Question

8 multiple choice 0.8 points growth pointed by the arrow in tube d in the accompanying picture refers to: turbid sediment no growth pellicle

Explanation:

• Turbid: Refers to a cloudy appearance throughout the broth.
• Sediment: Growth accumulates at the bottom of the tube.
• No growth: No visible microbial growth in the tube.
• Pellicle: Growth forms a membrane - like layer on the surface of the broth.

In tube D, the growth is at the bottom (as indicated by the arrow), which is characteristic of sediment.

Answer:

Sediment