A bacterial culture has an initial population of 1×10⁴cells/mL. The population doubles every 30 minutes. What will be the population (in cells/mL) after 2 hours?

TLS Online TPP Program

#Question id: 18386

#XL - S Microbiology

Biomagnification occurs mainly because of the following reasons

I. compounds are taken up from the environment and accumulated in the lipid deposits of body

II. organisms are consumed by other organisms in a non- sequential manner constituting the food chain

Which of the above statements are incorrect?

TLS Online TPP Program

#Question id: 18387

#XL - S Microbiology

Structural features that make these compounds resistant to microbial degradation include

1. substitution of H by other groups

2. heterocyclic compounds

3. branched linear chains

Which of the above are correct?

TLS Online TPP Program

#Question id: 18388

#XL - S Microbiology

Remediation of Xenobiotics are done because they cause various hazards

TLS Online TPP Program

#Question id: 18389

#XL - S Microbiology

How the degradation of alkanes and aromatic hydrocarbons generally occurs.

1. Oxygenase enzyme

2. β-oxidation to yield acetyl CoA

3. Hydrogenation reaction

4. Carboxylation

Which of the following are correct?

TLS Online TPP Program

#Question id: 18390

#XL - S Microbiology

Which bacterium is mainly found at quite high ionizing radiation zones or areas?

TLS Online TPP Program

#Question id: 18391

#XL - S Microbiology

Detoxification of organophosphate pesticides in the environment is performed by