Amino-Acid Analysers Online Exam Quiz
Amino-Acid Analysers GK Quiz. Question and Answers related to Amino-Acid Analysers. MCQ (Multiple Choice Questions with answers about Amino-Acid Analysers
Amino-acids are distinguishable from each other only by one or two atoms in their structure.
Options
A : TRUE
B : FALSE
C : -
D : -
How can samples above 1M in ammonia concentration be measured using ammonia electrode?
Options
A : It must be diluted and measured
B : It cannot be measured
C : The electrode has to be modified for measuring
D : It can be measured directly
In Ammonia electrode, diffusion of dissolved ammonia occurs through the membrane until which of the following conditions occur?
Options
A : Concentration becomes equal on both sides
B : Activity becomes equal on both sides
C : Partial pressure becomes equal on both sides
D : Differential pressure is low
Resin column chromatography does not involve breaking of bonds in amino-acids.
Options
A : TRUE
B : FALSE
C : -
D : -
The dilution of solution must not reduce the level of ammonia below ___
Options
A : 10-2 M
B : 10-5 M
C : 10-8 M
D : 10-9 M
Trapped air in pumps of Automatic amino-acid analyzer is eliminated using which of the following ways?
Options
A : Suction pump
B : De-aerator
C : Overcome naturally by pump pressure
D : Using pulse damper
What is the drawback that occurs in using gas chromatography for amino-acid analysis?
Options
A : Costly
B : Cannot be used for proteins or polypeptides
C : Slow process
D : Complex in operation
When electrode potential response is plotted as a function of ammonia concentration on a semi-log graph, the graph obtained will be __
Options
A : A straight line
B : Parabolic
C : Sigmoidal
D : A curve
Which of the following cannot be analysed using resin column chromatography?
Options
A : Peptides
B : Amines
C : Amino compounds
D : Components which are ninhydrin negative
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