Class 12
Chemistry :-NCERT Solution - Biomolecules
Question 2
What are the expected products of hydrolysis of lactose?
Exercise1
Question 3
How do you explain the absence of the aldehyde group in the pentaacetate of D-glucose?
Exercise1 Question 5
Where does the water present in the egg go after boiling the egg?
Exercise1 Question 6
Why cannot vitamin C be stored in our body?
Exercise1 Question 7
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
Exercise1 Question 8
When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?
Exercise2 Question 1
What are monosaccharides?
Exercise2 Question 2
What are reducing sugars?
Question 5
What do you understand by the term glycosidic linkage?
Exercise2 Question 6
What is glycogen? How is it different from starch?
Exercise2 Question 11
What are essential and non-essential amino acids? Give two examples ofeach type.
Exercise2 Question 13
What are the common types of secondary structure of proteins?
Exercise2 Question 14
What type of bonding helps in stabilising the ∝-helix structure of proteins?
Exercise2 Question 16
How do you explain the amphoteric behaviour of amino acids?
Exercise2 Question 17
What are enzymes?
Exercise2 Question 18
What is the effect of denaturation on the structure of proteins?
Exercise2 Question 19
How are vitamins classified? Name the vitamin responsible for thecoagulation of blood.
Exercise2 Question 20
Why are vitamin A and vitamin C essential to us? Give their important sources.
Exercise2 Question 21
What are nucleic acids? Mention their two important functions.
Exercise2 Question 22
What is the difference between a nucleoside and a nucleotide?
Exercise2 Question 25
What are the different types of RNA found in the cell?