GOOD LUCK TUITION CENTER FOR CHEMISTRY
No. 655 A 48TH STREET 9TH SECTOR K K NAGAR CHENNAI -78. PH : 23663848
BIMOLECULES
Very Short Answer Questions
1. Which of the two components of starch is water soluble?
2. What are the products of hydrolysis of sucrose?
3. What is a glycosidic linkage?
4. What are the products of hydrolysis of lactose?
5. Name two components of starch
6. Write a reaction which shows that all the carbon atoms in glucose are linked in a straight
chain.
7. What is meant by invert sugar?
8. Give an example each of reducing and non‐reducing sugars.
9. What are monosaccharides?
10. What is meant by reducing sugar?
11. What are the structural feature characterizing reducing sugars?
12. Why are carbohydrates generally optically active?
13. What are the two functions of carbohydrates in plants?
14. What are biocatalysts? Give an example.
15. What are enzymes?
16. Define peptide linkage.
17. Write the name of linkage joining two amino acids?
18. What type of bonding helps in stabilising ‐helix structure of proteins?
19. What are the different types of RNA molecules which perform different functions?
20. Name the deficiency disease resulting from lack of Vitamin A and E in the diet.
21. What is the biological effect of denaturation of protein?
22. Write the full form of DNA and RNA.
23. Of the two bases named below, which one is present in RNA and which one is present in
DNA?(i) Thymine (ii) Uracil
24. The deficiency of which vitamin causes the disease, pernicious anaemia?
25. Define the following giving one example. Zwitter ion
26. What are polypeptides?
27. Write the product obtained when D ‐glucose reacts with H 2 N − OH .
28. Write the structure of the product obtained when glucose is oxidized with nitric acid.
, 29. Amino acids show amphoteric behaviour. Why?
30. What type of linkage is responsible for the formation of proteins?
31. Where does the water present in the egg go after boiling the egg?
32. Deficiency of which vitamin causes rickets?
33. Deficiency of which vitamin causes scurvy?
34. Why are vitamin A and vitamin C essential for us?
35. Name one of the water soluble vitamin which is powerful antioxidant. Give its one natural
source.
36. How are hormones and vitamins different in respect of their source and functions?
37. Name the only vitamin which can be synthesized in our body. Name the disease caused due
to the deficiency of this vitamin.
38. Mention one important function of nucleic acids in our body.
39. Name of the purines present in DNA.
2 MARKS
40. Explain what is meant by(i) Pyranose structure of glucose?(ii) Glycosidic linkage?
41. Write such reactions and facts about glucose which cannot be explained by its open chain
structure.
42. What is essentially the difference between the ‐form of glucose and ‐form of glucose?
Explain.
43. Answer the following questions:(i) Why are vitamin B and C essential for us?(ii) What is
the difference between nucleoside and nucleotide?
44. What is the structural and functional difference between DNA and RNA?
45. Write the main structural difference between DNA and RNA. Of the two bases uracil and
thymine which one is present in DNA?
46. Explain the meaning of following terms: (i) Polypeptide(ii) Enzymes
47. Write the main structural difference between DNA and RNA. Of the four bases which one is
common in both DNA and RNA?
48. Describe what do you understand by primary and secondary structure of proteins
49. Name the bases present in RNA. Which one of these is not present in DNA?
50. What are vitamins? Deficiency of which vitamin cause convulsions and pernicious anaemia?
51. What is meant by denaturation of protein?
52. Name four bases present in DNA. Which of these is not present in RNA?
53. Name two fat soluble vitamins, their sources and the disease caused due to their deficiency
in diet.
No. 655 A 48TH STREET 9TH SECTOR K K NAGAR CHENNAI -78. PH : 23663848
BIMOLECULES
Very Short Answer Questions
1. Which of the two components of starch is water soluble?
2. What are the products of hydrolysis of sucrose?
3. What is a glycosidic linkage?
4. What are the products of hydrolysis of lactose?
5. Name two components of starch
6. Write a reaction which shows that all the carbon atoms in glucose are linked in a straight
chain.
7. What is meant by invert sugar?
8. Give an example each of reducing and non‐reducing sugars.
9. What are monosaccharides?
10. What is meant by reducing sugar?
11. What are the structural feature characterizing reducing sugars?
12. Why are carbohydrates generally optically active?
13. What are the two functions of carbohydrates in plants?
14. What are biocatalysts? Give an example.
15. What are enzymes?
16. Define peptide linkage.
17. Write the name of linkage joining two amino acids?
18. What type of bonding helps in stabilising ‐helix structure of proteins?
19. What are the different types of RNA molecules which perform different functions?
20. Name the deficiency disease resulting from lack of Vitamin A and E in the diet.
21. What is the biological effect of denaturation of protein?
22. Write the full form of DNA and RNA.
23. Of the two bases named below, which one is present in RNA and which one is present in
DNA?(i) Thymine (ii) Uracil
24. The deficiency of which vitamin causes the disease, pernicious anaemia?
25. Define the following giving one example. Zwitter ion
26. What are polypeptides?
27. Write the product obtained when D ‐glucose reacts with H 2 N − OH .
28. Write the structure of the product obtained when glucose is oxidized with nitric acid.
, 29. Amino acids show amphoteric behaviour. Why?
30. What type of linkage is responsible for the formation of proteins?
31. Where does the water present in the egg go after boiling the egg?
32. Deficiency of which vitamin causes rickets?
33. Deficiency of which vitamin causes scurvy?
34. Why are vitamin A and vitamin C essential for us?
35. Name one of the water soluble vitamin which is powerful antioxidant. Give its one natural
source.
36. How are hormones and vitamins different in respect of their source and functions?
37. Name the only vitamin which can be synthesized in our body. Name the disease caused due
to the deficiency of this vitamin.
38. Mention one important function of nucleic acids in our body.
39. Name of the purines present in DNA.
2 MARKS
40. Explain what is meant by(i) Pyranose structure of glucose?(ii) Glycosidic linkage?
41. Write such reactions and facts about glucose which cannot be explained by its open chain
structure.
42. What is essentially the difference between the ‐form of glucose and ‐form of glucose?
Explain.
43. Answer the following questions:(i) Why are vitamin B and C essential for us?(ii) What is
the difference between nucleoside and nucleotide?
44. What is the structural and functional difference between DNA and RNA?
45. Write the main structural difference between DNA and RNA. Of the two bases uracil and
thymine which one is present in DNA?
46. Explain the meaning of following terms: (i) Polypeptide(ii) Enzymes
47. Write the main structural difference between DNA and RNA. Of the four bases which one is
common in both DNA and RNA?
48. Describe what do you understand by primary and secondary structure of proteins
49. Name the bases present in RNA. Which one of these is not present in DNA?
50. What are vitamins? Deficiency of which vitamin cause convulsions and pernicious anaemia?
51. What is meant by denaturation of protein?
52. Name four bases present in DNA. Which of these is not present in RNA?
53. Name two fat soluble vitamins, their sources and the disease caused due to their deficiency
in diet.
