The bryophyta are the first land habiting plants which includes 960 genera and 25,000 species. The plants belonging to Bryophyta are called bryophytes. The word ‘Bryophyta’ is derived from Greek word…
Corrosion is an unwanted, undesirable natural process which involves various chemical reactions resulting in the destruction of metal surface. The metals surface is gradually converted into their stable forms of oxides,…
Phylum Echinodermata consists of spiny skinned animals exclusively found in marine habitat. The word Echinodermata was coined by Jacob Klein which is a Greek word meaning echinos = Spiny and derma…
Mollusca is one of the phylum of kingdom animalia which is characterized by soft body. Lamarck coined the term ‘Mollusca’. It is the second largest phylum after Arthropoda. Malacology is…
Wilting is defined as the rolling, folding or dropping of leaves and young stem due to loss of turgidity. It occurs due to high transpiration and low water absorption rate.…
Guttation mainly occurs in tropical plants during hot and summer days. The droplets are mainly found on surface of leaf or at the apex part of leaf and can be…
In the earlier days, botany was not broadly divided and all sub-disciplines (branches) were studies under same course. As the division of botany started, it became easier for students to…
Photosynthesis is defined as an anabolism process in which carbon dioxide and water is converted into glucose, the demanded organic compound in presence of sunlight and chlorophyll. The most important…
Mass defect and binding energy are related to each other. By finding the value of mass defect we can easily calculate binding energy of nucleus. Mass defect and binding energy…
Radioactivity is the spontaneous disintegration of heavy element without being affected by external means. The intensity of emitted radiation is measured in different available measuring units. The measuring units may…