Calculate the No. of cells in population (N_t), given the:

Original No. of cells in population ( N_o ) = 10

No. of cell division (n) = 15

Arrange the phases of bacterial growth CORRECTLY:

I - Death phase

II - Stationary phase

III - Log phase

IV - Lag phase

" Cells are growing fast limited only by growth conditions & genetic potential "

The statement above best describe what stage in bacterial growth curve?

Most human pathogen prefer temperature near that of the human body.

They are called:

Microorganism that only live and grow without oxygen is termed as?

Which of the following organisms requires chocolate agar to grow?

Which of the following media is used to differentiate lactose and non-lactose fermenter?

Which organisms can survive in the presence or absence of oxygen?

I - Escherichia coli

II - Staphylococcus aureus

III - Salmonella spp.

IV - Mycobacteria spp.

Which best describe the following statements?

- Semi solid

- inhibit growth of some organism but allow other to grow

- Example: Mannitol Salt Agar & Eosin Methylene Blue Agar

Green metallic sheen colony as shown in the picture, is the selective characteristics for which organism?

The picture best describe the example of which type of culture media?

Phototrophs obtain their energy from light?

Which BEST describe the statements below:

- Autoclave at 121 ^oC for 15 mins

- Sterile Filtration

- To avoid bacterial contamination

Which are the tools utilized in techniques used to culture media (Streaking; Swab/ Spreading; Stabbing; Sterilization)?

I - Inoculating loop

II - Inoculating needle

III - Cell spreader

IV - Micro incinerator