PhD Nest

Cockroach: Morphology and Anatomy of Cockroach

Cockroach: Morphology and Anatomy of Cockroach

Cockroaches belong to the order Blattodea, the family of Blattidae and the Genus Periplaneta. There are around 4000 different species of cockroach around the world. However, only a few of them can be found in the Indian subcontinent.  Some of the common species include – German cockroach (Blatella Germanica), American cockroach (Periplaneta Americana), oriental cockroach … Read more

Catalase test: Principle, Procedure, Results, Precautions, Limitations Uses

Catalase test: Principle, Procedure, Results, Precautions, Limitations Uses

What is Catalase Test? Catalase is an enzyme, which is produced by microorganisms that live in oxygenated environments to neutralize toxic forms of oxygen metabolites; H2O2. The catalase enzyme neutralizes the bactericidal effects of hydrogen peroxide and protects them. Anaerobes generally lack the catalase enzyme. This test demonstrate the presence of catalase, an enzyme that … Read more

Anatomy of Flowering Plants: Introduction, Plant Tissues, Tissue System, Dicot and Monocot

Anatomy of Flowering Plants

Anatomy of Flowering Plants Anatomy of Flowering Plants: Plant anatomy or phytotomy is the general term for the study of the internal structure of plants. Originally it included plant morphology, the description of the physical form and external structure of plants, but since the mid-20th century plant anatomy has been considered a separate field referring … Read more