Bacteriology(2)

with reference to the graph, during which phase are bacteria cells growing exponentially?

• log

• lag

• stationary

• dead

during which phase is the rate of death of bacteria cells greater than the rate of formation of new bacteria cells?

• log

• lag

• stationary

• dead

streptococcus pyogenes is most likely a …………………..

• bacilli
• cocci
• vibri
• virus

one bacteria cell becomes numerous bacteria cells after some hours. What process is most likely responsible for this?

• binary fission
• binary fusion
• meiosis
• cell multiplication

which of the following is not regarded as a waste product from bacteria

• ammonia
• carbon dioxide
• nitrogen
• water

what is responsible for the increase in SIZE of one bacteria cell?

• binary fission
• protein synthesis
• photosynthesis
• chemotaxis

which of the following catergories of bacteria is not likely to carry out chemotaxis?

• atrichous bacteria
• monotrichous bacteria
• lophotrichous bacteria
• petrichous bacteria

which of the following is likely to have the largest amount of flagella

• atrichous bacteria
• monotrichous bacteria
• lophotrichous bacteria
• petrichous bacteria

which of the following involves the formation of tube that connects two bacteria cells to one another?

• binary fission
• binary fusion
• conjugation
• transformation

staphylococus and streptococcus are similar in what ways?

• they are both composed of numerous spherical bacterial cels
• they are both composed of single bacteria cells
• they are both gram negative
• they are both extremophiles