Mineral Nutrition Questions

Deficiency symptoms of nitrogen and potassium are visible first in

In which of the following, all three are macronutrients?

In which of the following forms is iron absorbed by plants ?

The first stable product of fixation of atmospheric nitrogen in leguminous plants is :

For its action, nitrogenase requires

Which one of the following elements in plants is remobilised ?

An element playing import role in nitrogen fixation is

Which one of the following is not a micronutrient ?

Minerals absorbed by roots move to the leaf through

Phosphorus and nitrogen ions generally get depleted in soil because they usually occur as

Amino acids are mostly synthesized from

Mycorrhiza is a symbiotic relationship between roots of higher plants and

Which of the following can fix atmospheric nitrogen ?

The association between blue- green algae and fungi occurs in

Which one of the following is not an esential element for plants ?

Which one of the following is a micronrtient for plants ?

Which of the following is a free living aerobic non-photosynthetic nitrogen-fixer?

The core metal of chlorophyll is

Which of the following is not caused byu deficiency of mineral nutrition ?

Bidirectional translocation of minerals takes place in