Test for Different Nutrients

Why do we select crops with different nutrient requirements for intercropping? Give two reasons.

A student added a piece of zinc metal each to four different test tubes containing different solutions as given below. The test tube in which no reaction was observed, contains

On addition of AgNO_(3) to four different test tubes containing different solution, one of them gave a white precipitate . It may be

Which connective tissue transports gases, nutrients, and wastes to different body parts?

[A] : Endomycorrhiza of forest trees contribute to the efficient nutrient cycling in tropical test ecosystems . [R] : The fungi that form endomycorrhizal association with plants store nutrient ions and make them available to the host plants .

The amount of living material and nutrients present in different trophic levels and soils at any given time are called, respectively.

A student was studying reactions of metals with dilute NaOH at room temperature. The student took dilute NaOH in four different test tubes and added copper powder to test tube A, zinc dust to test tube B, aluminium powder to test tube C and iron powder to test tube D and observed effervesce in ________.