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

MEDIUM

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Which of the following statements are true about carbohydrates?

$(i)$ Monosaccharides can be hydrolysed.

$(ii)$ The two monosaccharide units obtained on hydrolysis of a disaccharide can either be same or different.

$(iii)$ Polysaccharides are not sweet in taste.

$(iv)$ All monosaccharides are not reducing sugars.

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Important Questions on Biomolecules

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which one given below is a non-reducing sugar?

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Amylopectin is composed of:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Two monomers in maltose are:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Among the following which one is a non-reducing sugar?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

A molecule of Stachyose contains how many carbon atoms?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Milk sugar is

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the given statements is incorrect about glycogen?

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

The number of chiral carbons present in sucrose is ……….

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Fructose and glucose can be distinguished by:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the following statements is not true about sucrose?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Choose the correct statement of the following

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Among the following, the incorrect statement is

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

The correct observation in the following reaction is:

$Sucrose \to_{}^{Glycosidic bond Cleavage (Hydrolysis)} A + B \to_{}^{Seliwanoff Reagent} ?$

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

What are the functional groups present in the structure of maltose?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Sucrose on hydrolysis gives

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which one of the following statement is not true?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Maltose on treatment with dilute

H C l

gives:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

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

KOH

solution?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Synthesis of each molecule of glucose in photosynthesis involves

Important Questions on Biomolecules

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