Analytical Tools in Biotechnology MCQ Questions & Answers

1.
Which of the following could be used as the layer of dielectric in interference filters used in Absorption Spectroscopy?

A. Graphite

B. MgF₂

C. Fe

D. AgNO₃

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2.
In Atomic Absorption Spectroscopy, with what material is the cathode in Hollow cathode lamp constructed?

A. Tungsten

B. Quartz

C. Element to be investigated

D. Aluminium

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3.
Atomic absorption spectroscopy is also called as Absorption Flame Photometry.

A. True

B. False

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4.
Transmittance is given as $$T = \frac{P}{{{P_o}}}.$$ If Po is the power incident on the sample, what does P represent?

A. Radiant power transmitted by the sample

B. Radiant power absorbed by the sample

C. Sum of powers absorbed and scattered

D. Sum of powers transmitted and reflected

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5.
How is the wave number of electromagnetic radiation related to wavelength?

A. It is the reciprocal of wavelength

B. It is directly proportional to wavelength

C. It is not related to wavelength

D. It is equal to wavelength

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6.
In Flame emission photometers, the measurement of . . . . . . . . is used for qualitative analysis.

A. Colour

B. Intensity

C. Velocity

D. Frequency

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7.
What is the unit of absorbance which can be derived from Beer Lambert's law?

A. L mol^-1 cm^-1

B. L gm^-1 cm^-1

C. Cm

D. No unit

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8.
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

A. P-4, Q-1, R-2, S-3

B. P-1, Q-4, R-3, S-2

C. P-2, Q-3, R-4, S-1

D. P-3, Q-4, R-1, S-2

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9.
Bolometer, a type of detector, is also known as . . . . . . . .

A. Resistance temperature detector (RTD)

B. Thermistor

C. Thermocouple

D. Golay cell

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10.
To tolerate high operating temperatures, which of the following has to be done in incandescent or tungsten filament lamps?

A. Alloys must be used

B. Nitrogen be used instead of inert gas

C. Envelope is fabricated with quartz

D. Envelope is fabricated with copper

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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

Analytical Tools in Biotechnology MCQ Questions & Answers | Biotechnology

1. Which of the following could be used as the layer of dielectric in interference filters used in Absorption Spectroscopy?

Answer & Solution

2. In Atomic Absorption Spectroscopy, with what material is the cathode in Hollow cathode lamp constructed?

Answer & Solution

3. Atomic absorption spectroscopy is also called as Absorption Flame Photometry.

Answer & Solution

4. Transmittance is given as $$T = \frac{P}{{{P_o}}}.$$ If Po is the power incident on the sample, what does P represent?

Answer & Solution

5. How is the wave number of electromagnetic radiation related to wavelength?

Answer & Solution

6. In Flame emission photometers, the measurement of . . . . . . . . is used for qualitative analysis.

Answer & Solution

7. What is the unit of absorbance which can be derived from Beer Lambert's law?

Answer & Solution

8. 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

Answer & Solution

9. Bolometer, a type of detector, is also known as . . . . . . . .

Answer & Solution

10. To tolerate high operating temperatures, which of the following has to be done in incandescent or tungsten filament lamps?

Answer & Solution

1.
Which of the following could be used as the layer of dielectric in interference filters used in Absorption Spectroscopy?

2.
In Atomic Absorption Spectroscopy, with what material is the cathode in Hollow cathode lamp constructed?

3.
Atomic absorption spectroscopy is also called as Absorption Flame Photometry.

4.
Transmittance is given as $$T = \frac{P}{{{P_o}}}.$$ If Po is the power incident on the sample, what does P represent?

5.
How is the wave number of electromagnetic radiation related to wavelength?

6.
In Flame emission photometers, the measurement of . . . . . . . . is used for qualitative analysis.

7.
What is the unit of absorbance which can be derived from Beer Lambert's law?

8.
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

9.
Bolometer, a type of detector, is also known as . . . . . . . .

10.
To tolerate high operating temperatures, which of the following has to be done in incandescent or tungsten filament lamps?