scientist, discoveries & inventions MCQ section 4 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general awareness mcq - 4 EXERCISES
The following question based on scientist, discoveries & inventions topic of general awareness mcq
(a) Janseen
(b) Agassit
(c) Joseph Aspdin
(d) Albertus Magnus
The correct answers to the above question in:
Answer: (c)
Cement is a binder, a substance that sets and hardens independently, and can bind other materials together.
The word “cement” traces to the Romans, who used the term opus caementicium to describe masonry resembling modern concrete that was made from crushed rock with burnt lime as a binder.
Joseph Aspdin was a British cement manufacturer who obtained the patent for Portland cement on 21 October 1824.
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Read more scientist discoveries and inventions Based General Awareness Questions and Answers
Question : 1
IVF (In Vitro Fertilization) Technique was first devised by
a) Dr. Martin Cooper
b) Patrick Steptoe and Robert Edwards
c) Robertson
d) Dr. Henry Dixon
Answer »Answer: (b)
Along with the surgeon Patrick Steptoe, Robert Edwards successfully pioneered conception through IVF, which led to the birth of Louise Brown in 1978. They founded the first IVF program for infertile patients and trained other scientists in their techniques.
Question : 2
Who is the inventor of the Web?
a) Ted Nelson
b) Mike Sendall
c) Bill Gates
d) Tim Berners-Lee
Answer »Answer: (d)
Tim Berners-Lee is a British computer scientist and the inventor of the World Wide Web.
He made a proposal for an information management system in March 1989, and on 25 December 1990, with the help of Robert Cailliau and a young student at the European Organization for Nuclear Research (CERN), he implemented the first successful communication between a Hypertext Transfer Protocol (HTTP) client and server via the Internet.
Question : 3
Araneology is the study of:
a) Study of spiders
b) Rearing of bees
c) Study of mites
d) Study of aphids
Answer »Answer: (a)
Araneology is a branch of zoology that deals with the study of spiders. It is a branch of Arachnology, the scientific study of spiders and related animals such as scorpions, pseudo-scorpions, and harvestmen, collectively called arachnids.
Question : 4
The Beaufort scale is used to measure :
a) Intensity of earthquakes
b) Atmospheric pressure
c) Wind velocity
d) Altitudes of mountains
Answer »Answer: (c)
The Beaufort scale is an empirical measure for describing wind velocity based on observed sea conditions. The scale was devised in 1805 by Irish-born Francis Beaufort (later Rear Admiral Sir Francis Beaufort), a Royal Navy officer, while serving in HMS Woolwich.
Question : 5
Pick out the person associated with the coining of the term ‘gene’.
a) Morgan
b) Waldeyer
c) Johannsen
d) Mendel
Answer »Answer: (c)
Though Gregor Mendel (1822–1884) first suggested the existence of discrete inheritable units, he did not use the term gene.
Gene was coined in 1909 by Danish botanist Wilhelm Johannsen to describe the fundamental physical and functional unit of heredity. The related word genetics was first used by William Bateson in 1905.
Question : 6
Blood groups were discovered by
a) Morgan
b) Landsteiner
c) Weismann
d) William Harvey
Answer »Answer: (b)
The ABO blood group system is widely credited to have been discovered by the Austrian scientist Karl Landsteiner, who identified the O, A, and B blood types in 1900. He was awarded the Nobel Prize in Physiology or Medicine in 1930 for his work.
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