Q. Which of the following is photoautotrophic bacteria?
A) Nostoc and Anabaena
B) Clostridium
C) Salmonelia
D) Escherichia coli
Explanation
Nostoc and Anabaena Cyanobacteria have chlorophyll-a, similar to green plants and are photosynthetic autotrophs. Some of these organisms can fix atmospheric nitrogen in toe specialized cells called heterocysts, $e.g.,$ Nostoc and Anabaena
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.