Avatar for Sourav Pan

Sourav Pan

Founder of Biology Notes Online, Biology & Microbiology Educator, M.Sc. in Microbiology
Expertise
Microbiology, Immunology, Cell Biology, Molecular Biology, Genetics, Biotechnology, Biochemistry, Botany, Zoology
Education
University of Calcutta
Profile Last Updated: August 10, 2026

Sourav Pan is the founder and sole author of Biology Notes Online. He holds a Bachelor of Science (B.Sc.) degree and an M.Sc. in Microbiology from the University of Calcutta. He creates educational resources covering microbiology, immunology, biotechnology, genetics, cell biology, botany, zoology, and other life-science subjects.

His goal is to make complex biological concepts easier to understand through well-structured, student-friendly articles based on academic textbooks, peer-reviewed research, and authoritative scientific sources. In addition to writing new content, he regularly reviews and updates articles to improve their accuracy, clarity, and educational value.

Bovine Spongiform Encephalopathy (BSE)- Mad Cow Disease

Bovine Spongiform Encephalopathy (BSE)- Mad Cow Disease

What is Bovine spongiform encephalopathy? Sources and causes of contamination of Bovine Spongiform Encephalopathy (BSE) Pathogenic mechanism of Bovine Spongiform Encephalopathy (BSE) Signs and symptoms of Bovine Spongiform Encephalopathy (BSE) Epidemiology of Bovine Spongiform Encephalopathy (BSE) Diagnosis of Bovine Spongiform Encephalopathy (BSE) Treatment and Vaccination Prevention and control measures of Bovine Spongiform Encephalopathy (BSE) Prevention … Read more

Sporozoa – Definition, Examples, Classification and Characteristics

Sporozoa - Definition, Examples, Classification and Characteristics

What is Sporozoa? Short Definition of Sporozoa Sporozoa are unicellular, parasitic organisms that undergo complex life cycles involving two hosts and alternating between sexual and asexual stages. Classification of Sporozoa  Characteristics of Sporozoa Motility of Sporozoa Feeding of Sporozoa Types of Spores Sporozoans, a group of parasitic protozoa, can be classified into four categories based … Read more

Zooplankton – Definition, Characteristics, Types, Importance

Zooplankton - Definition, Characteristics, Types, Importance

What is Zooplankton? What exactly are Zooplanktons? Zooplankton, a subset of the broader planktonic community, are heterotrophic organisms that inhabit both freshwater and marine environments. The term “plankton” encompasses a diverse array of organisms that float or drift within aquatic realms. Among these, zooplankton are distinguished by their heterotrophic nature, signifying their reliance on external … Read more

Fascioliasis: Causes, Life Cycle, Symptoms, Diagnosis, Treatment and Prevention

Fascioliasis: Causative agent, Life cycle, Symptoms, Treatment.

Fascioliasis is an infectious disease caused by Fasciola parasites, which are flatworms referred to as liver flukes. The adult (mature) flukes are found in the bile ducts and liver of infected people and animals, such as sheep and cattle. In general, fascioliasis is more common in livestock and other animals than in people.

Gastrointestinal Amebiasis by Entamoeba histolytica

Amebiasis by by Entamoeba histolytica

What is Gastrointestinal Amebiasis? Characteristics of Entamoeba histolytica Entamoeba histolytica is a pseudopod-forming anaerobic protozoan parasite that is responsible for causing amebiasis in humans. Here are some key characteristics of Entamoeba histolytica: Life Cycle of E. histolytica Gene Structure and Organization  Cell Biology and Biochemistry  Sources of contamination of Amebiasis Amebiasis can be sourced from … Read more

Amoeba Cell – Labeled Structure, Characteristics, Movement, Nutrition, Reproduction, Disease, Habitat.

Amoeba Cell

In this article, we will learn about the Habitat, structure, nutrition, characteristics, reproduction, locomotion of the Amoeba cell with diagram. Domain Eukaryota Phylum Amoebozoa Class Tubulinea Order Euamoebida Family Amoebidae Genus Amoeba Amoeba cell also known as the ameba or amoeboid. Amoeba is a unicellular eukaryotic organism which can alter their shape by extending and … Read more

Paramecium Cell Definition, Characteristics, Classification, Movement, Diagram.

Paramecium Cell Definition, Characteristics, Classification, Movement, Diagram.

What is Paramecium? Definition of Paramecium Paramecium is a microscopic, single-celled organism with hair-like structures called cilia, found in various aquatic environments, often studied for its role as a model organism in biological research. Paramecium Scientific classification Paramecium is divided into this following phylum and subphylum; Domain: Eukaryota Clade: SAR Infrakingdom: Alveolata Phylum: Ciliophora Class: … Read more