SST PAST PAPER BIOCHEM MCQS.docx

51. Which carbohydrate is called animal starch?
A) Cellulose
B) Starch
C) Glycogen ✔
D) Glucose

52. Simple sugars are known as:
A) Polysaccharides
B) Disaccharides
C) Monosaccharides ✔
D) Oligosaccharides

53. Sucrose is a:
A) Monosaccharide
B) Disaccharide ✔
C) Polysaccharide
D) Protein

54. Lactose is found in:
A) Fruits
B) Milk ✔
C) Plants
D) Meat

55. Fructose is commonly called:
A) Milk sugar
B) Cane sugar
C) Fruit sugar ✔
D) Blood sugar



56. Primary structure of protein refers to:
A) Shape
B) Amino acid sequence ✔
C) Folding
D) Function

57. Denaturation of protein means:

, A) Protein formation
B) Loss of shape ✔
C) Increase in activity
D) Digestion

58. Example of fibrous protein:
A) Enzyme
B) Hemoglobin
C) Keratin ✔
D) Insulin

59. Example of globular protein:
A) Keratin
B) Collagen
C) Hemoglobin ✔
D) Cellulose

60. Proteins act as enzymes because they:
A) Store energy
B) Speed up reactions ✔
C) Transport gases
D) Form membranes



61. Lipids provide more energy because they:
A) Contain oxygen
B) Contain more hydrogen ✔
C) Are soluble
D) Are proteins

62. Waxes are:
A) Polysaccharides
B) Proteins
C) Lipids ✔
D) Vitamins

63. Steroids belong to:
A) Proteins
B) Lipids ✔
C) Carbohydrates
D) Nucleic acids