Atrazine is an herbicide that is commonly used to control weeds in corn, sorghum, and sugarcane fields. Atrazine Atrazine binds at the Q B QB site of the D2 subunit, blocking electron flow from Q A QA to Q B QB , competing with Q B QB for the binding site on D2. Identify the statements inferred from this information.
a. Atrazine inhibits the splitting of water.
b. Atrazine directly interferes with photosystem I function.
c. Atrazine can interfere with the formation or availability of ATP ATP .
d. Atrazine prevents the reduction of pheophytin.
e. Atrazine directly interferes with photosystem II function.

Atrazine is an herbicide that kills the weeds and plants with large sized leaves. This chemical acts as a herbicide because it interferes with the photosystem II in the photosynthesis process in the plants.

The chemical binds the Plastoquinone-B in the photosystem II which absorbs the light of 680 nm and excites the electron.

The excited electron is transferred to the Qa but since the atrazine is attached or bounded to the Qb therefore the Qa cannot transfer the electron to the Qb and the flow of electron is inhibited. As a result of this, the electron transport chain s inhibited which prevents the production of ATP and thus the plants die.

Thus, Option-C is correct.