Give the schematic representation of carbon cycle.

Write schematic representation of Krebs cycle.

Give the diagrammatic representation of carbon cycle in biosphere.

Give a schematic representation of nitrogen cycle of a terrestrial ecosystem? Name any two micro-organisms involved in it?

Give the schematic representation of glycolysis?

Give the schematic representation of an overall view of Krebs’ cycle.

What is menstrual cycle? Draw the schematic representation of menstrual cycle.