Spectroscopy and Chromatography MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Spectroscopy and Chromatography, a fundamental topic in the field of Biochemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Spectroscopy and Chromatography MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Spectroscopy and Chromatography mcq questions that explore various aspects of Spectroscopy and Chromatography problems. Each MCQ is crafted to challenge your understanding of Spectroscopy and Chromatography principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Spectroscopy and Chromatography MCQs are your pathway to success in mastering this essential Biochemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Spectroscopy and Chromatography. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Spectroscopy and Chromatography knowledge to the test? Let's get started with our carefully curated MCQs!

Spectroscopy and Chromatography MCQs | Page 6 of 10

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Q51.
All hydrogen atoms

a.

have the same resonance frequency

b.

resonate at different frequencies depending on their environment.

c.

are attached to carbon

d.

resonate at about the same frequency as carbon

Discuss
Answer: (b).resonate at different frequencies depending on their environment.
Q52.
Why is it important to use a deuterated solvent?

a.

NMR uses least of this solvent

b.

So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition

c.

Expensive solvents work best with NMR

d.

They dissolve polymer the fastest

Discuss
Answer: (b).So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition
Q53.
What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample?

a.

Spin - lattice relaxation

b.

Spin - spin relaxation

c.

Spin - spin - spin relaxation

d.

None of these

Discuss
Answer: (a).Spin - lattice relaxation
Q54.
Cytochrome C has an isoelectric pH of

a.

8.5

b.

10.05

c.

7.5

d.

11.05

Discuss
Answer: (b).10.05
Q55.
What does the Michelson interferometer do?

a.

Split a polychromatic beam of radiation into its component wavelengths

b.

Selectively filter certain wavelengths from a beam of I.R. radiation

c.

Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector

d.

none of the above

Discuss
Answer: (c).Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector
Q56.
In scanning electron microscopy

a.

a specimen is fixed and then coated with thin layer of a heavy metal

b.

a specimen is fixed and then coated with transition metal

c.

a specimen is not fixed and then coated with thin layer of a heavy metal

d.

none of the above

Discuss
Answer: (a).a specimen is fixed and then coated with thin layer of a heavy metal
Q57.
The frequency of precession, the transition frequency and the Larmor frequency are

a.

different terms for the same frequency

b.

same terms for the same frequency

c.

different terms for the different frequency

d.

same terms for the different frequency

Discuss
Answer: (a).different terms for the same frequency
Q58.
How do you turn a signal recorded in the time domain into a frequency domain signal?

a.

Fourier transformation

b.

Measurement of peak areas

c.

By use of a Michelson interferometer

d.

None of the above

Discuss
Answer: (a).Fourier transformation
Q59.
How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field?

a.

2

b.

4

c.

3

d.

6

Discuss
Answer: (a).2
Q60.
In immunofluroscence microscopy, fluroscent compounds are attached to

a.

an antibody specific for the subcellular structure

b.

an antigen specific for the subcellular structure

c.

bound antibody specific for the subcellular structure

d.

none of these

Discuss
Answer: (a).an antibody specific for the subcellular structure
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