Analytical Tools in Biotechnology MCQs

Question 1

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

Accepted Answer

Q and S only

Answer

P and S only

Answer

P and R only

Answer

Q and R only

Question 2

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

Accepted Answer

Q and R only

Answer

P only

Answer

P and S only

Answer

S only

Question 3

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

Accepted Answer

To reduce the sample into atomic state

Answer

To split the beam into two

Answer

To break the steady light into pulsating light

Answer

To filter unwanted components

Question 4

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

Accepted Answer

Positive ions collide with cathode surface and metal atoms from cathode are ejected

Answer

Negative ions collide with cathode surface and metal atoms from anode are ejected

Answer

Positive ions collide with negative ions and metal atoms from anode are ejected

Answer

Positive ions collide with negative ions and photons are ejected

Question 5

Which of the following is not a type of Spectroscopy?

Accepted Answer

Sound

Answer

Gamma ray

Answer

X ray

Answer

Nuclear magnetic resonance

Question 6

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

Accepted Answer

Air

Answer

NaCl solution

Answer

Alcohol

Answer

Base solution

Question 7

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

Accepted Answer

Voltage

Answer

Wavelength

Answer

Wave number

Answer

Amplitude