NCERT Solutions Class 12 Chemistry Chapter 14 Environmental Chemistry Download In Pdf
Question 14.1 What are monosaccharides?
Question 14.2 What are reducing sugars?
Question 14.3 Write two main functions of carbohydrates in plants.
Question 14.4 Classify the following into monosaccharides and disaccharides. Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose.
Question 14.5 What do you understand by the term glycosidic linkage?
Question 14.6 What is glycogen? How is it different from starch?
Question 14.7 What are the hydrolysis products of (i) sucrose and (ii) lactose?
Question 14.8 What is the basic structural difference between starch and cellulose?
Question 14.9 What happens when D-glucose is treated with the following reagents?
(ii) Bromine water
Question 14.10 Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.
Question 14.11 What are essential and non-essential amino acids? Give two examples of each type.
Question 14.12 Define the following as related to proteins
(i) Peptide linkage
(ii) Primary structure
Question 14.13 What are the common types of secondary structure of proteins?
Question 14.14 What type of bonding helps in stabilising the α-helix structure of proteins?
Question 14.15 Differentiate between globular and fibrous proteins.
Question 14.16 How do you explain the amphoteric behaviour of amino acids?
Question 14.17 What are enzymes?
Question 14.18 What is the effect of denaturation on the structure of proteins?
Question 14.19 How are vitamins classified? Name the vitamin responsible for the coagulation of blood.
Question 14.20 Why are vitamin A and vitamin C essential to us? Give their important sources.
Question 14.21 What are nucleic acids? Mention their two important functions.
Question 14.22 What is the difference between a nucleoside and a nucleotide?
Question 14.23 The two strands in DNA are not identical but are complementary. Explain.
Question 14.24 Write the important structural and functional differences between DNA and RNA.
Question 14.25 What are the different types of RNA found in the cell?
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