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ScienceCLASS 9CBSE

answered 27 Mar 2026

Which bacterium causes peptic ulcers? Who discovered the above pathogen for the first time?

A.VERIFIED ANSWERfact-checked by tutors

Soln:

Pneumonia is an example of Bacterial
Many skin diseases are caused by
Antibiotics commonly block biochemical pathways important for the growth of Bacteria.
Living organisms carrying the infecting agents from one person to another are called Vectors.

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