General Science MCQs – Page 89 (Q881-890)

Albert Sabin, an American virologist, developed an oral polio vaccine in the late 1950s as a significantly more convenient, easily administered alternative to Jonas Salk's earlier injectable polio vaccine, using a carefully weakened, live but non-harmful attenuated form of the poliovirus that could be administered simply and easily via drops taken orally rather than requiring an injection. Sabin's oral vaccine offered several genuine practical advantages, including significantly easier mass administration and providing longer-lasting immunity, and it became the vaccine of choice used in many large-scale global polio eradication campaigns conducted throughout numerous countries worldwide in subsequent decades.

Casimir Funk, a Polish-American biochemist, is credited with coining the term vitamine in 1912, originally combining the words vital and amine, since he initially, though ultimately somewhat incorrectly, believed all these essential dietary nutrients specifically contained amine chemical compounds. The final e was later dropped from the original term once subsequent scientific research revealed that not every vitamin actually contains an amine group, resulting in the now-familiar modern term vitamin still used universally today, and Funk's genuinely pioneering, foundational work helped establish the important early concept that specific dietary deficiencies of these essential micronutrients directly cause identifiable, specific diseases.

Marie Curie holds the historic distinction of being the first person, and to date still the only woman, to win the Nobel Prize in two entirely separate scientific fields, receiving the Nobel Prize in Physics in 1903 for her groundbreaking research on radioactivity, and later the Nobel Prize in Chemistry in 1911 for her subsequent discovery of the two radioactive elements radium and polonium. This truly remarkable, historic double achievement remains genuinely exceptional even today, and Curie's own trailblazing scientific career helped significantly pave the way for greater subsequent recognition of women's substantial contributions across virtually all fields of scientific research.

Frederick Banting, a Canadian medical scientist, along with his research assistant Charles Best, is credited with the successful discovery and isolation of insulin in 1921, a landmark, genuinely transformative medical breakthrough that dramatically transformed the treatment of diabetes from what had previously been an almost universally fatal diagnosis into a genuinely manageable chronic condition. Banting shared the 1923 Nobel Prize in Physiology or Medicine for this remarkable discovery, becoming at the time the youngest ever Nobel laureate in that particular scientific category, and insulin therapy has since saved and dramatically improved the quality of life for countless millions of people living with diabetes worldwide.

Isaac Newton is widely credited with publishing the enormously influential scientific work Philosophiae Naturalis Principia Mathematica in 1687, commonly known simply as the Principia, comprehensively detailing his three foundational laws of motion along with his law of universal gravitation, together forming the essential foundational basis of what subsequently became known as classical mechanics. This landmark, genuinely transformative work is widely and rightly considered among the single most important scientific books ever written in the entire history of science, fundamentally shaping the subsequent overall course and direction of physics for well over two centuries following its original publication.

Robert Boyle, an Irish chemist and physicist, conducted early pioneering experiments with gases during the seventeenth century, including formulating Boyle's law describing the fundamental relationship between gas pressure and volume, and this early foundational experimental work on gases and chemical elements contributed important groundwork eventually leading to the later development of the modern periodic table by subsequent scientists. Boyle is often considered one of the founding figures of modern experimental chemistry as a genuinely rigorous scientific discipline, helping to move the field decisively away from earlier, less scientifically rigorous alchemical traditions toward a more systematic, evidence-based experimental scientific approach.

Alfred Russel Wallace, a British naturalist, independently proposed a theory of evolution through natural selection around roughly the same general time as Charles Darwin, working entirely separately and largely independently while conducting extensive fieldwork in Southeast Asia during the mid-nineteenth century. Wallace's independently developed ideas were notably presented jointly alongside Darwin's own related work at a scientific meeting in 1858, before Darwin subsequently published his own more comprehensive and detailed book on the subject the following year, and this genuinely remarkable case of independent scientific discovery is frequently cited today as a particularly striking example of simultaneous, parallel scientific insight occurring independently in two entirely separate researchers.

Erwin Schrodinger, an Austrian physicist, is well known for his famous thought experiments that helped illustrate several strange, counterintuitive effects central to quantum mechanics, most notably including his famous Schrodinger's cat thought experiment, in which a hypothetical cat sealed within a closed box is described as existing simultaneously in both a superposition of alive and dead states until the box is actually opened and directly observed. Schrodinger also formulated the foundational Schrodinger equation, a fundamental mathematical equation describing how quantum systems evolve and change over time, and he shared the 1933 Nobel Prize in Physics for his substantial contributions to the developing field of quantum mechanics.

Thomas Hunt Morgan, an American geneticist, conducted meticulous, extensive breeding experiments using fruit flies, or Drosophila, in the early twentieth century, which helped definitively establish the chromosome theory of heredity, providing crucial direct experimental evidence that genes are physically located on chromosomes and are inherited together in predictable, specific patterns depending on their particular relative physical location. Morgan's genuinely groundbreaking research earned him the Nobel Prize in Physiology or Medicine in 1933, and fruit flies, thanks significantly to his own pioneering foundational work, remain today one of the most widely and extensively used model organisms in modern genetics research laboratories worldwide.

Ada Lovelace, a British mathematician and writer, and daughter of the famous Romantic poet Lord Byron, is often regarded as an early pioneer of computer programming, having written detailed notes on Charles Babbage's proposed Analytical Engine during the 1840s that included what is now widely recognized as the very first published algorithm specifically intended to be executed by a machine. Lovelace's remarkably visionary insights also notably included the genuinely prescient early idea that such sophisticated computing machines might eventually be capable of doing far more than simple numerical calculation alone, a truly forward-thinking concept well ahead of her own particular historical time.