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Practice Test - 1

Welcome to your Biomolecules

1. 
Carbohydrates are stored in human body as the polysaccharide

2. 
Water insoluble component of starch is

3. 
An alteration in the base sequence of nucleic acid molecule is

4. 
Which of the following reagents cannot distinguish between glucose and fructose?

5. 
Glucose reacts with acetic anhydride to form

6. 
Conversion of maltose to glucose is possible by the enzyme

7. 
Fibrous proteins are insoluble in

8. 
α- and β-glucose differ in the orientation of –OH group around

9. 
Which amino acid is achiral?

10. 
Which compound will NOT show mutarotation?

11. 
Basic solution of fructose contains

12. 
The two structures of D-glucopyranose forms are

13. 
Oxidation of fructose with bromine water gives

14. 
Reduction product of glucose is

15. 
Glucose gives silver mirror test with Tollen’s reagent. It shows the presence of

16. 
Insulin production and its action in human body is responsible for the level of diabetes. This compound belongs to

17. 
Which of the following is known as levulose sugar?

18. 
Which of the following is a polysaccharide?

19. 
Enzymes are made up of

20. 
In which disaccharide glycosidic linkage is formed between anomeric –OH of glucose and anomeric –OH of fructose?

21. 
Reducing property of monosaccharides is due to the presence of

22. 
An example of a sulphur containing amino acid is

23. 
The term anomers of glucose refers to

24. 
Which enzyme converts glucose to ethanol?

25. 
The reason for double helical structure of DNA is

26. 
Table sugar is

27. 
The aldehyde which is formed during photosynthesis of plants is

28. 
Insulin production and its action in human body is responsible for the level of diabetes. This compound belongs to

29. 
Fructose is keto sugar, even then it gives red precipitate with Fehling solution because

30. 
The α-amino acid which contains an aromatic side chain is

31. 
Fructose is keto sugar, even then it gives red precipitate with Fehling solution because

32. 
Rapid interconversion of α-D-glucose and β-D-glucose in solution is known as

33. 
The most important energy carrier in the living cells is

34. 
Cellulose is a polymer of

35. 
Basic solution of fructose contains

36. 
An example of a sulphur containing amino acid is

37. 
Which one of the following carbohydrates will show mutarotation?

38. 
Carbohydrates are stored in human body as the polysaccharide

39. 
Which of the following is correct about enzymes?

40. 
Which compound will NOT show mutarotation?

41. 
Which of the following is an amphoteric acid?

42. 
Iodine test is shown by

43. 
Which one on reduction with NaBH4 gives equimolar sorbitol and mannitol?

44. 
The pyrimidine bases present in DNA are

45. 
Which one of the following is a non-reducing sugar?