Question

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

(a) photoautotrophs

(b) chemoautotrophs

(c) saprozoic

(d) coproheterotrophs.

Answer 1

Option C is correct

Saprozoic - Organisms which feed on the dead and decaying matter or Organisms which absorb the dissolved organic and inorganic matter. Eg: Fungi

Photoautotrophs - Organisms which carryout photosynthesis or Organisms which produce organic materials by utilising energy from sunlight, carbon dioxide and water. Eg: Plants

Photoautotrophs use light energy

Chemoautotrophs - Organisms which use inroganic energy sources (such as Hydrogen sulfide, ferrous iron, molecular hydrogen, ammonia) to sysnthesis organic compounds from carbon dioxide.

Chemoautotrophs use chemical energy. Eg: Nitrosomonas, Iron bacteria, Methanogens