Biology Molecules Of Life

10 Questions | Total Attempts: 61

SettingsSettingsSettings
Please wait...
Life Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the followings is a monosaccharide?
    • A. 

      Glucose

    • B. 

      Sucrose

    • C. 

      Starch

    • D. 

      Glycerol

  • 2. 
    Which of the following is the correct base-pairing in DNA? 
    • A. 

      G—T, A—C

    • B. 

      G—C, A—T

    • C. 

      T—U, A—G

    • D. 

      G—C, A—U

  • 3. 
    Which of the following substances is not included in a phospholipid molecule?
    • A. 

      Fatty acid

    • B. 

      Glycerol

    • C. 

      Phosphate

    • D. 

      Deoxyribose

  • 4. 
    Disaccharides are formed by combining two molecules of monosaccharide through 
    • A. 

      Condensation.

    • B. 

      Hydrolysis.

    • C. 

      Photosynthesis.

    • D. 

      Respiration.

  • 5. 
    What is the function of iron in organisms? 
    • A. 

      Formation of haemoglobin

    • B. 

      Formation of chlorophyll

    • C. 

      Formation of protein

    • D. 

      Formation of bones

  • 6. 
    Which of the following does not show positive result for Benedict's test? 
    • A. 

      Glucose

    • B. 

      Fructose

    • C. 

      Lactose

    • D. 

      Sucrose

  • 7. 
    Why is glucose applied to a patient through intravenous injection when the patient is unable to eat or drink? 
    • A. 

      Glucose is sweet in taste.

    • B. 

      Glucose has a reducing property.

    • C. 

      Glucose is readily absorbed by body cells.

    • D. 

      Glucose is easily extracted.

  • 8. 
    Which of the following is insoluble? 
    • A. 

      Fructose

    • B. 

      Sucrose

    • C. 

      Maltose

    • D. 

      Glycogen

  • 9. 
    Which of the following substances is used in all living cells to release energy? 
    • A. 

      Glycogen

    • B. 

      Glucose

    • C. 

      Oxygen

    • D. 

      Vitamin

  • 10. 
    Which of the following statements about DNA molecules is incorrect? 
    • A. 

      They are mainly found in the cytoplasm.

    • B. 

      They are copied and passed to the offspring during reproduction.

    • C. 

      They determine the types of proteins produced.

    • D. 

      They make up genes.

Back to Top Back to top