Everyday Science MCQs

5120 MCQs  (Page 298 of 512)

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Nucleic acids were first demonstrated in_________________?
A. Pus cells
B. Sperm heads
C. 1872
D. All of the above
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The mechanism by which the genetic information can be duplicated is called_________________?
A. Duplication
B. Transcription
C. Replication
D. Mutation
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The nitrogenous base different in RNA as compared to DNA is_________________?
A. Cytosine
B. Thymine
C. Adenine
D. Guanine
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A polymer in which three different monomers combine called_____________?
A. Copolymer
B. Terpolymer
C. Homopolymer
D. Biopolymer
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Polyester resins are the product of the reaction of__________________?
A. Dihydric alcohol and dicarboxylic aromatic acids
B. Polyamines with aliphatic dicarboxylic acids
C. Styrene in the presence of catalyst
D. Epichlorohydrin with diphenylol propane
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Carbohydrates are polyhydroxy compounds of___________________?
A. Glucose
B. Glyceraldehydes
C. Oligosaccharides
D. Aldehydes and ketones
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Nylon is obtained by heating___________________?
A. Acrylic acid
B. Epichlorohydrin
C. Vinyl chloride
D. Adipic acid with hexamethylene diamine
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The process of polymerization was classified by___________________?
A. Strecker
B. Sabatier
C. Runge
D. W. h. carothers
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Protein attached to some non protein group is called____________________?
A. Derived protein
B. Sample protein
C. Proteoses
D. Conjugated protein
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Lipids are soluble in___________________?
A. Organic solvents
B. Organic and inorganic solvents
C. Inorganic solvents
D. Solubility has nothing to do with lipids
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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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