Biology MCQs

Page No. 94

The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called___________?


aSpecific Heat of Vaporization


bSpecific Heat capacity


cCaloric Heat


dBoth A and C



The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is_______________?


aHigh specific heat of vaporization


bHigh specific heat capacity


cIts Dipole nature


dIts liquid state



Carbon atom is_____________?


aMonovalent


bDivalent


cTrivalent


dTetravalent


View Answer Tetravalent

Which one is an organic compound_____________?


aCO2


bWater


cLipids


dHCI


View Answer Lipids

Which chemical component has the greatest contribution in the total mammalian cell weight__________?


aProteins


bCarbohydrate


cLipids


dWater


View Answer Water

The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called_________________?


aBiochemistry


bBiochemistry


cMolocular biology


dBoth a and b


View Answer Biochemistry

Which chemical component has the same % in bacterial as well as the mammalian cell_____________?


aWater


bCarbohydrate


cProteins


dLipids


View Answer Water

Reactions in which simple substances are combined to form complex substances are called_____________?


aMetabolic reactions


bCatabolic reactions


cAnabolic reactions


dNone of these


View Answer Anabolic reactions

Which one is the basic element of organic compounds _________________?


aOxygen


bHydrogen


cSulphur


dCarbon


View Answer Carbon

The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________?


aIonic bond


bHydrogen bond


cCovalent bond


dElectrovalent bond


View Answer Covalent bond

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