Is glyphosate classified as a plant growth regulator herbicide?

• A. True
• B. False

Answer: (B)

Glyphosate is not classified as a plant growth regulator herbicide. Instead, it is a systemic herbicide in the group of chemicals known as non-selective herbicides, which means it kills a wide range of plants by inhibiting a specific enzyme pathway that is necessary for plant growth. Glyphosate works by interfering with the shikimic acid pathway, which is essential for the synthesis of certain amino acids in plants and some microorganisms.

Plant growth regulators, on the other hand, are substances that promote or inhibit specific plant processes such as growth, flowering, or fruiting. They typically function by altering physiological development rather than directly killing plants. Since glyphosate's primary function is to eliminate unwanted vegetation rather than regulate their growth, it falls outside the classification of plant growth regulators, affirming that it is false to state that glyphosate is classified in this way.