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Herbicide that blocks electron transport...

Herbicide that blocks electron transport from PS-II to PS-I by inhibiting electron flow between plastoquinone `to` cytochrome is

A

DCMU

B

Paraquat

C

DCPIP

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
DCMU is selective herbicide that acts as potent inhibitor of PS-II. Paraquat inhibits PS-I by producing super oxides.
DCPIP is a dye used to measure rate of photosynthesis.
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Knowledge Check

  • Electron acceptor of PS II is

    A
    Cyt b
    B
    FRS
    C
    PQ
    D
    `NADP^(+)`

  • Last electron acceptor of PS I is.

    A
    Ferredoxium
    B
    Cyt `b_(6)`
    C
    Plastocyanin
    D
    Plastoquinone

  • Electron donor to PS I is

    A
    Ferredoxin
    B
    `FeS` centre
    C
    Plastoquinone
    D
    Plastocyanin.

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