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NCERT solutions Chemistry Class 12 Part 2 chapter 14 Biomolecules

Chapter 14 - Biomolecules

Page 423

What are monosaccharides?

Q 1 | Page 423

What are reducing sugars?

Q 2 | Page 423

Write two main functions of carbohydrates in plants.

Q 3 | Page 423

Classify the following into monosaccharides and disaccharides.

Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose

Q 4 | Page 423

Define the following terms:

Glycosidic linkage

Q 5 | Page 423

What is glycogen? How is it different from starch?

Q 6 | Page 423

What are the hydrolysis products of sucrose 

Q 7.1 | Page 423

What are the hydrolysis products of lactose?

Q 7.2 | Page 423

What is the basic structural difference between starch and cellulose?

Q 8 | Page 423

What happens when D-glucose is treated with the following reagents?

(i) HI (ii) Bromine water (iii) HNO3

Q 9 | Page 423

Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.

Q 10 | Page 423

What are essential and non-essential amino acids? Give two examples of each type.

Q 11 | Page 423

Define the following as related to proteins 

Peptide linkage

Q 12.1 | Page 423

Define the following terms as related to proteins :

Primary structure

Q 12.2 | Page 423

Define the following terms as related to proteins:

Denaturation

Q 12.3 | Page 423

What are the common types of secondary structure of proteins?

Q 13 | Page 423

What type of bonding helps in stabilising the ∝-helix structure of proteins?

Q 14 | Page 423

Differentiate between globular and fibrous proteins.

Q 15 | Page 423

How do you explain the amphoteric behaviour of amino acids?

Q 16 | Page 423

What are enzymes

Q 17 | Page 423

What is the effect of denaturation on the structure of proteins?

Q 18 | Page 423

How are vitamins classified? Name the vitamin responsible for the coagulation of blood.

Q 19 | Page 423

Why are vitamin A and vitamin C essential to us? Give their important sources.

Q 20 | Page 423

What are nucleic acids? Mention their two important functions.

Q 21 | Page 423

What is the difference between a nucleoside and nucleotide ?

Q 22 | Page 423

The two strands in DNA are not identical but are complementary. Explain.

Q 23 | Page 423

Write the important structural and functional differences between DNA and RNA.

Q 24 | Page 423

What are the different types of RNA found in the cell?

Q 25 | Page 423

NCERT Chemistry Class 12 Part 2

Chemistry Textbook for Class 12 Part 2
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