Microbiology: Common issues in culture

What is the primary cause of contamination in microbial culturing?

• Inadequate nutrient supply

• Faulty incubation conditions

• Poor aseptic technique

• Incorrect pH

What is a common reason for failed microbial growth in a culture?

• Suboptimal environmental conditions

• Depleted culture medium

• Genetic mutations

• Aging colonies

Why might irregular colony morphology occur in a culture?

• Genetic mutations

• Aging culture medium

• Incorrect pH

• Suboptimal temperature

What is the primary remedy for slow microbial growth in a culture?

• Adjusting pH

• Refreshing culture medium

• Subculturing to new media

• Increasing incubation temperature

What could be a consequence of irregular colony morphology in microbial culturing?

• Faster growth rate

• Genetic mutations

• Difficulty in identification

• Improved culture purity

Contamination in microbial culturing is primarily caused by poor ________ technique.

Failed microbial growth may result from depleted ________ medium.

Irregular colony morphology may be attributed to genetic ________.

To remedy slow microbial growth, it is advisable to refresh the culture ________.

Contamination can occur due to the presence of ________ microbes in the air.