Physiological Roles and Deficiency Symptoms Of Macroelements 1. Nitrogen Physiological role. Approximate amount of nitrogen present in the whole plant is 1-3%. It is present in almost all the living […]
TRANSPORT OF MINERALS(Translocation of Solutes) The absorbed mineral elements move laterally from the epiblema to xylem through the cortex, endodermis, and pericycle. Finally, they are transported upwards through xylem along […]
Chemosynthesis ;-Generally, green plants make use of light energy in the synthesis of organic substances in photosynthesis. But there are some aerobic bacteria (e.g., chemoautotrophic cells) which do not require […]
ASCENT OF SAP to The sap (i.e., water with dissolved minerals) is absorbed mainly by roots and is moved upward to all the parts of plants via stem. The upward […]
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