Right option is (b) Haemotology
The explanation is: Chemistry: section deals with the analysis of blood, urine, cerebrospinal fluid (CSF) and other fluids to determine the quantity of various important substances they contain. Most of the electronic instruments in the clinical laboratory are available in this section. Haematology: section deals with the determinations of the number and characteristics of the constituents of the blood, particularly the blood cells. Microbiology: section in which studies are performed on various body tissues and fluids to determine the presence of pathological micro-organisms.