TCS Placement Model Test 6

ballistics are science of projectiles and firearms. Similarly, aeronautics is the science of satellites.
For other options.
Entomology: the branch of zoology concerned with the study of insects
oneirology: scientific study of dreams, orthopedics: the branch of medicine dealing with the correction of deformities of bones or muscles musculoskeletal: relating to or denoting the musculature and skeleton together