Which one of the following scientist defined the criteria of essentiality of nutrients in plants?

Which of the following element is non-essential but useful for plants?

ATMA (agriculture technology management agency ) is operational at

Single seed descent method is a modification of:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Which one of the following is determined by Tetrazolium test?

Which pest's larvae, affecting Sorghum crops, cut the growing points and lead to dead-hearts in the plant?

Among the following, Parmigiano Reggiano is ……………..

Plant hormone of nucleotide origin

Which of the following does not influence the soil structure: