Answer:
B) that is free of microbes.
Explanation:
An axenic environment -
It is the state of culture , where only a single type of organism , species or strain exist , without any contamination for any other species , is referred to as an axenic environment .
It is a important tool, which is required to study the parasitic organisms in any restricted environment .
Hence, from the question,
The correct option regarding axenic environment is B) that is free of microbes.
