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

Related Mcqs:

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

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

2. Which type of bacteria grow best at refrigeration temperature 10°C_______________________?

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

3. 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

4. Optimum temperature, minimum temperature and maximum temperature are collectively called_________________?

   A. Absolute temperature
   B. Cardinal temperature
   C. Various temperature
   D. All the above

5. Most food poisoning organisms prefer to grow in the pH range of___________________?

   A. 4-5
   B. 4-5
   C. 5
   D. Above 5

6. A mutant organism (bacterium) that will not grow on a minimal medium does so on the addition of some grown factor is known as __________________?

   A. Autotrophy
   B. Auxotroph
   C. Axenema
   D. Heterotroph

7. Small new plants which grow out from the parent and can be separated as independent plant is called_____________________?

   A. Suckers
   B. Offset
   C. Division
   D. Seeding

8. Erosion permitting and erosion resisting crops grow alternatively at right angle to the slope of the land is called as:_________?

   A. Linear planting
   B. Strip planting
   C. Cover planting
   D. All of the above

   Submitted by: Shafiq Rehman

9. Maize can grow very well in the soils pH ranging from:__________?

   A. 3.5-4.5
   B. 6-8.5
   C. 5.5-7.5
   D. None of these

   Submitted by: Shafiq Rehman

10. Plants which grow on sandy soils:_________?

    A. Chasmophytes
    B. Lithophytes
    C. Psammophytes
    D. None of these

    Submitted by: Shafiq Rehman