Question

Photosynthetic bacteria have

• A. pigment system I
• B. pigment system II
• C. Both (a) and (c)
• D. some other kind of pigments, $B_{890}$

Answer 1

Answer: (D)

some other kind of pigments, $B_{890}$

Answer 2

Pigment system $I$ of higher plants has main reaction centre $P_{700}$ and pigment system II $P _{680}$. But, bacterial pigment system is sensitive to far red dight $P _{890}$.