A 100 Ml Sample of Water Is Filtered Through a Sterile

question 31

Multiple Choice

A 100 ml sample of water is filtered through a sterile membrane, and the membrane is transferred to a plate of m-Endo agar.Following overnight incubation at 37°C, 57 green metallic colonies appear.The coliform count is

• A)acceptable for drinking water and recreational use.
• B)acceptable for recreational use but too high for drinking water.
• C)too high for both drinking water and recreational use.

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Definitions:

Fissures

Long, narrow openings or cracks in the Earth’s surface, often formed by the splitting apart of rocks or ground during processes like erosion or earthquakes.

Cones

Natural or man-made structures with a circular base that tapers to a point, commonly found in volcanology as volcanic cones.

Molten Rock

Rock that has been heated to a liquid state, also known as magma when below the Earth's surface and lava when it erupts onto the surface.

Billowing Clouds

Large masses of clouds that appear to be puffing upwards, often described in the context of smoke or volcanic ash clouds.