Answer:
Ов. H,0
Explanation:
Hydrogen is present in our body about 9.5 percent while oxygen is present in large amount about 65 percent of the total human body. Oxygen mostly present with hydrogen in the form of water. About 70 percent of our body is composed of water. Water is present in every cell. Some oxygen is also present in gaseous form in the cell. This oxygen comes in the body through breathing.
according to the question, the observed microorganism have the following characteristics:
1. rod shaped.
2. linked in a chain.
3. stains purple.
The rod shaped bacteria are referred as the bacilli. The bacteria, which are found linked in a chain are given a prefix strepto. The bacteria, which stain purple with the gram stains are called gram positive bacteria.
Hence, from the information, the possible microbe is gram positive Streptobacillus.