Assertion (A): Koch’s postulates cannot be applied to viral diseases.
Reason (R): Viruses cannot be grown in artificial culture media.

TLS Online TPP Program

#Question id: 37871

#Plant Biotechnology

Given below are two statements:

Statement I: Open continuous cultures involve the removal of equal volumes of cells and used medium which is replaced by fresh medium.

Statement II: In closed continuous cultures, the cell population remains static (constant) because cells are constantly removed.

In the light of the above statements, choose the most appropriate answer from the options given below:

TLS Online TPP Program

#Question id: 37872

#Plant Biotechnology

Given below are two statements:

Statement I: In a closed continuous culture, cells are separated from the removed medium and returned to the vessel, causing the cell biomass to increase.

Statement II: In an open continuous culture, only the used medium is removed while the cells are retained to maintain submaximal growth.

In the light of the above statements, choose the most appropriate answer from the options given below:

TLS Online TPP Program

#Question id: 37873

#Plant Biotechnology

Open culture systems in plant and microbial cell culture are typically of which types?

TLS Online TPP Program

#Question id: 37874

#Plant Biotechnology

In a turbidostat, the culture is maintained at:

TLS Online TPP Program

#Question id: 37875

#Plant Biotechnology

The main feature of a chemostat is:

TLS Online TPP Program

#Question id: 37876

#Plant Biotechnology

Which type of open culture is ideal for studying the effect of an individual nutrient on cell growth and metabolism?