B:-Polar mobile and non-polar stationary phase
C:-Non-polar mobile and polar stationary phase
D:-Separation is based on size instead of charge
Correct Answer:- Option-B

Question17:-What do you mean by bright field microscope?
A:-The microscope uses natural light
B:-The microscope is lit from above and viewed from below
C:-The microscope is lit from below and viewed from above
D:-None of the above
Correct Answer:- Option-C

Question18:-The magnifying power of an eye piece in microscope is
A:-10X
B:-20X
C:-40X
D:-60X
Correct Answer:- Option-A

Question19:-Which among the following types of microscope does not require
staining to view the slide?

A:-Electron microscope
B:-Phase contrast microscope
C:-Light microscope

D:-Dark field microscope
Correct Answer:- Option-B

Question20:-Which among the following represents the correct stages of tissue
processing?

A:-Fixation-dehydration-clearing-infiltration-embedding
B:-Fixation-clearing-dehydration-infiltration-embedding
C:-Clearing-fixation-dehydration-infiltration-embedding
D:-Embedding-dehydration-fixation-infiltration-clearing
Correct Answer:- Option-A

Question21:-All are true regarding active site of an enzyme except

A:-The active site of an enzyme is relatively small compared with the total
volume of the enzyme molecule

B:-Active sites of enzymes are three dimensional structures that are formed as
a result of the overall tertiary structure of the protein

C:-Enzyme is bound to its substrate by covalent and noncovalent forces

D:-Active sites are noted in clefts and crevices in the protein which exclude