Multiple choice

DCMU is a herbicide, which can kill plants by_________________.

  1. inhibiting photolysis of water as it inhibits PS1

  2. inhibiting photosynthesis as it inhibits PS2

  3. inhibiting photosynthesis as it inhibits PS1

  4. checking respiration as it produces inhibitory effect on dehydrogenase
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DCMU  3-(4-chlorophenyl-1,1-dimethylurea} inhibits PS2 phase of phtosynthesis.

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