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

Match List- I with List- II List- I (Biological Molecules) List- II (Biological functions) (a) Glycogen (i) Hormone (b) Globulin (ii) Biocatalyst (c) Steroids (iii) Antibody (d) Thrombin (iv) Storage product Choose the correct answer from the options given below:

(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)

(a) - (iv), (b) - (ii), (c) - (i), (d) - (iii)

(a) - (ii), (b) - (iv), (c) - (iii), (ii) - (i)

(a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)

HARD

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The ratio of oxygen and carbon atoms in lipid molecules is:

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Important Questions on Biomolecules

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which one of the following pairs of molecules never forms a hydrogen bond between them?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which of the following statements is not true about sucrose?

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Amylopectin is composed of:

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:

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Among the following, the incorrect statement is

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Two monomers in maltose are:

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Maltose on treatment with dilute

H C l

gives:

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which one of the following statement is not true?

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

A molecule of Stachyose contains how many carbon atoms?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Milk sugar is

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Which one given below is a non-reducing sugar?

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

Which of the given statements is incorrect about glycogen?

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

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

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

The reaction of concentrated sulphuric acid with carbohydrates

(C_{12} H_{22} O_{11})

is an example of

EASY

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Sucrose on hydrolysis gives

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

MEDIUM

Chemistry>Organic Chemistry>Biomolecules>Carbohydrates

Match List-

I

with List-

II

List- $I$ (Biological Molecules)		List- $II$ (Biological functions)
(a)	Glycogen	(i)	Hormone
(b)	Globulin	(ii)	Biocatalyst
(c)	Steroids	(iii)	Antibody
(d)	Thrombin	(iv)	Storage product

Choose the correct answer from the options given below:

The ratio of oxygen and carbon atoms in lipid molecules is:

Important Questions on Biomolecules

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