Sulfur Cycle
Sulfur is an essential nutrient for plant as well as animal. It is one of the constituent of many proteins and co-factors. The major reserve...
Differences between plant and animal cells
S.N Plant cell Animal cell 1. It is surrounded by a distinct cell wall made up of cellulose. It is surrounded by cell membrane or...
Modes of nutrition
Organisms obtain their food materials in different ways which are of two types generally. They are: A) Autotrophic nutrition B)...