Everyday Science MCQs

5120 MCQs  (Page 299 of 512)

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Animal and vegetable fats are___________________?
A. Glycerols
B. Fatty acids
C. Triesters formed from glycerol and fatty acids
D. Tetraesters formed from glycerol and fatty acids
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Triglycerides are easily hydrolyzed by enzymes called_________________?
A. Lyases
B. Ligases
C. Lipases
D. Hydrolases
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Saponification is the hydrolysis of fat or oil with an__________________?
A. Acid
B. Alkali
C. Enzyme and alkali
D. Enzyme and acid
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Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called______________?
A. Oxidoreductases
B. Hydrolases
C. Isoenzymes
D. Isomerases
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Enzyme proved useful in cancer treatment is_______________?
A. Lactic dehydrogenase
B. Alkaline phosphatase
C. L-asparaginase
D. Cellulase
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When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?
A. Tetrahedral
B. Square planar
C. Trigonal bipyramidal
D. Octahedral
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In the production of wrought iron Mg Si and P are removed in the form of___________________?
A. Oxides
B. Silicates
C. Slag
D. Carbonates
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Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
A. Activation
B. Enameling
C. Corrosion
D. Coating
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Polymers described as large molecules built up from small repeating units called________________?
A. Biopolymers
B. Dimers
C. Monomers
D. Metamers
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The important monomers of acryclic resins is__________________?
A. Vinyl chloride
B. Styrene
C. Methylmethacrylate
D. Hexamethylenediamine
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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