MEDIUM
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What are trisaccharides? Give one example.

Important Questions on Biomolecules

EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Show that sucrose is a disaccharide.
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar.
Reason (R): Sucrose involves glycosidic linkage between C1 of β-glucose and C2 of α-fructose.
Choose the most appropriate answer from the options given below :
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
What are tetrasaccharides? Give its general formula and an example
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

The following carbohydrate is

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EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
The reaction of concentrated sulphuric acid with carbohydrates C12H22O11 is an example of
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Glycosidic linkage between C1 of α-glucose and C2 of β-fructose is found in
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Write the names of two oligosaccharides.
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which one given below is a non-reducing sugar?
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which of the following will not produce an aldehyde group at the anomeric carbon in solution?
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
 All monosaccharides__________ Tollens' reagent.
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
What are reducing sugars?
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Maltose on treatment with dilute HCl gives:
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which one of the following statements is not true regarding (+) lactose?
HARD
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
When sugar 'X' is boiled with dilute H2SO4 in alcoholic solution, two isomers 'A' and 'B' are formed. 'A' on oxidation with HNO3 yields saccharic acid where as 'B' is laevorotatory. The compound 'X' is
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Identify the monosaccharide containing only one asymmetric carbon atom in its molecule.
EASY
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Synthesis of each molecule of glucose in photosynthesis involves
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
The Fischer presentation of D-glucose is given below

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The correct structure(s) of β-L- glucopyranose is(are)
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which of the following sugars is a reducing disaccharide?
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
Which one of the following statement is not true?
MEDIUM
Chemistry>Organic Chemistry>Biomolecules>Carbohydrates
For 'invert sugar', the correct statement(s) is (are)

(Given: specific rotations of +-sucrose, +-maltose, L---glucose and L-+-fructose in aqueous solution are + 66°, +140°, –52° and + 92°, respectively)