of the following statements is false about single beam absorption instruments”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Mull technique is the correct answer to “In a solid sample treatment technique, the finely ground solid sample is mixed with mineral oil to make a thick paste which is then spread between IR transmitting windows. What is the name of this solid sample treatment technique”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Indicates the difference between the output of two photometers is the correct answer to “Which of the following is the purpose of balance indicator in double beam photometer or colorimeter”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Energy absorption and concentration is the correct answer to “Beer Lambert's law gives the relation between which of the following”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Intensity is the correct answer to “In Flame emission photometers, the measurement of . . . . . . . . is used for quantitative analysis.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.