FSC Physics MCQs Part 2 Physics Part 1 HSSC Pre Medical Pre Engineering text Book Questions first year and second-year Physics mcqs
Which one of the following is also known as lactic acid?
A. 3-Hydroxy propanoic acid B. 2-Hydroxy propanoic acid
C. 2-hydroxy butanoic acid D. 3-hydroxy butanoic acid
A. 3-Hydroxy propanoic acid B. 2-Hydroxy propanoic acid
C. 2-hydroxy butanoic acid D. 3-hydroxy butanoic acid
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B
The formula of starch is
A. C12H22O11 B. C6H10O5
C. (C6H10O5)n D. C6H12O6
A. C12H22O11 B. C6H10O5
C. (C6H10O5)n D. C6H12O6
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C
The process of fermentation of starch involve many enzymes the sequence of enzymes used are
A. Diastase-maltase-zymase B. Zymase-maltase-diastase
C. Maltase-diastase-zymase D. Diastase-zymase-maltase
A. Diastase-maltase-zymase B. Zymase-maltase-diastase
C. Maltase-diastase-zymase D. Diastase-zymase-maltase
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A
Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate?
A. Primary alcohol B. Secondary alcohol
C. Tertiary alcohol D. All of above
A. Primary alcohol B. Secondary alcohol
C. Tertiary alcohol D. All of above
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C
Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is
A. oxidation B. elimination
C. condensation polymerization D. additional polymertization
A. oxidation B. elimination
C. condensation polymerization D. additional polymertization
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C
