Mineral Nutriti...

Necrosis mainly occurs by the deficiency of  

Which essential element is found in haemoglobin, porphyrins and cytochromes?

The ability of coralloid roots to fix atmospheric nitrogen is due to the presence of

Azolla pinata has been found to be an important biofertiliser for paddy crops. This quality is due to the presence of :

The deficiency of which of the following micronutrients causes the death of the stem and root apices?

Deficiency symptoms of an element tend to appear first in young leaves. It indicates that the element is relatively immobile. Which one of the following elemental deficiency would show such symptoms?

You observed that a plant's younger leaves, not the older ones, are yellowing. You recall that the cause of plant sickness can be diagnosed by which leaves are yellowing.
What is the most likely cause of your plant's blight?

Which of the following is a primary nutrients?

In plants, iron is absorbed in the form of ..........

If, by radiation, all nitrogenase enzyme are inactiveted, then there will be no