All the elements that are present in a plant, need not be essential to its survival'.

Name the element present in sea-weeds.

Mention the elements present in quick line

What is an essential element ?

The most abundant element present in the plants is

Which of the following statements are true? If false, correct them: (a) Boron deficiency leads to stout axis. (b) Every mineral element that is present in a cell is needed by the cell. (c) Nitrogen as a nutrient element, is highly immobile in the plants. (d) It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.

Trichomes are present on _______ of plant leaf.

Name the elements present in coal and petroleum in addition to carbon.