XI Biology Biological Molecules Online Test Mdcat-2024

1. During condensation process;

2. Prostaglandin synthesis can be inhibited by using;

3. The type of RNA involved in peptide linkages during protein synthesis is;

4. During conversion of ADP into ATP;

5. Water works as temperature stabilizer for organisms because of;

6. How many types of tRNA are found universally;

7. Most important organic compound of the cell which carry out virtually all of the cell’s activities.

8. Glycogen in found in;

9. In sickle cell anemia --------- is replaced by ----------- at the 6^th position.

10. The correct information about spider web is;

11. In insulin the two chains are held together by

12. Cholesterol is a type of steroid so it must have a basic nucleus made up of

13. NAD is a;

14. Choose the correct option;

I.The two strands of DNA are complementary

II.Uprights are made up of sugar and phosphate

III.Distance between two strands is 10 A

15. Choose the correct statement;

16. Each turn of the DNA duplex consists of;

17. They perform function as antigens of blood group,

18. Chitin is a polysaccharide which is functionally comparable to,

19. Nutritious protein derived from collagen of skin and bones,

20. DNA and RNA differ in

21. Waxes form protective coating on

22. ATP consists of 3 phosphate groups, adenine base and,

23. Triglycerides that are solid at room temperature,

24. Two different molecule belonging to different categories, usually combine together to form

25. Nucleotides have a nitrogenous base attached to a sugar at the

26. In which of the following an anticodon occurs?

27. Which purine base is found in DNA?

28. In which of the following group all are polysaccharides?

29. Match the following:

1.Proteins          a. Ester Bond

2.Carbohydrates    b. Phosphodiester bond

3.Lipids         c. Glycosidic bond

4.DNA           d. Peptide Bond

30. Non-essential amino acids are those amino acids that our body doesn’t contain and acquire through food.

31. Which among the following is incorrect about different saccharides?

32. Animal fats are ------------- at room temperature

33. Triglyceride is also known as

34. Myosin is one of the basic proteins involved in the contractile machinery of our body to which type of proteins do they belong?

35. Chemical component/s more in eukaryotic cell as compared to prokaryotic cell is/are  (i) Lipids  (ii) Carbohydrates  (iii) Proteins  (iv) DNA

36. Which one is soluble in hot water?

37. Oil and water do not mix together but rather a large droplet of oil is formed due to:

38. Testosterone is a hormone which is chemically similar to:

39. Which of the following is a characteristic of RNA but not DNA?

40. What is the primary function of proteins in living organisms?

41. If a DNA molecule consists of 360 nucleotides which are to be transcripted, the protein formed after translation will have number of amino acids;

42. The structure of a lipid contains all of the following except:

43. Which one of the following combinations of statements is true of saccharides in living organisms?

44. The lipid molecule is composed of glycerol and fatty acid molecules in a ratio of

45. Glucose is a good source of energy because

46. Which of the following is known as zero-calorie sugar?

a)

b)

c)

d) none of these

47. The number of peptide bonds in the compound is;

48. Which of the following is most commonly known as milk sugar?

49. A basic event in the protein synthesis is the creation of a/an;

50. The chemical nature of silk is;