Multiple Choice QuestionsMacromolecule chitin is
nitrogen containing polysaccharide
phosphorus containing polysaccharide
sulphur containing polysaccharide
simple polysaccharide
The essential chemical components of many coenzymes are
proteins
nuclei acids
carbohydrates
vitamins
One molecule of triglyceride is produced using
one fatty acid and one glycerol
one fatty acid and three glycerols
three fatty acids and three glycerols
three fatty acids and one glycerol
Which one of the following is enriched with a non-reducing sugar?
Grapes
Germinating barley grains
Table sugar
Mother's milk
C.
Table sugar
Sucrose is a disaccharide. It is commonly known as sugar, table sugar, cane sugar or beet sugar. It is enriched with non- reducing sugars because it is a carbohydrate which is not oxidised by a weak oxidising agent in basic aqueaous solution, i.e., it does not generate any compounds containing an aldehyde group. Sugar found in other given options ore grapes glucose and fructose (in grapes), grains maltose in germinating barley and lactose in mother's milk are all enriched with a reducing sugar, i.e., they has an aldehyde group or are capable of forming one in solution through isomerism.
Which of the following statements is wrong for sucrose?
It is a disaccharide
It is a non-reducing sugar
It accumulates in the cytoplasm
It is comprised of maltose and fructose
Absorption of vitamin-B;» in human requires 'P' glycoprotein secreted from 'Q'. The correct choices of P and Q are
P - Extrinsic factor; Q - Stomach
P - Intrinsic factor; Q - Stomach
P - Intrinsic factor; Q - Small intestine
P - Exopolysaccharide; Q - Small Intestine
Which one of the following combination of all three fatty acids are essential for human beings?
Oleic acid, linoleic acid and linolenic acid
Palmitic acid, linoleic acid and arachidonic acid
Oleic acid, linoleic acid and arachidonic acid
Linoleic acid, linolenic acid and arachidonic acid
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