What are the 25 major branches of biology?

Biology is viewed as quite possibly the most intricate discipline to study on the grounds that its field is partitioned into independent branches for the comfort of study, however, every one of the developments shares essential standards. The branches of biology are huge and envelop pretty much every idea of a wide scope of sub-fields. In this guide, you will learn about the 25 major branches of biology and their definition.

What are the 25 major branches of biology?

The 25 major branches of biology are the following:

  • Anatomy
  • Biochemistry
  • Biophysics
  • Biotechnology
  • Botany
  • Cell Biology
  • Ecology
  • Evolution
  • Genetics
  • Immunology
  • Marine Biology
  • Microbiology
  • Molecular Biology
  • Mycology
  • Parasitology
  • Photobiology
  • Phycology
  • Physiology
  • Plant Physiology
  • Radiobiology
  • Structural Biology
  • Taxonomy
  • Theoretical Biology
  • Virology
  • Zoology

What is Biology?

Biology is one of the fundamental parts of science along with physics and chemistry. It is viewed as an inherent science since it manages the investigation of life and its event, order, biology, monetary significance, outer structure, association, inner design, nourishment, wellbeing and other body capacities, proliferation, life history, legacy, and beginning. 

Biology came from the Greek word “bio” meaning life and “logos” meaning study. Biology mainly focuses on the study of organisms; a living entity made up of unicell (eukaryotic) e.g. bacteria, or multicellular (prokaryotic) e.g. animals, plants, and fungi. 

Parts of this natural science range from the investigation of sub-atomic instruments in cells, to the order and conduct of organic entities, how species advance, and the connection between environments.

Biology is significant on the grounds that it assists us with understanding how living things work and how they work and connect on different levels. Propels in this field have assisted researchers with improving prescriptions and medicines for illnesses, comprehending what a changing climate could mean for plants and creatures, producing sufficient nourishment for a developing human populace, and anticipating how eating new food or adhering to an activity routine could influence our bodies.

What can we learn from Anatomy?

Anatomy is one of the major branches of biology that permits a person to learn and comprehend the design and the pieces of organisms including plants, animals, humans, and abiotic components on earth. 

Additionally, it explores how a living body adjusts and keeps up with offset with the actual climate and human wellbeing. It is the investigation of inward construction that can be seen with the naked eye after analysis.

Who is suited for Biochemistry?

Biochemistry or organic chemistry is the convergence of chemistry and biology that concentrates on the different compound and physicochemical cycles that happen inside the living body. 

This subject is the most ideal for people who are intending to work in clinical and pharmacological fields. It manages the investigation of synthetic responses according to life exercises.

What is Biophysics used for?

Biophysics manages the use of the laws of physical science to natural events or peculiarities. Biophysics has been critical to understanding how the natural processes are explained through molecular lenses and how these constitute to better understanding of our biology. Biophysics makes physics important in predicting the interaction and behavior of our natural system.

What is the main purpose of Biotechnology?

Biotechnology alludes to the double-dealing of natural cycles like microorganism hereditary control for the creation of chemicals, antibodies, and mechanically important items. 

Biotechnology uses living cells and cell materials to make medicine, symptomatic, farming, ecological, and different items to help society. It is likewise used to study and adjust hereditary data in creatures so human illnesses can be demonstrated and considered.

What is the importance of Botany?

Botany or herbal science is one more significant part of science to experimentally concentrate on plants, their construction, histology, physiology, hereditary qualities, and nature. In addition, this branch covers the monetary significance of different biological systems and the effect of plants on the climate. 

Botany is the way to the improvement of biofuels, for example, biomass and methane gas which are utilized as options in contrast to non-renewable energy sources.

Why is Cell Biology so important?

Cell Biology discusses the construction and capacity of the cell and the review rotates around the essential idea of science that the cell is the central unit of life. By understanding how cell organisms, plants, and clinical science will actually want to foster new immunizations, more compelling drugs, plants with further developed characteristics, and through expanded information a superior comprehension of how all organisms strive.

What are the 5 levels of Ecology?

Ecology manages the investigation of the association of living organic entities, for example, plants, creatures including people, and microbial populaces with each other and their actual climate. 

Inside the discipline of ecology, analysts work at five wide levels, once in a while discretely and some of the time with cross-over: organism, populace, community, ecosystem, and biosphere.

What is Evolution and why is it important?

Evolution is the investigation of heritable changes and enhancement in various types of life forms over different ages. They have prompted significant enhancements in expectations for everyday comforts, public government assistance, well-being, and security. 

They have changed how we view the universe and our opinion of ourselves according to our general surroundings. Evolution is one of the main thoughts of present-day science.

What is Genetics?

Genetics is portrayed as the investigation of qualities, hereditary varieties, and standards of heredity in living life forms. You will likewise be acquainted with the idea of sub-atomic hereditary qualities and hereditary planning that are significant with regard to the parts of Biology.

What is the purpose of Immunology?

Immunology is an assorted and developing discipline that can be characterized as the investigation of the tissues, cells, and atoms associated with safeguard components. 

People learn about immunology systems like better places for tissue transplantation and malignant growths. Additionally, immunology deals with investigating the reasons for autoimmunity reactions. It is one of the branches of biology and medicine focused on immunity. 

Immunologists endeavor to comprehend how the insusceptible framework creates, how the body protects itself against illness, and what happens when everything turns out badly.

What makes Marine Biology important?

Marine Biology includes the logical investigation of the way of behaving and collaborations of living things and marine animals with the seas, oceans, and different types of marine climates. 

As the developing worldwide populace focuses on the capacity of our general public to create food, water, and haven, we will keep on shifting focus over to the seas to assist with supporting our essential requirements. 

It will depend on this and people in the future to expand upon our current information on the sea and aiding address the issues of the world and its inhabitants’ potential. Propels in innovation, joined with a request, will work on our capacity to infer food, drinking water, energy sources, garbage removal, and transportation from the sea.

What is the study of Microbiology?

Microbiology is the investigation of the science, life, and activities of microscopic organisms like viruses, bacteria, algae, fungi, slime molds, and protozoa. 

The techniques used to study and control these moments and generally unicellular organic entities vary from those utilized in most other natural examinations. Through Microbiology courses you will get to grasp their anabolism and catabolism and development in a definite manner.

What is Molecular Biology used for?

Molecular Biology is the field of biology that focuses on the design of proteins and nucleic acids and their capacities. Molecular Biology also assumes a basic part in the comprehension of designs, capacities, and interior controls inside individual cells, which can all be utilized to productively target new medications, analyze infection, and better figure out cell physiology.

Why is Mycology important?

Mycology is important because it is the logical review and examination of fungi. Fungi are any group of spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools that can’t make their own food and assume a significant part in supplement cycling in a biological system. 

They are the essential decomposers of natural materials in numerous environments and thus have a pivotal impact on reusing supplements and the worldwide carbon cycle. Fungi separate poisons and the most solid natural materials and have a scope of purposes like in medication and food creation.

What is the importance of Parasitology?

Parasitology is one of the parts of Biology and Medicine that attempts to comprehend parasitic organic entities that live and benefit from the host. Parasitology is significant on the grounds that it’s assessed that in some measure half of all realized species are parasitic.

So understanding the existence cycle and association of these creatures with their hosts is many times key to understanding the elements of environments for the most part.

What is the focus of Photobiology?

Photobiology is the logical investigation of the associations of living creatures with light including noticeable, infrared, and bright radiation. Photobiologists not just review the manner in which organic entities respond to light, yet utilize light to figure out additional about the properties of living tissue or natural particles. Light can be utilized in different treatments and medicines for infection and is utilized generally in disinfection and imaging enterprises.

What is the study of Phycology?

Phycology is the scientific study of a diverse group of primarily aquatic living beings known as algae. These organisms have the ability to perform photosynthesis and range in size from microscopic forms to species as large as shrubs or trees.

Why is it important to study Physiology?

Physiology is one of the less popular disciplines of Biology that concentrates on the ordinary elements of different parts of living organic entities. It is important to study this discipline because it helps us understand our biology and how to better keep our well-being. 

What is the scope of Plant Physiology?

