MCQs Test Cultivation of Bacteria

MCQs of Cultivation of Bacteria

Quiz

 

1. Most bacteria show best growth at pH __
   1.   9.2
   2.   15.4
   3.   7.2
   4.   3.5
2. Which type of culture media cannot be used for culturing the aerobes?
   
   1.   Selective media
   2.   Reducing Media
   3.   Differential Media
   4.   Enrichment Media
3. Which of the following is not applicable for Agar
   1.   Source of nutrient
   2.   Polysaccharide
   3.   Melts at approximately 100°C
   4.   Solidifies approximately at 42°C
4. The optimum activity of an enzyme isolated from a thermophile bacteria is expected to be in the ____.
   
   1.   0-20°C
   2.   20-40°C
   3.   40-60°C
   4.   60-80°C
5. Which of the following is an example of psychrophilic bacteria.
   
   1.   Vibrio psychroerythrus
   2.   Escherichia coli
   3.   Thermus aquaticus
   4.   Salmonella typhi
6. Peptone water and Nutrient broth are examples of ___,
   1.   Enriched Media
   2.   Enrichment Media
   3.   Selective Media
   4.   Basal Media.
7. Which of the following bacteria is an example of Acidophilic bacterias
   
   1.   Lactobacillus acidophilus
   2.   Staphylococcus aureus.
   3.   Clostridium tetani.
   4.   Salmonella typhi.
8. Stuart’s transport media is used for transportation of which of the following microorganism,
   1.   Neisseria gonorrhoeae
   2.   Clostridium welchii.
   3.   Vibrio cholerae.
   4.   Klebsiella pneumoniae
9. Mackonkey’s Agar is a ____
   1.   Selective Medium
   2.   Differential Medium
   3.   Indicator Media
   4.   Transport Medium
10. Most suitable media for antibiotic sensitivity study is ___,
    
    1.   Nutrient Agar
    2.   Muller - Hinton Media
    3.   Stuart’s Medium
    4.   Chocolate Agar
11. The substance used to solidify the culture medium is,
    
    1.   Agar
    2.   Gelatin
    3.   Thioglycolate
    4.   Peptone
12. Which statement is true for Microaerophilic organisms,
    1.   Require low levels of Oxygen for growth but can not tolerate the levels of Oxygen present in atmospheric air.
    2.   Require low levels of Carbon Dioxide for growth but can not tolerate the levels of Carbon Dioxide present in atmospheric air.
    3.   Can not tolerate Oxygen.
    4.   Can tolerate a large amount of Oxygen.
13. Which statement is true for Obligate Anaerobe organisms
    1.   Require low levels of Oxygen for growth but can not tolerate the levels of Oxygen present in atmospheric air.
    2.   Require low levels of Carbon Dioxide for growth but can not tolerate the levels of Carbon Dioxide present in atmospheric air.
    3.   Can not tolerate Oxygen.
    4.   Can tolerate a large amount of Oxygen.
14. Anaerobic Jar is invented by___
    
    1.   MacIntosh and Fides.
    2.   Koch and Petri.
    3.   Robertson and Jackson.
    4.   Alexander Fleming.
15. Which of the following is an example of thermophilic bacteria.
    
    1.   Vibrio psychroerythrus
    2.   Escherichia coli
    3.   Thermus aquaticus
    4.   Salmonella typhi