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WorksheetsBiophysics Test 1
Total questions: 20
Worksheet time: 19mins
A substance that is more basic has a _____ pH than a substance that is acidic.
Water has a neutral because
it has more H+ ions than OH-
it has more OH- ions than H+
it does not produce any ions
it has an equal amount of H+ and OH- in solution
In case of chromatography the solvent rises up due to ……………………..
Solute
Filter paper
Capillary action
None of the above
Which of the following substances can be separated using chromatography?
Amino acids
Ink
Sugars from starch
All the above
The amount of light absorbed by a sample is called its:
Absorbance
Transmittance
Hue
Saturation
Which of the following statements is correct??
Spectrophotometry allows for a correlation to be made between samples
Spectrophotometry allows for a correlation to be made between patient absorbance
Spectrophotometry allows for a correlation to be made between absorbance and concentration
Spectrophotometry allows for a correlation to be made between the concentration of each sample
This technique would be employed when a rapid diagnosis is necessary:
Serial sections
Levels
Routine paraffin section
Frozen section
When you focus on a new specimen, always begin with
low power and coarse adjustment
low power and fine adjustment
high power and coarse adjustment
high power and fine adjustment
Total magnification is:
the strength of the eyepiece lens
the strength of the eyepiece multiplied by the objective lense
using a magnifying glass
what you see under the objective lens
Which among the following has the highest magnification power?
Magnifying lens
Compound Microscope
TEM
SEM
Explain the principle of phase contrast microscope? (3 Marks)
Explain different types of centrifugation. (3 Marks)
Discuss the working of fluorescence microscopy. (3 Marks)
Comment on different types of microtome. (5 Marks)
