Microbiology MCQ Test : SEM III

In Diauxic growth which growth phase occurs?

• Stationary phase

• Log phase

• Lag phase

• b & c

During growth of bacteria which developments are seen?

• Cell elongation

• Formation of cell wall

• Separation of daughter cells

• All of the above

Which point is right for Binary fission in bacteria.

• Separating cell into two cells

• DNA get duplicate

• both a & B

• None of the above

The time required for cell to divide or double is called.

• Generation time

• Growth rate

• Growth time

• All above

Breed’s method is applied for ……………………..measurement of growth.

• Quantitative

• Qualitative

• Both a & b

• None of the above

What are the different

phases of growth curve in sequential order?

• Lag, log, stationary, decline

• Log, lag, stationary, decline

• Decline, log, lag, stationary

• Stationary, decline, log, lag

Formula for generation time is, t – time per generation and n – number of generations, G – generation time

• G=t/n

• G=n/t

• G=n*t

• None of the above

The nature of an enzyme is

• Lipid

• Protein

• Carbohydrate

• Vitamin

…………………are

............ organic non protein molecule that bind with apoenzyme to form active site

• Coenzyme

• Holoenzyme

• Isoenzyme

• None of the above

Protein part of Holoenzyme is ………

• Apoenzyme

• Coenzyme

• Isoenzyme

• None of the above