As we mentioned that biology is broad based multidisciplinary  branch of science that itself has so much about hundred of branches. There are some popular branches as follows :

 Branches of Biology

                Branch      -            Concerned with  (Study of)

1. ·         Agrastology- Study of grasses
2. ·         Agronomy- Management of farms and science of production of crops.
3. ·         Anatomy -  Study of  Internal organs.
4. ·         Apiculture - The rearing of bees, beekeeping for commercial purposes.
5. ·         Algalogy/Phycology -Study of algae.
6. ·         Anthropology - Study related to origin, development and culture of present and past races of humans.
7. ·         Arboriculture - Cultivation of trees and shrubs.
8. ·         Arthrology- Study of joints.
9. ·         Auanology - Study ofgrowth
10. ·         Bacteriology -Study of bacteria.
11. ·         Biochemistry - Science connected with chemistry (composition, chemical nature, mode of formation, functioning) of living matter.
12. ·         Bioenergetics -Flow of energy and energy transformations
13. ·         Biomedical Engineering - Production of spare parts for man implants, artificial limbs, heart  and lung machines etc.
14. ·         Bonsai- The art and hobby of growing dwarf forms of trees and shrubs in pots.
15. ·         Botany - Study of plants.
16. ·         Breeding - To produce improved varieties by selective mating.
17. ·         Bryology - Study of bryophytes.
18. ·         Cardiology - Study of heart
19. ·         Chirology/Cheirology - Communication system for deal and mute by sign language.
20. ·         Chondrology- Study of cartilages
21. ·         Cnidology - Study of coelenterates
22. ·         Craniology - Study of skulls.
23. ·         Cryobiology- study of effect of freezing  on living organism.
24. ·         Cytology-  Detailed study of cells.
25. ·         Demography- Study of populations.
26. ·         Dentistry - Care of teeth including cure, removal, filling and replacement.
27. ·         Dermatology- Study of skin and other body coverings.
28. ·         Desmology - Anatomy/study of ligaments.
29. ·         Ecology- Study of environment and its surrounding.
30. ·         Economic Botany- Study of plants with respect to the economic importance.
31. ·         Economic Zoology- Study of animals with respect to their economic importance.
32. ·         Embryology- Study of germinations  in plants.
33. ·         Endocrinology- Study of endocrine glands, hormones and their effects.
34. ·         Entomology- A branch of zoology deals that with the structure, habits and classification of insects.
35. ·         Enzymology- Study of enzymes and their functions.
36. ·         Epidemiology- Study of distributions, causes and control measures of infectious diseases.
37. ·         Ethology- Study of animal behaviour.
38. ·         Fishery- The occupation or industry of catching fish or other products of the sea,lakes or rivers.
39. ·         Floriculture- Cultivation of plants for their flowers.
40. ·         Food technology - Processing and preservation of foods.
41. ·         Forestry - The science of developing and conserving forests.
42. ·         Gastroenterology- Study of alimentary canal or stomach, intestine and their diseases.
43. ·         Genetics- study of heredity and variations.
44. ·         Geology -Science of earth.
45. ·         Gerontology- Study of ageing and senescence.
46. ·         Gerontotherapy- Treatment of disease in the aged.
47. ·         Gynaecology - Study of female reproductive organs.
48. ·         Haematology- Study of blood.
49. ·         Helminthology- Study of parasitic worms.
50. ·         Hepatology- Study of liver.
51. ·         Herpetology- Study of reptiles and amphibians/creeping animals.
52. ·         Histology-Study of cells and tissues with microscopes.
53. ·         Hypnotherapy- Treatment through hypnotism.
54. ·         Ichthyology- Study of fishes.
55. ·         Immunology- Study of immunity or resistance to disease.
56. ·         Kinesiology- Science dealing with inter-relationship of anatomy and physiology with respect to movements.
57. ·         Laryngology- Study of larynx.
58. ·         Leprology- Study of leprosy and its cure.
59. ·         Lichenology- Study of lichens.
60. ·         Limnology-Study of freshwater forms.
61. ·         Malariology- Study of various aspects of malaria and its cure.
62. ·         Mammology- Study of mammals.
63. ·         Mastology -Study of breasts including teats.
64. ·         Medicine - The science of treating diseases with drugs or curative substances.
65. ·         Melanology- Study of development and loss of body pigments.
66. ·         Microbiology - The science dealing with the structure, function, uses of microscopic organisms.
67. ·         Monerology - Study of monera.
68. ·         Mycology- Study of fungi.
69. ·         Myology (Sarcology) - Study of muscles,
70. ·         Neurology- Study of nervous system.
71. ·         Odontology- Study of teeth and gums..
72. ·         Oncology- Study of cancers and tumours
73. ·         Ophthalmology- Study of eyes.
74. ·         Ornithology- Study of birds.
75. ·         Orthopaedics- Diagnosis and repair of disorders of locomotory system (bones, joints, etc).
76. ·         Osteology- Study of bones
77. ·         Paediatrics- Branch of medicine dealing with children.
78. ·         Parasitology- Study of parasites.
79. ·         Pathology- The science dealing with the nature of diseases, their causes, symptoms and effect.
80. ·         Phylogeny- Evolutionary history.
81. ·         Physiology- Study of various vital activities of plants and animals.
82. ·         Physiotheraphy- Treatment of body defects through massage and exercise.
83. ·         Phytochemistry- Study of chemistry of plants.
84. ·         Poultry Science - Science dealing with domestic fowls, such as chickens, ducks and geese.
85. ·         Protistology- Study of protists.
86. ·         Radiology- Science dealing with X-rays and other imaging techniques for medical diagnosis.
87. ·         Rhinology- Study of nose and olfactory organs.
88. ·         Rhinoplasty- External alteration of nose through surgery.
89. ·         Sericulture - The breeding and treatment of silkworms for producing raw silk.
90. ·         Serology- Study of serum; interaction of antigens and antibodies in the blood.
91. ·         Serpentology/ Ophiology -Study of snakes.
92. ·         Soil Science -Study of soil and its conservation.
93. ·         Sonography- Ultrasound imaging.
94. ·         Sonology-  Study of hearing.
95. ·         Taxanomy- Study of classifications and  systematic.
96. ·         Toxicology - Study of harmful effects of drugs and other substances.
97. ·         Tricology- Study of hairs.
98. ·         Urology- Science dealing with structure, functions and disorders of urinary tract (urinogenital tract in males).
99. ·         Veterinary medicine- Science dealing with the diseases of domesticated animals and their health care.
100. ·         Virology- Study of viruses.
101. ·         Zoogeny - Origin and development of animals.
102. ·         Zoogeography- Study of geographical distribution of animals.
103. ·         Zoology-Study of animals.
104. ·         Zoopathology  - Study of animal diseases.