Multiple choice

Which of the following pairs is not correct?

  1. Atrazine : Photosynthetic inhibitors at photosystem II site B

  2. Glyphosate : Inhibitor of EPSP synthesis

  3. Paraquat : Cell membrane disruptor

  4. Metolachlor : Inhibitor of cell growth and division

  5. Trifluralin : Microtubule assembly inhibitor
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Photosynthetic inhibitors at photosystem II site A type herbicides are chemicals that disrupt photosynthesis, so carbohydrates cannot be produced and the plant dies. These chemicals have activity when applied to leaf tissue, but they are typically used as pre-emergent applications as they are taken up by the roots of newly emerging weeds. For example, Atrazine, Hexazinone, Terbacil, Simazine.

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