Are chemosynthetic bacteria-autotrophic or heterotrophic?

Which group of living organisms show most of the modes of nutrition like chemosynthetic,photosynthetic, heterotrophic?

Chemosynthetic bacteria obtain energy from.

Read the statements (A) Chemosynthetic autotrophs like hydrogen bacteria oxidize molecular hydrogen to water are called as organotrophs (B) Chemosynthetic bacteria do not have photosynthetic pigments (C) Chemosynthetic autotrophs like iron bacteria oxidize ferrous to ferric are called as lithotrophs

What are autotrophs ?

Which organism is greater in number autotrophs or heterotrophs?

The examples of photosynthetic bacteria are

Methanogenic bacteria are not found in

Methonogenic bacteria act on the organic acids to produce…….. .

True or False. Algae are autotrophic.

Most autotrophs store energy in the form of