Which Technique Would Be Used to Estimate the Concentration of Naturally

question 25

Multiple Choice

Which technique would be used to estimate the concentration of naturally occurring Escherichia coli in a wastewater sample?

• A) agar dilution tube method
• B) laser tweezers method
• C) most probable number (MPN) method
• D) cell tagging using GFP method

---

Definitions:

Charter

A document, especially a legal one, establishing a group or corporation and defining its rights and privileges.

Commercial Expression

The use of speech or other forms of expression in a commercial context, often related to advertising or marketing.

Political Speech

Refers to expressions or communications relating to the governance of a country, political ideologies, or policies, which is often given a high level of protection under freedom of speech laws.

Economic Choices

Economic choices refer to the decisions made by individuals, households, businesses, and governments regarding the allocation of scarce resources to satisfy various needs and wants.