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

Microbial Biotechnology (BT402)

Multiple Choice Questions (MCQs)

Objective Questions

  1. Microbial mining is where acidophilic bacteria, such as are used to obtain copper from their ore. Acidic solution is showered over the copper ore, to increase bacterial growth residing in the soil surrounding the ore

    1. Thiobacillus ferroxidans
    2. Sulfobacillus
    3. Acidithiobacillus thiooxidans
    4. None of the given
  2. Some ________ are so-called biocontrol organisms, can inhibit the growth of harmful microorganisms.

    1. bacteria and fungi
    2. Plants
    3. Animals
    4. Viruses
  3. The vaccines prepared through recombinant DNA technology are

    1. Third generation vaccines
    2. First generation vaccines
    3. Second generation vaccines
    4. None of the given
  4. In 1997, more than ________ tons of heavy oil leaked from the Russian tanker Nakhodka, which ran aground and sank in the Sea of Japan.

    1. 5000
    2. 3000
    3. 2000
    4. 1000
  5. The first study to measure biomagnification was carried out in Clear Lake in northern ________.

    1. California
    2. USA
    3. UK
    4. Japan
  6. Which item cannot put in a compost bin?

    1. Cardboard
    2. Shredded Paper
    3. Cooking oil
    4. Tea bags
  7. Nisin inhibits the growth of a wide range of ________, including Listeria, Clostridium, Bacillus, and enterococci, but is not effective against yeasts, and molds

    1. Gram positive bacteria
    2. Gram negative bacteria
    3. Streptococcus
    4. None of the given
  8. A biofuel is defined as any fuel whose energy is obtained through a process of biological ________.

    1. Sulpher fixation
    2. Oxygen fixation
    3. Nitrogen fixation
    4. Carbon fixation
  9. The process of making genetically engineering animals is a slow, tedious, and ________ process.

    1. Expensive
    2. Cost effective
    3. Both Expensive and Cost effective
    4. None of the given
  10. ________ Metal is inert to microbial action.

    1. Gold
    2. Silver
    3. Platinum
    4. None of the given.
  11. ________ is the most common ingredient to use for stoves and non-wick lanterns.

    1. Ethanol
    2. Diesel
    3. kerosene
    4. Oil
  12. Biodiesel, Biogas and syngas is an example of

    1. First generation biofuel
    2. Second generation biofuel
    3. Third generation biofuel
    4. All of the given
  13. More than ________ of energy consumed in the United States is used for vehicle transportation.

    1. 40%
    2. 50%
    3. 30%
    4. 60%
  14. Which of the following is not used as a Biopesticide?

    1. Bacillus thuringiensis
    2. Trichoderma harzianum
    3. Nuclear Polyhedrosis Virus (NPV)
    4. Xanthomonas campestris
  15. The secondary treatment of sewage reduces the ________.

    1. Biochemical oxygen demand
    2. Chemical oxygen demand
  16. True yeast metabolizes sugar producing ________ and ________ gas. This is known as fermentation.

    1. Alcohol, carbon dioxide
    2. Nitrogen, carbon dioxide
    3. oxygen, nitrogen
    4. None of the given
  17. During vaccine production Antigen is generated from ________.

    1. Bacteria
    2. Fungi
    3. Algae
    4. Plants
  18. ________ is based on designing a selection scheme in which only strains with the desired property can grow.

    1. Dominant Selection
    2. Stabilizing selection
    3. Natural selection
    4. None of the given
  19. Primary treatment of sewage consists of removal of ________.

    1. Suspended solids
    2. Metals
    3. Solids
    4. None of the given
  20. Using worms to recycle food scraps and other organic material into a valuable soil amendment called

    1. Vermicomposting
    2. Backyard composting
    3. Composting
    4. All of the given
  21. Process of using natural bacteria in mining industry is known as

    1. Biodegradation
    2. Bioremediation
    3. Bioleaching
    4. Biomining
  22. The study involves to combat plant diseases that attack important food crops, work on methods to increase soil fertility and crop yields etc called as ________.

    1. Agricultural microbiology
    2. Microbial microbiology
    3. Botany
    4. Zology
  23. The majority of biofuel come from food crops either sugars or oils are called ________.

    1. first generation biofuel
    2. Second generation biofuel
    3. Third generation biofuel
    4. None of the given.
  24. A human being, for instance, has to consume an average of ________ to survive.

    1. 1.5L/day
    2. 2.5L/day
    3. 5.5L/day
    4. 8.5L/day
  25. One molecule of N2 requires about ________ molecules of ATP, so it is expensive from the bacterial standpoint.

    1. 25
    2. 30
    3. 40
    4. 50
  26. The first, largest, and most inclusive group under which organisms are classified is called a ________.

    1. Domain
    2. Order
    3. Family
    4. Division
  27. The third important stage of Vaccine production is ________.

    1. Formulation
    2. Inactivation
    3. Improvement
    4. Purification
  28. Stirred tank bio-oxidation is the fastest method of bioleaching but, due to ________ costs, is only appropriate for some operations and is currently being used at ten different sites across the world.

    1. Lower
    2. Higher
  29. The egg-free flu vaccine contains an ________ virus protein that is produced in cell culture.

    1. Influenza
    2. Mumps
    3. Measles
    4. polio