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

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cBoth a and b

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dNone of these

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


aBurst

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bBe Killed

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cBe deplasmolysed

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dShow no change in it

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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

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bFibrous Proteins

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cBoth a and b

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dNone of these

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View Answer Fibrous Proteins

The food of hydra consists of___________?


aHumus

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bDetritus

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cDead microscopic animals

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dSmall crustaceans

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View Answer Small crustaceans

Which of the following are triploblastic and acoelomate?


aSponges

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bAnnelida

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cPlatyhelminthes

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dAves

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View Answer Platyhelminthes

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


aH bonds

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bDisulphide Bond

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cIonic bond

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dHydrophobic bonds

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View Answer H bonds

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


aRelease of CO2

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bReduction of NAD

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cFormation of ATP

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dProduction of ethanol from acetaldehyde

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Which of the following does not show quaternary structure____________?


aHaemoglobin

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bPepsin

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cFibrin

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dInsulin

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View Answer Fibrin

Which structural organization is most common in globular proteins____________?


aPrimary

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bSecondary

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cTertiary

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dQuaternary

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View Answer Tertiary

Amphoixus is a__________?


aChordate

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bProtochordate

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cLower chordate

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dAll of these

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View Answer All of these

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