PHG221-Lab 1 -Spring'24

Monosaccharide is classified according to.....................……...................

• Their functional group and Number of sugar unit

• Their functional group and number of carbon atoms

• Number of  sugar unit and number of carbon atom

• Their functional group and reducing power

Example of non-reducing oligosaccharide is....................................

• Glucose

• Fructose

• Maltose

• Sucrose

To differentiate between glucose and fructose, …….............….test is performed.

• Molisch Test

• Fehling Test

• Resorcinol Test

• Osazone Test

Lactose gives ....................... in osazone test.

• Yellow ppt on hot

• Yellow ppt on cold      

• Brown ppt on hot

• Brown ppt on cold

Fructose shows ................ under microscope in Osazone test.

• Raphides

• Rosettes

• Tufts

• Needles

In order to differentiate between the reducing and non-reducing sugar, we use.........................

• Molisch Test

• Osazone Test

• Fehling Test

• Resorcinol Test

Glucose classified according to functional group as…………....................

• Aldose

• Ketose

• Hexose

• Pentose

To differentiate between monosaccharides and disaccharides,

which test can be used?

• Fehling test

• Barfoed’s test

• Seliwanoff test

• Galactose

Cyclic form of sugars can be a part of any chemical reaction

• True

• False

Mutarotation is the change of sugar structure from cyclic chain to open chain

• True

• False