Plant Physiology is the branch of Botany that primarily focuses on the physiology and working of plants. The field of plant physiology incorporates the investigation of all synthetic and actual cycles of plants, from the atomic level cooperation of photosynthesis and the dispersion of water, minerals, and supplements inside the plant, to the bigger scope cycles of plant development, lethargy, and propagation. Plant physiology has extensive scope in the field of agriculture. Knowing the elements of a living creature or any of its parts is vital.

What is the purpose of Radiobiology?

Radiobiology includes the investigation of the activity of ionizing radiation on living creatures and their well-being impacts. A significant objective of radiobiology is to accomplish particular radiosensitization of malignant growth cells by tweaking the atomic reaction to radiation injury. Ataxia-telangiectasia transformed and ataxia telangiectasia and Rad3 related are key proteins in the DNA harm reaction pathways.

Why is Structural Biology important?

Structural Biology is the part of biochemistry, biophysics, and microbial science that permits people to concentrate on the atomic design of organic macromolecules. Interpreting the impacts of changes to the design of these natural macromolecules explains their capacity and the part they play in infections.

What is the importance of Taxonomy?

It is perhaps the main discipline of Biology that focuses on sorting and naming various creatures in light of their attributes. For what reason is scientific categorization so significant? 

Indeed, it assists us with arranging living beings so we can all the more effectively convey natural data. Scientific categorization involves the portrayal, naming, and arrangement of living things.

What is Theoretical Biology?

Theoretical Biology or Mathematical Biology is an interdisciplinary field of logical examination with applications in medication, science, and biotechnology and is a worthwhile choice while thinking about the parts of Biology. Theoretical techniques are helpful to grasp the essential instruments for natural frameworks.

What is the study of Virology?

Virology is the most widely recognized part of Biology that focuses on the investigation of infections and viral illnesses. To put it plainly, everything without question revolves around understanding infections – from more normal contaminations, for example, chickenpox to new and arising diseases like Zika, Ebola, and most notably the coronavirus that became a pandemic. Virologists are clinical specialists that administer the analysis, the board, and counteraction of disease.

What is Zoology?

Zoology is one of the fundamental parts of Biology which is concerned  about the investigation of animals physiology, construction, grouping, and conveyance. Zoology is a part of science that has practical experience in the investigation of creatures both living and wiped out, including their life structures and physiology, embryology, hereditary qualities, development, characterization, propensities, conduct, and appropriation. 


Biology is a lot of times moved based on levels that arrange with crucial units of life. At the degree of sub-atomic science, for instance, life is viewed as an appearance of compound and energy changes that happen among the numerous synthetic constituents that form a living being. 

Exceptionally significant to those advances was the ascent of genomics in the late twentieth and mid 21st hundreds of years. Advancement in biology permits us to foster comprehension of our environment and how it affects us. Our pursuit of this knowledge has led us to understand how we might interpret what life is with regard to our surroundings. Biology teaches us what life is and how we should manage it as it affects our societies and everything we developed from it.

Frequently Asked Questions (FAQs): What are the 25 major branches of biology?

Who is the father of biology?

Aristotle was the man behind the Lyceum, the Peripatetic school of reasoning, and the Aristotelian practice; a Greek thinker and polymath during the Classical time frame in Ancient Greece and a follower and student of Plato.

What is basic biology?

Biology is the innate science that includes the investigation of life and living creatures. Without science, it would be hard to figure out the life structures of people, creatures, and different animals.

Who discovered the cell?

Robert Hooke first discovered the cell in 1665 and has a rich and fascinating history that has eventually given way to a significant number of the present logical progressions.


Campbell, P.N. ed., 2013. Biology in profile: a guide to the many branches of biology. Elsevier.

Lindley, J., 1839. An introduction to botany. Longman, Orme, Brown, Green, and Longmans.

Freeman, S., 2008. Biological science. Pearson Education, Inc..

BioExplorer.net. (2022, May 23). Branches of Biology / Divisions of Biology. Bio Explorer. https://www.bioexplorer.net/divisions_of_biology/.

Branches of biology. (2021, March 1). Biology Online. https://www.biologyonline.com/dictionary/branches-of-biology

Karki, G. (2017, July 18). Branches of biology. Online Biology Notes. https://www.onlinebiologynotes.com/branches-of-biology/