scientist, discoveries & inventions MCQ section 1 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) S. Chandrashekhar
(b) H. Khurana
(c) C.V. Raman
(d) H.J. Bhabha
The correct answers to the above question in:
Answer: (a)
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Question : 1
‘Agronomy’ is the practice of raising ______
a) Fruit plants only
b) Plants and Animals
c) Agriculture
d) Crop plants
Answer »Answer: (d)
Agronomy is the science and technology of raising plants for food, fuel, fibre etc. To be specific, it is a branch of agricultural science that deals with the study of crops and the soils in which they grow.
Agronomists, sometimes known as crop scientists, specialize in producing and improving food crops through conducting experiments and developing methods of production.
They conduct research in crop rotation, irrigation and drainage, plant breeding, soil classification, soil fertility, weed control, and other areas.
Question : 2
Which one of the following scientists has carried out researches both in the field of Biology and Physics?
a) C.V. Raman
b) Homi J. Bhabha
c) Jagdish Chandra Bose
d) Har Govind Khurana
Answer »Answer: (c)
Question : 3
Who invented chloroform as anaesthetic?
a) Christian Barnard
b) James Simpson
c) Alexander Fleming
d) Edward Jenner
Answer »Answer: (b)
Sir James Young Simpson was a Scottish and an important figure in the history of medicine. Simpson discovered the anaesthetic properties of chloroform and successfully introduced it for general medical use. Chloroform is an organic compound with the formula CHCl3. It is one of the four chloromethanes.
The colourless, sweet-smelling, dense liquid is a trihalomethane and is considered somewhat hazardous. Several million tons are produced annually as a precursor to Teflon and refrigerants, but its use for refrigerants is being phased out.
Question : 4
Scientist S. Chandrashekhar got Nobel Prize for which field?
a) Super conductivity at low temperatures
b) Studies of Core of the Sun
c) Astrophysics
d) Micro-electronics in Satellites
Answer »Answer: (c)
Question : 5
Preservation of historical articles is done in science of
a) Epigraphy
b) Iconography
c) Museology
d) Numismatic
Answer »Answer: (c)
Museology is the study of museums and museum curation. Because the framework of museums lies in material objects as primary sources, it is indirectly concerned with the preservation of historical articles.
Question : 6
Insulin was discovered by :
a) S.A. Wakesman
b) F. Banting
c) Ronald Ross
d) Edward Jenner
Answer »Answer: (b)
Frederick Banting was a Canadian medical scientist, doctor and Nobel laureate noted as one of the main discoverers of insulin.
In 1923 Banting and John James Rickard Macleod received the Nobel Prize in Medicine, becoming the youngest recipient of the Nobel Prize in Physiology/Medicine to date.
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