Analytical Tools in Biotechnology MCQ Questions & Answers

61

Which of the following is not a source used in Mid Infrared Spectrophotometer?

A) Nernst glower B) High pressure mercury arc lamp C) Globar D) Nichrome wire

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Answer & Solution

Answer: Option B

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62

In photometers, the readings of the specimen are initially obtained in the form of which of the following parameters?

A) Transmittance B) Absorption C) Wavelengths D) Volume

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Answer & Solution

Answer: Option A

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63

Beer's law states that the intensity of light decreases with respect to . . . . . . . .

A) Concentration B) Distance C) Composition D) Volume

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Answer & Solution

Answer: Option A

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64

Protein-protein interactions are studied by
P. DNA foot printing
Q. Yeast two hybrid system
R. Ligase chain reaction
S. Mass spectrometry

A) P and S only B) Q and S only C) P and R only D) Q and R only

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Answer & Solution

Answer: Option B

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65

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

A) P only B) P and S only C) Q and R only D) S only

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Answer & Solution

Answer: Option C

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66

Which of the following is the function of the Flame or Emission system in Atomic Absorption Spectroscopy?

A) To split the beam into two B) To break the steady light into pulsating light C) To filter unwanted components D) To reduce the sample into atomic state

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Answer & Solution

Answer: Option D

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67

Which of the following options explains the process of 'sputtering' that occurs in Hollow Cathode Lamp?

A) Positive ions collide with cathode surface and metal atoms from cathode are ejected B) Negative ions collide with cathode surface and metal atoms from anode are ejected C) Positive ions collide with negative ions and metal atoms from anode are ejected D) Positive ions collide with negative ions and photons are ejected

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Answer & Solution

Answer: Option A

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68

Which of the following is not a type of Spectroscopy?

A) Gamma ray B) X ray C) Nuclear magnetic resonance D) Sound

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Answer & Solution

Answer: Option D

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69

Which of the following is the reference that is generally used in FTIR interferometer?

A) Air B) NaCl solution C) Alcohol D) Base solution

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Answer & Solution

Answer: Option A

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70

Which of the following is not a property or parameter of electromagnetic radiation?

A) Wavelength B) Voltage C) Wave number D) Amplitude

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Answer & Solution

Answer: Option B

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Analytical Tools in Biotechnology MCQ Questions & Answers | Biotechnology