BIOMOLECULES

BIOMOLECULES

12th Grade

19 Qs

quiz-placeholder

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CLASS XII CHEMISTRY (BIOMOLECULES)

CLASS XII CHEMISTRY (BIOMOLECULES)

12th Grade

20 Qs

BIOMOLECULES

BIOMOLECULES

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

Meenakshi Sharma

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Glycogen is a branched-chain polymer of α-D-glucose units in which the chain is formed by C1—C4 glycosidic linkage, whereas branching occurs by the formation of C1-C6 glycosidic linkage. The structure of glycogen is similar to __________.

Amylose

Amylopectin

Cellulose

Glucose

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following polymer is stored in the liver of animals?

Amylose

Cellulose

Amylopectin

Glycogen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives _________.

2 molecules of glucose

2 molecules of glucose + 1 molecule of fructose

1 molecule of glucose + 1 molecule of fructose

2 molecules of fructose

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Which of the following pairs represents anomers?

Evaluate responses using AI:

OFF

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Proteins are found to have two different types of secondary structures viz. α-helix and β-pleated sheet structure. α-helix structure of the protein is stabilized by :

Peptide bonds

van der Waals forces

Hydrogen bonds

Dipole-dipole interactions

6.

OPEN ENDED QUESTION

3 mins • 1 pt

In disaccharides, if the reducing groups of monosaccharides, i.e. aldehydic or ketonic groups, are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar.

Evaluate responses using AI:

OFF

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following acids is a vitamin?

Aspartic acid

Ascorbic acid

Adipic acid

Saccharic acid

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