ICBN : International Code for Botanical Nomenclature
ICZN : International Code of Zoological Nomenclature
PPLO : Pleuro Pneumonia Like Organisms
GFR : Glomerular Filtration Rate
JGA : Juxta-Glomerular Apparatus
ANF : Atrial-Natriuretic factor
GnRH : Gonadotrophin Releasing Hormone
GH : Growth Hormone
TSH : Thyroid Stimulating Hormone
ACTH : Adreno Corticotrophic Hormone
MSH : Melanocyte Stimulating Hormone
ADH : Vasopressin/Anti-diuretic Hormone
T3 : Triiodothyronine
T4 : Tetraiodothyronine or thyroxine
TCT : Thyrocalcitonin
PTH : Parathyroid hormone
CCK : Cholecystokinin
LHC : Light Harvesting Complex
PGA : Phosphoglyceric acid
OAA : Oxalo acetic acid
RuBisCO : Ribulose bisphosphate carboxylase-oxygenase.
NAD : Nicotinamide Adenine Dinucleotide (Coenzyme).
CoA : Coenzyme A
ETC : Electron Transport Chain
RQ : Respiratory Quotient
PGRs : Plant Growth Regulators
NAA : Napthalene Acetic Acid
2, 4-D : 2, 4-Dichlorophenoxy acetic acid
GA3 : Gibberellic acid.
PMC : Pollen mother cell/microscope mother cell.
MMC : Megaspore mother cell.
PEN : Primary Endosperm Nucleus.
hCG : Human Chorionic Gonadotrophin
hPL : Human Placental Lactogen
STDs : Sexually Transmitted Diseases
WHO : World Health Organisation
MMR : Maternal Mortality Rate
IMR : Infant Mortality Rate
IUDs : Intra Uterine Devices
MTP : Medical Termination of Pregnancy
ZIFT : Zygote Intra-fallopian transfer
GIFT : Gamete Intra-fallopian transfer
IUT : Intra Uterine Transfer
IUI : Intra Uterine Insemination
AIT/AI : Artificial Insemination Technique
ICSI : Intra cytoplasmic sperm injection
IVF : In-vitro fertilisation
NHC : Non-histone Chromosomal proteins
snRNA : Small Nuclear RNA
hnRNA : Heterogenous Nuclear RNA
sRNA : Soluble RNA
HGP : Human Genome Project
BAC : Bacterial Artificial Chromosome
YAC : Yeast Artificial Chromosome
VNTR : Variable Number of Tandem Repeats
CMI : Cell - Mediated Immunity
MALT : Mucosal Associated Lymphoid Tissue
AIDS : Acquired Immuno Deficiency Syndrome
HIV : Human Immuno Deficiency Virus
ELISA : Enzyme Linked Immuno Sorbent Assay
MRI : Magnetic Resonance Imaging
MOET : Multiple Ovulation Embryo Transfer Technology.
SCP : Single Cell Protein
LAB : Lactic Acid Bacteria
ppm : Parts per million
DU : Dobson Units
dB : Decibel
CFCs : Chloroflurocarbons
STPs : Sewage Treatment Plants
BOD : Biochemical oxygen Demand
KVIC : Khadi & Village Industries Commission
Bt : Bacillus thuringiensis
Ori : Origin of Replication
Ti Plasmid : Tumor Inducing Plasmid
Taq : Thermus aquaticus
PCR : Polymerase Chain Reaction
GMO : Genetically modified Organisms
NPP : Net Primary Productivity
GPP : Gross Primary Productivity
GFC : Grazing food chain
DFC : Detritus food chain
IUCN : International Union for Conservation of Nature & Natural Resources
CNG : Compressed Natural Gas
ppb : Parts per billion