Analytical Tools In Biotechnology — Part 1 MCQs with Explanations

MgF2 is the correct answer to “Which of the following could be used as the layer of dielectric in interference filters used in Absorption Spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Element to be investigated is the correct answer to “In Atomic Absorption Spectroscopy, with what material is the cathode in Hollow cathode lamp constructed”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

True is the correct answer to “Atomic absorption spectroscopy is also called as Absorption Flame Photometry.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Radiant power transmitted by the sample is the correct answer to “Transmittance is given as $$T = \frac{P}{{{P_o}}}.$$ If Po is the power incident on the sample, what does P represent”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

It is the reciprocal of wavelength is the correct answer to “How is the wave number of electromagnetic radiation related to wavelength”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

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

No unit is the correct answer to “What is the unit of absorbance which can be derived from Beer Lambert's law”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

P-3, Q-4, R-1, S-2 is the correct answer to “Match the items in Group I with Group II . Group I Group II P. Circular dichroism 1. Concentration Q. X-ray crystallography 2. Sedimentation coefficient R. Freeze-drying 3. Secondary structure determination S. Ultracentrifugation 4. Tertiary structure determination”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Thermistor is the correct answer to “Bolometer, a type of detector, is also known as . . . . . . . .”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Envelope is fabricated with quartz is the correct answer to “To tolerate high operating temperatures, which of the following has to be done in incandescent or tungsten filament lamps”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

A circular dichroism spectrometer is the correct answer to “The helix content of a protein can be determined using”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Addition of non-conductive protective shield of mica is the correct answer to “How can the intensity of radiation be increased in Hollow cathode lamp”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Nuclear magnetic resonance spectroscopy is the correct answer to “Tertiary structure of a protein consisting of α-helices and β-strands can be determined by”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Dispersion occurs in a linear manner is the correct answer to “Which of the following is the advantage of grating monochromators”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Hollow cathode lamp is the correct answer to “In Atomic Absorption Spectroscopy, which of the following is the generally used radiation source”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Thin films is the correct answer to “Which of the following is not a technique for preparing solid samples in IR spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Near IR: 0.8 - 2.5 mm is the correct answer to “Which of the following options are correct in terms of wavelength for the different types of IR spectrometer”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states is the correct answer to “Which of the following is the principle of Atomic Absorption Spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Mylar is the correct answer to “In the most widely used beam splitter, a thin film of . . . . . . . . is sandwiched between two plates of low refractive index solid. Fill the blank with a suitable option.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Premix burner is the correct answer to “Laminar flow burner used in Flame photometers is also known as . . . . . . . .”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Easy to maintain is the correct answer to “Which of the following is not the advantage of Fourier Transform Spectrometers”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Tetraglycine sulphate is the correct answer to “Which of the following is not used as pyroelectric material used in pyroelectric transducers in Infrared spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Amplitude is the correct answer to “In Michelson's interferometer, the . . . . . . . . of the detector output will depend upon the intensity of incoming radiation.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Reference beam must have a higher intensity than sample beam is the correct answer to “Which of the following statement is false about double beam absorption instruments”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Energy does not depend on wavelength is the correct answer to “Which of the following is false about the wavelengths of electromagnetic radiation”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

True is the correct answer to “In Michelson Interferometer, if the reflected and transmitted beams are in phase at the beam splitter, then maximum intensity will reach the detector.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Splits beam into two equal intensity beams is the correct answer to “Which of the following is the purpose of the beam splitter in double beam photometer or colorimeter”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Slower response is the correct answer to “Only pyroelectric transducer or pyroelectric crystals are used as detectors in Fourier Transform Infrared Spectrophotometer (FTIR). What is the main reason for other types of thermal detectors are not being used in FTIR spectrophotometer”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

L mol-1 cm-1 is the correct answer to “What is the unit of molar absorptivity or absorptivity which is used to determine absorbance A in Beer Lambert's formula”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Velocity, Wavelength is the correct answer to “In Michelson's interferometer, the frequency of the detector output can be determined by translating the . . . . . . . . of movable mirror and the . . . . . . . . of monochromatic radiation.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

True is the correct answer to “The function of pressure regulators in the emission system of flame photometer is to have a steady flame which is free from flickers.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

False is the correct answer to “Colorimeters are used in applications where great accuracy is required.”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Analysis of complex mixtures is the correct answer to “Which of the following is not an application of Flame emission photometers”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Quantifying antibody levels in blood is the correct answer to “Enzyme-linked immunosorbent assay (ELISA) is used for”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Iodine is added to normal filling gas is the correct answer to “How is Tungsten Halogen lamp differs from normal Tungsten filament lamp used in absorption spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Photovoltaic cell is the correct answer to “Which of the following detectors does not require a battery and is also known as barrier layer cell”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Reflection is kept maximum is the correct answer to “Which of the following is not true about Absorption spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Uranium acetate is the correct answer to “In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen with”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

Expansion of gas upon heating is the correct answer to “Which of the following is the principle of Golay cell which is used as a detector in IR spectroscopy”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.

P-1, Q-2, R-4 is the correct answer to “Group I lists spectroscopic methods and Group II lists bimolecular applications of these methods. Match the methods in Group I with the applications in Group II . Group I Group II P. Infrared 1. Identification of functional groups Q. Circular Dichroism 2. Determination of secondary structure R. Nuclear Magnetic Resonance 3. Estimation of molecular weight 4. Determination of 3-D structure”. This question is standard in competitive examination syllabi for Analytical Tools In Biotechnology.