MCQ
Photosystem-I contains
  • A
    Chl $a$, Chl $b$, carotenoid and $P_{680}$
  • B
    Chl $a$, Chl $b$ and $P_{690}$
  • Chl $a$, Chl $b$ and $P_{700}$
  • D
    Chl $a$, xanthophyll and $P_{700}$

Answer

Correct option: C.
Chl $a$, Chl $b$ and $P_{700}$
c
(c) The important pigments of this system are chlorophyll $a\, 670$, chlorophyll $a \,683$, chlorophyll $a \,695$, $P_{700}$. Some physiologist also include carotenes and chlorophyll $b$ in pigment system $I$. $P_{700}$ act as the reaction centre.

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