Given below are two statements:
Statement (I): Three types of adjuvants used with herbicides are activator, spray modifier and utility.
Statement (II): Activator adjuvants are a part of the formulation.
In light of the above statements, choose the most appropriate answer from the options given below.

Question

Which of the following statements is false?

Answer 1

This question checks how many categories of herbicide adjuvants actually exist, and whether activator adjuvants come built into the herbicide formulation or not.

Statement I: It claims there are three types of adjuvants, activator, spray modifier, and utility. In standard weed science teaching, adjuvants split into only two groups, activator adjuvants and special purpose adjuvants, which are also called utility modifiers or spray modifiers. Since spray modifier and utility describe the same single group and not two separate ones, calling this a three way split is incorrect, so Statement I is false.
Statement II: It claims activator adjuvants are part of the herbicide formulation. In practice, activator adjuvants like surfactants, crop oils, and nitrogen fertilizer solutions are added into the spray tank separately by the applicator rather than being mixed in at the factory as part of the product formulation, so this statement is also false.

Since neither statement matches the accepted adjuvant classification, the correct choice is option 2, both Statement I and Statement II are incorrect.

Let's summarize:

Adjuvants are usually grouped into two categories, activator adjuvants and special purpose or utility adjuvants, not three.
Activator adjuvants are tank mix additions, not built into the commercial formulation.

So the final answer is that both statements are incorrect.

Answer 2

This question checks how many categories of herbicide adjuvants actually exist, and whether activator adjuvants come built into the herbicide formulation or not.

Statement I: It claims there are three types of adjuvants, activator, spray modifier, and utility. In standard weed science teaching, adjuvants split into only two groups, activator adjuvants and special purpose adjuvants, which are also called utility modifiers or spray modifiers. Since spray modifier and utility describe the same single group and not two separate ones, calling this a three way split is incorrect, so Statement I is false.
Statement II: It claims activator adjuvants are part of the herbicide formulation. In practice, activator adjuvants like surfactants, crop oils, and nitrogen fertilizer solutions are added into the spray tank separately by the applicator rather than being mixed in at the factory as part of the product formulation, so this statement is also false.

Since neither statement matches the accepted adjuvant classification, the correct choice is option 2, both Statement I and Statement II are incorrect.

Let's summarize:

Adjuvants are usually grouped into two categories, activator adjuvants and special purpose or utility adjuvants, not three.
Activator adjuvants are tank mix additions, not built into the commercial formulation.

So the final answer is that both statements are incorrect.

Show Hint

The Correct Option is B

Solution and Explanation

Questions Asked in ICAR AIEEA (PG) exam