XII Chemistry Biochemistry Online Test Mdcat-2024

Xii chemistry biochemistry online test

Instructions for Biochemistry Online Test Mdcat-2024:

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    Test Details:

      • Subject: Chemistry
      • Class: 2nd year or 12
      • Chapter name: Biochemistry 
      • Topics : 1. Proteins 2. Carbohydrates 3. Lipids
      • Test: MDCAT 2024
      • Book: Sindh Textbook
      • Total No. Of MCQS: 60
      • Time Allowed: 50 Minutes
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      XII Chemistry Biochemistry Online Test Mdcat-2024



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      1 / 60

      1. Which of the following is a primary function of proteins in the human body?

      2 / 60

      2. Proteins are crucial for the structure and function of which of the following?

      3 / 60

      3. Which type of protein is involved in the body's defense mechanisms?

      4 / 60

      4. Proteins play a vital role in which of the following processes?

      5 / 60

      5. 1g of protein can provide approximately how much energy?

      6 / 60

      6. Which of the following is a transport protein?

      7 / 60

      7. Proteins are important for:

      8 / 60

      8. Which of the following is NOT a property of proteins?

      9 / 60

      9. Which feature of amino acids in proteins contributes to their dipolar nature?

      10 / 60

      10. Proteins are water soluble due to:

      11 / 60

      11. What does it mean when a protein is described as amphoteric?

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      12. Which structural feature of proteins is responsible for their amphoteric nature?

      13 / 60

      13. Proteins exhibit flexibility due to:

      14 / 60

      14. How does the amphoteric nature of proteins affect their behavior in different pH environments?

      15 / 60

      15. Proteins are :

      16 / 60

      16. Example of Quaternary protein

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      17. Example of tertiary proteins.

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      18. Which of the following best describes the tertiary structure of a protein?

      19 / 60

      19. Which type of bond is primarily responsible for stabilizing the tertiary structure of proteins?

      20 / 60

      20. Which of the following interactions is NOT typically involved in maintaining the tertiary structure of proteins?

      21 / 60

      21. Select the incorrect regarding secondary structure of proteins

      22 / 60

      22. Albumin, Globulin and Casein are

      23 / 60

      23. Which of the following is not an catalytic protein.

      24 / 60

      24. Which of the following is the primary function of catalytic proteins (enzymes)?

      25 / 60

      25. Which of the following is NOT a factor that can affect enzyme activity?

      26 / 60

      26. The region of an enzyme where substrate molecules bind and undergo a chemical reaction is known as the:

      27 / 60

      27. Which type of enzyme inhibition occurs when an inhibitor binds to an enzyme at a site other than the active site, causing a change in the enzyme's shape and function?

      28 / 60

      28. Which class of proteins is primarily involved in catalyzing biochemical reactions?

      29 / 60

      29. What are proteins primarily composed of?

      30 / 60

      30. Which type of bond links amino acids together in a protein?

      31 / 60

      31. What is the primary structure of a protein?

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      32. What determines the specific function of a protein?

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      33. What level of protein structure involves multiple polypeptide chains?

      34 / 60

      34. Which of the following can denature a protein?

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      35. Which of the following best describes the primary focus of biochemistry?

      36 / 60

      36. What is the simplest form of carbohydrates?

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      37. Which of the following is a common monosaccharide?

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      38. Which of the following is a disaccharide?

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      39. What type of bond links monosaccharides together to form disaccharides and polysaccharides?

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      40. Which polysaccharide is used for energy storage in animals?

      41 / 60

      41. Which of the following polysaccharides is a major component of plant cell walls?

      42 / 60

      42. Which carbohydrate cannot be digested by humans and acts as dietary fiber?

      43 / 60

      43. What is the primary function of carbohydrates in the human body?

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      44. What is the common name for the carbohydrate sucrose?

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      45. Which process breaks down carbohydrates into simpler sugars during digestion?

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      46. High intake of which type of carbohydrate is linked to increased risk of dental cavities?

      47 / 60

      47. Excessive consumption of which carbohydrate is linked to obesity and metabolic syndrome?

      48 / 60

      48. Which carbohydrate is commonly associated with providing quick energy to the body?

      49 / 60

      49. Lactose can be broken down into :

      50 / 60

      50. Among nutritional biomolecules which of the following has larger percentage in human body?

      51 / 60

      51. Simple lipids are divided into:

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      52. On the basis of Chemical composition Lipids are divided into :

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      53. Which of the following are triglycerides or triesters?

      54 / 60

      54. Fatty acids chains in fats and oils consists of :

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      55. Which of the following are saturated fatty acids ?

      56 / 60

      56. Cholestrol is an example of :

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      57. Lipids float on water because:

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      58. Lipids are important because :

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      59. Lipids can Exist as:

      60 / 60

      60. Which of the following is correct about melting points of Saturated and Unsaturated Lipids:

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