One Word Substitution MCQs with Answers & Explanations (Page 56)

A podiatrist is a person who treats the feet and their ailments. Chiropodist is an older term for a podiatrist. An orthopedist is a surgeon who corrects congenital or functional abnormalities of the bones with surgery, casting, and bracing. A pedicurist is a person who gives pedicures.

An orthopedist is a surgeon who corrects congenital or functional abnormalities of the bones with surgery, casting, and bracing. An osteopath treats medical disorders through the manipulation and massage of the skeleton and musculature. A chiropractor treats misalignment of the joints. A rheumatologist treats arthritis and other disorders of the joints, muscles, and ligaments.

A neurologist is a specialist in the anatomy, functions, and organic disorders of nerves and the nervous system. A neurosurgeon is a surgeon specializing in surgery on the nervous system. A psychiatrist treats mental illness. A psychologist studies the mind and behavior.

A gerontologist is an expert in the social, cultural, psychological, cognitive, and biological aspects of aging. A geriatrician is a doctor who specializes in the health care of elderly people. A thanatologist studies death and dying. An ethologist studies animal behavior.

A thanatologist is an expert in the scientific study of death and the practices associated with it. A mortician is an undertaker. A coroner is an official who investigates violent, sudden, or suspicious deaths. A pathologist studies the causes and effects of diseases.

An oncologist is a specialist who deals with the prevention, diagnosis, and treatment of cancer. A pathologist studies the causes and effects of diseases. A hematologist studies blood. A radiologist uses medical imaging to diagnose and treat diseases.

A criminologist is an expert in the scientific study of crime as a social phenomenon, of criminals, and of penal treatment. A detective is a police officer whose occupation is to investigate and solve crimes. A forensic scientist applies scientific methods to the investigation of crime. A penologist studies the punishment of crime and prison management.

A graphologist is an expert in the analysis of the physical characteristics and patterns of handwriting purporting to be able to identify the writer, indicating psychological state at the time of writing, or evaluating personality characteristics. A calligrapher practices the art of beautiful handwriting. A paleographer studies ancient writing systems. A philologist studies language in historical texts.

A numismatist is an expert in or collector of coins, paper currency, and medals. A philatelist collects stamps. An exonumist collects coin-like objects such as tokens and medals. A notaphilist collects banknotes.

A philatelist is an expert in the collection and study of postage stamps. A numismatist collects coins. A deltiologist collects postcards. A philographist collects autographs.

An oenologist is an expert in the science and study of wine and winemaking. A sommelier is a wine steward, a trained and knowledgeable wine professional who specializes in all aspects of wine service as well as wine and food pairing. A vintner is a wine merchant or a person who makes wine. A zymologist studies the chemical process of fermentation.

An acoustician is an expert in acoustics, the science that deals with the production, control, transmission, reception, and effects of sound. An audiologist is a health care professional who specializes in identifying, diagnosing, and treating hearing disorders. A phonologist studies the sound systems of languages. An otologist is a doctor specializing in the ear.

While there isn't a single word, an expert in the study of light is a type of physicist, specializing in optics. An optician makes or sells eyeglasses. A photometrist measures the intensity of light. An optometrist examines eyes for defects.

A thermodynamist is a scientist who specializes in thermodynamics, the branch of physical science that deals with the relations between heat and other forms of energy. Physicist is a general term. Calorist is not a standard term. Pyrologist studies fire.

A physicist specializing in electromagnetism is an expert in the study of electricity. An electrical engineer applies the science of electricity to develop technologies. An electrician is a tradesperson specializing in electrical wiring. An electrologist removes unwanted hair using electricity.

A physicist is the correct general term for an expert in the study of magnetism. Magnetist is not a standard term for a scientist. A geomagnetist studies the Earth's magnetic field. Ferrologist is not a standard term.

A physicist specializing in mechanics is the expert in the study of motion, forces, and energy. A mechanic is a skilled worker who repairs machines. An engineer applies scientific principles. A machinist is a person who operates a machine tool.

A geneticist is an expert in or student of heredity and the variation of inherited characteristics. A biologist studies living organisms. Genecologist studies the genetic composition of plant populations in relation to their habitats. A eugenicist advocates for the improvement of human genetic qualities.

An evolutionary biologist is an expert in the study of the processes that have transformed life on Earth from its earliest forms to the vast diversity that characterizes it today. A paleontologist studies fossils. A geneticist studies heredity. An anthropologist studies human societies.

An ecologist is an expert in or student of the branch of biology that deals with the relations of organisms to one another and to their physical surroundings. An environmentalist is a person who is concerned with or advocates for the protection of the environment. A conservationist advocates for the conservation of something, especially wildlife or natural resources. A biologist studies living organisms.