How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia.

• A

  Four
• B

  Five
• Correct answer
  C

  Six
• D

  Three

Solution

Autotrophs are organisms which are capable of synthesizing their food themselves from organic and inorganic substances.

Hence, the correct answer is option: 'C'.