Draw oxygen, water and nitrogen cycles.

Among sulphur, phosphorus, carbon and nitrogen cycles sedimentary cycles are

Select the pairs of sedimentary biogeochemical cycles. I) Hydrogen cycle and water cycle II) Phosphorus cycle and sulphur cycle III) Calcium cycle and magnesium cycle IV) Carbon cycle and nitrogen cycle

___________ contain carbon , oxygen and nitrogen.

Oxygenated water is

Pigments which contain oxygen and nitrogen are (A) Phycobilins (B) Carotenes (C) Xanthophylls (D) Chlorophylls

In a gaseous mixture of oxygen and nitrogen at equilibrium,

Plants lose water and contribute to water cycle by –

Describe the oxygen cycle.

Describe interdependence of biotic and abiotic components by taking Nitrogen cycle as an example.Draw Nitrogen Cycle. (AS 5)