In the name of ALLAH, the most beneficient, the most merciful

Food Biotechnology (BT404)

Multiple Choice Questions (MCQs)

Objective Questions

  1. To use a food additive at industrial level, it must be approved by ________.

    1. NCBI
    2. NIH
    3. FDA
    4. None of the given
  2. Glycerine is a ________.

    1. polyol
    2. antioxidant
  3. ________ reduce surface tension of materials to permit absorption of water by the material.

    1. oxidizing agent
    2. wetting agent
    3. polyols
    4. All of the given
  4. Many lactobacilli and bifidobacteria survive in fermented milk products for ________ weeks.

    1. 4 to 16
    2. 4 to 8
    3. 6 to 8
    4. 9 to 10
  5. Vitamin D is a precursor produced by ________.

    1. stomach
    2. brain
    3. lungs
    4. liver
  6. What is an example of pro oxidants?

    1. heat
    2. light
    3. metals
    4. All of the given
  7. Ionization radiation can be considered as ________.

    1. food toxicity
    2. food nutrient
    3. food supplement
    4. food additive
  8. Glucose oxidase is responsible for formation of ________.

    1. sulphuric acid
    2. gluconic acid
    3. glucose
    4. formaldehyde
  9. Peptidases are responsible for splitting of ________.

    1. peptides
    2. peptones
    3. amino acids
    4. None of the given
  10. What is responsible for undesirable taste in butter ________.

    1. butyric acid
    2. acetic acid
    3. hydrolyic acid
    4. phosphatic acid
  11. Catalyses are useful for humans because ________.

    1. increase oxidative stress
    2. reduce ocidative stress
    3. Both of these
    4. None of the given
  12. FDCA stands for ________.

    1. U.S. Former Food, Drug, and Cosmetic Act
    2. U.S. Federal Food, Drug, and Cosmetic Act
    3. U.S. Federal Fog, Drug, and Cosmetic Act
    4. U.S. Federal Food, Drainage, and Cosmetic Act
  13. Example of a phospholipid is ________.

    1. lecithin
    2. glucose
    3. glycerine
    4. glutin
  14. Pectin is a ________ in fruits.

    1. emulsifier
    2. coloring agent
    3. fiber
    4. vitamin
  15. Benzoyl peroxide is a ________.

    1. oxidizing agent
    2. reducing agent
  16. Wick of a candle burning is a best example for ________.

    1. reduction
    2. redox reactions
    3. oxidation
    4. metabolism
  17. Prosthetic groups present in enzymes are also called ________.

    1. repessors
    2. activators
    3. inducers
    4. coenzymes
  18. Vinegar is also known as ________.

    1. alcohol
    2. peptic acid
    3. acetic acid
    4. citric acid
  19. Which flavors are more expensive?

    1. natural
    2. artificial
    3. synthetic
    4. None of the given
  20. Enzymes are very important for living beings because ________.

    1. because they provide energy
    2. because they accelerate metabolic reactions in body
    3. because they are inducers of food
    4. because they are found in foods
  21. Deterioration of fruit is done by ________.

    1. actin
    2. pectin
    3. myosin
    4. cellulose
  22. Bromothymol blue is a ________.

    1. indicator dye
    2. flurecent
  23. Hydrogen peroxide is broken down by ________.

    1. hrdrogenases
    2. catalyses
    3. glucoronidases
    4. reptidses
  24. Clouding in fruit juices is caused by ________.

    1. pectinases
    2. lipases
    3. amylases
    4. lecithin
  25. ________ is an example of nutritive vitamin.

    1. vit A
    2. vit D
    3. vit C
    4. vit F
  26. Combustion is an example of ________.

    1. oxidation
    2. reduction
    3. redox
    4. hydrogenation
  27. What is the full form of FDA?

    1. fuel and drug agency
    2. food and drug administration
    3. food and drug agency
    4. food and detergent agency
  28. ________ is used to prevent browning in certain dried fruits.

    1. nitrogen dioxide
    2. sulfur dioxide
    3. carbon dioxide
    4. aluminium