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Growth and Nutrition of Bacteria - Medical Science

Q1:

An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

A osmotolerant

B acidophile

C neutrophile

D aerotolerant anaerobe

ANS:B - acidophile

The level of alkalinity and acidity is determined by Number of Hydrogen or Hydroxide Concentrations. Thus, The increase of Hydrogen concentration leads to Increase the Acidity.