Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 37 of 150)

Attempt Biology Quiz
How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?
A. 1
B. 2
C. 3
D. 6
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The element in basic structure of proteins which differentiate them from carbohydrates________?
A. C
B. S
C. H
D. N
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Hunger pangs usually begin ______ after the previous meal.
A. 2-4 hours
B. 6-8 hours
C. 10-12 hours
D. 12-24 hours
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Total number of amino acids discovered so far in cells and tissues are______________?
A. 20
B. 25
C. 150
D. 170
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The major constituent of blood plasma is___________?
A. Protein
B. Nacl
C. Water
D. Cholesterol
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An insulin molecule consists of _________ polypeptide chains?
A. 1
B. 2
C. 3
D. 4
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The windpipe or trachea lies?
A. Dorsal to oesophagus
B. Ventral to oesophagus
C. Lateral to oesophagus
D. None of these
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A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
A. Phosphodiester linkage
B. Glycosidic bond
C. Peptide bond
D. Hydrogen bond
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Total number of amino acids in a hemoglobin molecule are__________?
A. 554
B. 564
C. 574
D. 584
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Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. Quaternary structure
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Word of the Day
13 Jul
Debunk
expose the falseness or hollowness of (an idea or belief).
بے نقاب کرنا، پول کھولنا

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