Chapter No 2 :BiologIcal Molecules (126 MCQ`S)

  1. Pick the carbohydrates that act as storage compounds in living organisms:
    1. Starch & Cellulose
    2. Glycogen & Cellulose
    3. Cellulose & Chitin
    4. Starch & Glycogen
    5. Show Answer
      Answer: D
      Explanation:
      • Starch is stored in plants and glycogen in animals
  2. Identify the sugar that can be hydrolyzed and is non-reducing in nature:
    1. Maltose
    2. Glucose
    3. Sucrose
    4. All of these
    5. Show Answer
      Answer: C
      Explanation:
      • Since the reducing groups of glucose and fructose are involved in glycosidic bond.
  3. The ratio of H:O in lipids is _______________ as compared to carbohydrates.
    1. Lower
    2. Same
    3. Very Low
    4. Higher
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  4. Carbon atom devoid of OH group in ribose is:
    1. C2
    2. X1
    3. C5
    4. C4
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  5. Carbohydrate mostly transported in phloem sap is:
    1. Glucose
    2. Sucrose
    3. Fructose
    4. Starch
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  6. Most common fuel for cells is:
    1. ATP
    2. Glucose
    3. Glycogen
    4. Cholesterol
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  7. Which of the sugars is most sweet in taste?
    1. Fructose
    2. Glucose
    3. Starch
    4. Glycogen
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  8. Which of the following are not heterogeneous group of organic compounds?
    1. Conjugated molecules
    2. Lipids
    3. Carbohydrates
    4. Proteins
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  9. Triglycerides are the esters formed by releasing OH from ____________ and H from _________ during dehydration synthesis?

    1. Glycerol ; Glycerol

    2. Glycerol ; Fatty acids

    3. Fatty acids ; Glycerol

    4. Fatty acids ; Glycerol

    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  10. Find the odd one out of the following:
    1. Acetic acid
    2. Butyric acid
    3. Palmitic acid
    4. Oleic acid
    5. Show Answer
      Answer: D
      Explanation:
      • Oleic acid is an unsaturated fatty acid

COMING SOON

  1. FINE ARTS
  2. HOME ECONOMICS
  3. JOURNALISM
  4. PHILOSOPHY
  5. SARAIKI(سرائیکی)
  6. SOCIAL WORK