scientist, discoveries & inventions MCQ section 1 Practice Questions Answers Test with Solutions & More Shortcuts
scientist, discoveries & inventions PRACTICE TEST [4 - 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
Question : 12 [SSC CGL 2016]
‘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 : 14 [FCI Asst Grade-III Exam. 2012]
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 : 15 [SSC CGL 2016]
Epigraphy is the study of which of the following ?
a) Birds
b) Coins
c) Temples
d) Inscriptions
Answer »Answer: (d)
Epigraphy is the study of inscriptions or epigraphs as writing. It is the science of identifying graphemes, clarifying their meanings, classifying their uses according to dates and cultural contexts, and drawing conclusions about the writing and the writers. A per-son using the methods of epigraphy is called an epigrapher or epigraphist.
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