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Self Evaluation Quiz



1. Rf value is less than one because
a. Distance covered by the solute is more than solvent front
b. Distance covered by solvent front is more than distance covered by solute
c.Both of them
d. None of them


2. Rf value is closed to 1, then what happened

a. Good Separation occurs
b. No Separation occurs

c. Separation does not depend on Rf
d. None of them


3. Rf value is affected by

a. Polarity of solvent
b. Saturation period of chamber

c. pH of the solution
d. All of the above


4. Solvent chamber should be saturated for

a. Uniform rising of bands
b. Even distribution of solvent vapours

c. Both of them
d. None of them


5. Which loading gas is used In HPTLC?

a. H2
b. O2

c. He
d. N2


6. Capsaicin is a
a. Alkaloid
b. Terpenoid

c. Flavanoid
d. None of the above


7. Heteroatom present in alkaloids is

a. Sulphur
b. Nitrogen

c. Oxygen
d. Phosphorus


8. Capsaicin is not found in

a. Red chilli
b. Bell pepper

c. Green chilli
d. Kali mirch


9. Capsaicin is located in

a. Ovary
b. Seeds

c. Sepals
d. None of the above


10. Melting point of capsaicin is

a. 125oC
b. 135oC

c. 65oC
d. 95oC