Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 39 of 150)

Attempt Biology Quiz
Which structural organization is most common in globular proteins____________?
A. Primary
B. Secondary
C. Tertiary
D. Quaternary
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Which of the following does not show quaternary structure____________?
A. Haemoglobin
B. Pepsin
C. Fibrin
D. Insulin
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Which of the following occurs in anaerobic respiration but not in aerobic respiration?
A. Release of co2
B. Reduction of nad
C. Formation of atp
D. Production of ethanol from acetaldehyde
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helical structure is kept by the formation of _________ bonds among amino acids molecules?
A. H bonds
B. Disulphide bond
C. Ionic bond
D. Hydrophobic bonds
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Which of the following are triploblastic and acoelomate?
A. Sponges
B. Annelida
C. Platyhelminthes
D. Aves
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The food of hydra consists of___________?
A. Humus
B. Detritus
C. Dead microscopic animals
D. Small crustaceans
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Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?
A. Globular proteins
B. Fibrous proteins
C. Both a and b
D. None of these
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If a plasmolysed plant cell is placed in water the cell will___________?
A. Burst
B. Be killed
C. Be deplasmolysed
D. Show no change in it
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ATP is a an important molecule for its major function___________?
A. As an energy currency of the cell
B. As a coenzyme
C. Both a and b
D. None of these
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The first organism of whose genome was completely discovered was____________?
A. Human beings
B. Influenza virus
C. Hemophilus influenza
D. None of these
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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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