Vidyalelo
Agriculture · Q4

Plant Pathology

Graduate and Post Graduate · Agriculture · question 4

Q4

Which photosynthetic bacteria possess both PS I and PS II?

A.
Purple sulphur bacteria
B.
Cyanobacteria
Answer
C.
Purple nonsulphur bacteria
D.
Green sulphur bacteria

Answer: Option B

Solution

Answer: Option B
Solution:
Cyanobacteria photosynthetic bacteria possess both PS I and PS II.
Cyanobacteria are photosynthetic microorganisms that are abundant in nature.
There are two types of photosystems in cyanobacteria, algae, and higher plants, called photosystem I (PSI, plastocyanin-ferredoxin oxidoreductase) and photosystem II (PSII, water-plastoquinone oxidoreductase), both of which are multisubunit membrane complexes.