Which of the following photosynthetic bacteria have both PS-I and PS-I – McqOptions

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1.	Which of the following photosynthetic bacteria have both PS-I and PS-II [CPMT 1990]
A.	Green sulphur bacteria
B.	Purple sulphur bacteria
C.	Cyanobacteria
D.	Purple non-sulphur bacteria
Answer» D. Purple non-sulphur bacteria

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