1

Study of Atmosphere

Aerology

2

Study of Plant Nutrition and Growth in relation to Soil

Agrobiology

3

Branch of Science dealing with the production of Crop

Agrology

4

Study of Grasses

Agrostology

5

Study of Algae

Algology / Phycology

6

Study of Male Health or Male Reproductive Organ

Andrology

7

Study of the Anatomy of Blood and lymph Vascular System

Angiology

8

Study of Human Past & Present

Anthropology

9

Study of Bees

Apiology

10

Study of Spider

Araneology

11

Study of Mars

Aerology

12

Study of Crayfish

Astacology

13

Study of Origin of life in the Universe

Astrobiology

14

Study of Hearing

Audiology

15

Study of Flowers

Anthology

16

Study of Arthropods

Arthropodology

17

Study of Joints

Arthrology

18

Study of Food

Bromatology

19

Study of Heart

Cardiology

20

Study of Cells

Cytology

21

Study of Beetles

Coleopterology

22

Study of Mollusks Shells

Conchology

24

Study of Crustaceans

Carcinology

25

Study of Bats

Chiropterology

Study of Trees

Dendrology

26

Study of Skin

Dermatology

27

Study of Ligaments

Desmology

Study of Ligaments and Joint Articulation

Syndesmology

28

Study of Diabetes Mellitus

Diabetology

29

Study of Flies

Dipterology

30

Study of Insects

Entomology

31

Study of the Relationship between Living Organisms and their environment

Ecology

32

Study of Internal Secretory Glands

Endocrinology

33

Study of Enzymes

Enzymology

34

Study of Origin and spread of Disease

Epidemiology

35

Study of Animal Behavior

Ethology

36

Study of Geology of Celestial Body

Exogeology

37

Study of History of Words and their origins

Etymology

38

Study of Cats

Felinology

39

Study of Fetus

Fetology

40

Study of Ants

Myrmecology

41

Study of Ageing

Gerontology

42

Study of Glaciers

Glaciology

43

Study of Sun

Heliology

44

Study of Liver

Hepatology

45

Study of Reptiles

Herpetology

46

Study of Underground Water

Hydrogeology

47

Study of Tissue

Histology

48

Study of Blood

Hematology

49

Study of Fossil

Paleontology

50

Study of Fish

Ichthyology

51

Study of Immune System

Immunology

52

Study of Larynx

Laryngology

53

Study of Butterflies and Moths

Lepidopterology

54

Study of Fresh Water Environment( In land water bodies)

Limnology

55

Study of Lymph System and Glands

Lymphology

56

Study of Mollusca

Malacology

57

Study of Measurement

Metrology

58

Study of Microorganisms

Microbiology

59

Study of Muscles

Myology

60

Study of Myths

Mythology

61

Study of Fungi

Mycology

62

Study of Nematodes/Round Worm

Nematology

63

Study of Clouds

Nephology

64

Study of Kidney

Nephrology

65

Study of Nerves and Nervous System

Neurology

66

Study of Neural Diseases

Neuropathology

67

Study of Teeth and Gums

Odontology

68

Study of Cancer

Oncology

69

Study of Eggs

Oology

70

Study of Bones

Osteology

71

Study of Ear and Throat

Otolaryngology

72

Study of Prehistory life

Paleobiology

73

Study of Pollen

Palynology

74

Study of Illness

Pathology

75

Study of Rocks

Petrology

76

Study of Drugs

Pharmacology

77

Study of Sound

Phonology

78

Study of Algae

Phycology

79

Study of Plants

Phytology

80

Study of Dust Particles

Palynology

81

Study of Moon

Selenology

82

Study of Blood Serum

Serology

83

Study of Diet

Sitology

84

Study of Human Characteristics

Somatology

85

Study of Sleep

Somnology

86

Study of Mouth

Stomatology

87

Study of Poisons

Toxicology

88

Study of Hairs and its disease

Trichology

89

Study of Urogenital Track

Urology

90

Study of Virus

Virology

91

Study of Wood

Xylology

92

Study of Sediments

Sedimentology

93

Study of Sex

Sexology

94

Study of Diet

Sitology

96

Study of Human Characteristics

Somatology

97

Study of Sleep

Semiology

98

Study of Caves

Speleology

99

Study of Stofan & disease of Oral Cavity

Stomatology

101

Study of Sponges

Parazoology

102

Study of Child Birth and Care of Mother

Tocology

103

Study of Wounds & Injuries

Traumatology

104

Study of Hair and the Scalp

Trichology

105

Study of Classification

Taxonomy

106

Study of Time

Chronology

107

Study of Skills

Craniology

108

Study of Heredity & Variations

Genetics

109

Study of Female Reproductive Organ

Gynecology

110

Study of Nucleus

Karyology

111

Study of Human Beauty

Kalology

112

Study of Birds

Ornithology

113

Study of Eyes

Ophthalmology

114

Study of Cultivation of Vegetables

Olericulture

115

Study of Tumor

Oncology

116

Study of Fossils

Paleontology

117

Study of Nose

Rhinology

118

Study of Lizards

Saurology

119

Study of Moon

Selenology

120

Study of Weather

Metrology

121

Study of Earthquakes

Seismology

122

Study of Dogs

Cynology

123

Study of Maps & Map Making

Cartography

124

Study of Wholes

Cetology

125

Study of Shells

Conchology

126

Study of Cultural Heritage

Ethnology

127

Study of Handwriting

Graphology

128

Study of Horses

Hippology

129

Study of Water

Hydrology

130

Study of Ants

Myrmecology

131

Study of Cloud

Nephology

132

Study of Brain

Neurology

133

Study of Snakes

Ophiology

134

Study of Ears

Otology

135

Study of Disease

Pathology

136

Study of Children

Paedology

137

Study of Soil

Pedology

138

Study of Drugs

Pharmacology

139

Study of Plants

Botany/ Phytology

140

Study of Fire

Somatology

141

Study of Human Characteristics

Somatology

142

Study of Caves

Speleology