Question

Which of the following is NOT a criterion for the choice of an organism?

(a) The organism must be genetically stable

(b) The organism must be able to produce a high yield of product

(c) The optimum temperature for the growth of an organism must be above 50°C

(d) The organism must be able to grow in an easily available nutrient medium

The question was asked during an interview.

This intriguing question originated from Isolation and Screening of Industrially Important Microbes in chapter The Isolation, Preservation and Improvement of Industrial Microorganisms of Fermentation Technology

Answer 1

Correct option is (c) The optimum temperature for the growth of an organism must be above 50°C

The explanation: The optimum temperature for the growth of an organism should be above 40°C. This reduces the cooling costs in large scale fermenters. The microorganisms are chosen based on the rest three criteria.