The virus infecting bacteria is called:_________?

Related Mcqs:

1. Which bacteria causes fermentation__________________?

   A. Azotobacter
   B. Bacillus
   C. Pseudomonas
   D. Corey

2. Which bacteria convert nitrite to nitrate___________________?

   A. Frankia
   B. Nitrobacter
   C. Pseudomonas
   D. None of the above

3. In flood rice, snail feed on bacteria called__________________?

   A. Helix
   B. Limnea
   C. Azolla
   D. None of the above

4. What is the optimum temperature and pH for nitrifying bacteria ?

   A. 30-35 c, pH 5.5
   B. >35 c, pH less than 5
   C. 25-40 c, pH 8-8.5
   D. All of thses

   Submitted by: Shafiq Rehman

5. Bacteria, single celled animals and plants are grouped to gather as_______________________?

   A. Protozoa
   B. Prototypal
   C. Protista
   D. Prokaryotes

6. Which type of bacteria grow best within the temperature range 55°C_____________________?

   A. Mesophilic
   B. Thermophilic
   C. Psychrophilic
   D. All the above

7. Bacteria producing toxins that cause food poisoning are known as___________________?

   A. Clostridium
   B. Staphylococcus
   C. Mycodesmavin
   D. Both a & b

8. Which type of bacteria grow best at room temperature of 20____________________?

   A. Mesophilic
   B. Thermophilic
   C. Psychrophilic
   D. All the above

9. The acetic acid producing bacteria are___________________?

   A. Acetomonas
   B. Saccharomyces
   C. Streptococeus
   D. None of the above

10. In dairy industry, the most often used bacteria to convert milk sugar to lactic acid are___________________?

    A. Streptococcus
    B. Lactobacillus
    C. Acetobacter
    D. Both a & b