Nitrification is the microbial conversion of____________________?

Related Mcqs:

1. The world’s food is lost by microbial spoilage upto the extent of___________________?

   A. One-half
   B. One-fourth
   C. One-fifth
   D. One-third

2. Microbial gum used in food serve as_________________?

   A. Stabilizer
   B. Emulsifier
   C. Thickener
   D. All the above

3. Clay and humus particles are referred to as colloids and are less than 0.002mm. Due to their small size, colloids have ________________ surface area which provides surface for adsorption, catalysis, precipitation and microbial colonization:

   A. Extremely low
   B. Extremely high
   C. Very little
   D. None of these

   Submitted by: Shafiq Rehman

4. Schist is example of____________________?

   A. Stone
   B. Name of mountain
   C. Metamorphic rock
   D. None of the above

5. Microorganisms have C/N ratio of____________________?

   A. 2:1
   B. 4:1
   C. 12:1
   D. 20:1

6. Na and k can be determined by the use of____________________?

   A. Hydrometer
   B. Flame photometer
   C. Spectrophotometer
   D. All the above

7. Particular matter consists of____________________?

   A. Solid and gases
   B. CO2 & N
   C. Solid and liquid
   D. None of the above

8. High values of genetic advance are indicative of____________________?

   A. Dominance gene action
   B. Additive gene action
   C. non-additive gene action
   D. Partial dominance gene action

9. Cytochrome Oxidase and alcohol de hydrogenise are the examples of____________________?

   A. Oxidoreductases enzymes
   B. Transferases
   C. Hydrolases
   D. Lysases

10. Saccharomyces creavisiae is the example of____________________?

    A. Bacteria
    B. Fungi
    C. Yeast
    D. Molds