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) Miner’s safety lamp
(b) Atom bomb
(c) X-rays
(d) Television
The correct answers to the above question in:
Answer: (b)
Otto Hahn, (8 March 1879 – 28 July 1968) was a German chemist and Nobel laureate, a pioneer in the fields of radioactivity and radiochemistry.
He is regarded as “the father of nuclear chemistry”. Hahn was a courageous opposer of Jewish persecution by the Nazi Party and after World War II he became a passionate campaigner against the use of nuclear energy as a weapon.
He served as the last President of the Kaiser Wilhelm Society (KWG) in 1946 and as the founding President of the Max Planck Society (MPG) from 1948 to 1960. He is famous for the invention of the atomic bomb.
Practice scientist, discoveries & inventions (scientist, discoveries & inventions MCQ section 4) Online Quiz
Discuss Form
Read more scientist discoveries and inventions Based General Awareness Questions and Answers
Question : 1
Who invented Penicillin ?
a) Edward Jenner
b) William Harvey
c) Alexander Fleming
d) Louis Pasteur
Answer »Answer: (c)
Alexander Fleming discovered the antibiotic substance penicillin from the mould Penicillium notatum in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945.
Question : 2
Electric current is measured using which of the following instrument ?
a) Wattmeter
b) Ammeter
c) Anemometer
d) Voltmeter
Answer »Answer: (b)
The instrument used to measure electrical current is called an ammeter, which is actually a shortened form of ‘amp meter’. The current is measured in amperes. In scientific labs, a much more sensitive instrument called a galvanometer is used to measure very small currents.
Question : 3
Which scientist got the particle name for ‘mesotron’ changed to ‘meson’ ?
a) William Buehler
b) Hans Adolf Krebs
c) Dr Homi Jehangir Bhabha
d) Carl David Anderson
Answer »Answer: (c)
When Card David Anderson discovered a new particle with a mass between that of the electron and proton, he named it 'mesoton' in a 1933 publication in the Physical Review.
However, on the advice of Professor R.A. Millikan, he changed the name to ‘mesotron’ although he (Anderson) did not agree with it.
Homi Jehangir Bhabha then sent a short paper to Nature journal in February 1939 in which he proposed the name meson. The name given by Bhabha has remained to this day and is used for a class of elementary particles.
Question : 4
The Nobel Prize for deciphering the language of bee was awarded to
a) Julian Huxley
b) Dorothy Hodgkins
c) H.G. Khurana
d) K.V. Frisch
Answer »Answer: (d)
GET scientist, discoveries & inventions PRACTICE TEST EXERCISES
scientist, discoveries & inventions MCQ section 1
scientist, discoveries & inventions MCQ section 2
scientist, discoveries & inventions MCQ section 3
scientist, discoveries & inventions MCQ section 4
scientist, discoveries & inventions Shortcuts and Techniques with Examples
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
100+ Quadratic Equation Questions Answers PDF for Bank
Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
IBPS Aptitude Linear Equations MCQ Questions Answers PDF
Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
New 100+ Compound Interest MCQ with Answers PDF for IBPS
Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Mixture and Alligation MCQ Questions PDF for IBPS
Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams
Continue Reading »