A , B and C are three biomolecules. The results of the tests performed on them are given below: Molisch's test Barfoed Test Biuret Test A Positive Negative Negative B Positive Positive Negative C Negative Negative Positive A , B and C are respectively:

A = Lactose, B = Glucose, C = Albumin

A = Glucose, B = Fructose C = Albumin

A = Lactose, B = Glucose, C = Alanine

A = Lactose, B = Fructose, C = Alanine

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A disaccharide X cannot be oxidised by bromine water. The acid hydrolysis of X leads to a laevorotatory solution. The disaccharide X is

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Important Questions on Biomolecules

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the following compounds will behave as reducing sugar in an aqueous

KOH

solution?

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which one given below is a non-reducing sugar?

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Among the following, the incorrect statement is

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Maltose on treatment with dilute

H C l

gives:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

What is the difference between amylose and amylopectin?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Fructose and glucose can be distinguished by:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Synthesis of each molecule of glucose in photosynthesis involves

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the following statement is not true for glucose?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

The following carbohydrate is

Question Image

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which one of the following statements is not true regarding

(+)

lactose?

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Amylopectin is composed of:

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

The Fischer presentation of D-glucose is given below

Question Image

The correct structure(s) of

β - L -

glucopyranose is(are)

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the given statements is incorrect about glycogen?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

A molecule of Stachyose contains how many carbon atoms?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the following statements is not true about sucrose?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

A, B

and

C

are three biomolecules. The results of the tests performed on them are given below:

	Molisch's test	Barfoed Test	Biuret Test
$A$	Positive	Negative	Negative
$B$	Positive	Positive	Negative
$C$	Negative	Negative	Positive

A, B

and

C

are respectively:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Two monomers in maltose are:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Identify the monosaccharide containing only one asymmetric carbon atom in its molecule.

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the following statement(s) is(are) 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)

A disaccharide X cannot be oxidised by bromine water. The acid hydrolysis of X leads to a laevorotatory solution. The disaccharide X is

Important Questions on Biomolecules

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