Multiple choice

The organisms which obtain energy by the oxidation of reduced inorganic compounds are called

  1. lithoautotrophs

  2. photoorganoheterotrophs

  3. organotrophs

  4. chemoautotrophs

  5. mycotrophs

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chemoautotrophs are organisms that are capable of manufacturing their organic food utilising chemical energy released in the oxidation of some inorganic substances. The process of manufacture of food in such organisms is called chemosynthesis. It includes some acrobic bacteria.