Biology MCQs

Page No. 86

ATP is a an important molecule for its major function___________?


aAs an energy currency of the cell


bAs a coenzyme


cBoth a and b


dNone of these



If a plasmolysed plant cell is placed in water the cell will___________?


aBurst


bBe Killed


cBe deplasmolysed


dShow no change in it


View Answer Be deplasmolysed

Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?


aGlobular proteins


bFibrous Proteins


cBoth a and b


dNone of these


View Answer Fibrous Proteins

The food of hydra consists of___________?


aHumus


bDetritus


cDead microscopic animals


dSmall crustaceans


View Answer Small crustaceans

Which of the following are triploblastic and acoelomate?


aSponges


bAnnelida


cPlatyhelminthes


dAves


View Answer Platyhelminthes

helical structure is kept by the formation of _________ bonds among amino acids molecules?


aH bonds


bDisulphide Bond


cIonic bond


dHydrophobic bonds


View Answer H bonds

Which of the following occurs in anaerobic respiration but not in aerobic respiration?


aRelease of CO2


bReduction of NAD


cFormation of ATP


dProduction of ethanol from acetaldehyde



Which of the following does not show quaternary structure____________?


aHaemoglobin


bPepsin


cFibrin


dInsulin


View Answer Fibrin

Which structural organization is most common in globular proteins____________?


aPrimary


bSecondary


cTertiary


dQuaternary


View Answer Tertiary

Amphoixus is a__________?


aChordate


bProtochordate


cLower chordate


dAll of these


View Answer All of these

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