Biology MCQs

Page No. 89

In Glycin an amino acid R group is replaced by____________?


aH


bCH3


cCOOH


dC = O


View Answer H

Which of the following is the empirical formula of chlorophyll b?


aC55H70O5N4Mg


bC55H72O6N4Mg


cC55H70O6N4Mg


dC55H72O5N4Mg


View Answer C55H70O6N4Mg

Proteins are polymers of___________?


aFatty acids


bIsoprenoid units


cAmino acids


dNucleotides


View Answer Amino acids

Following possess bilateral symmetry as larva and radial symmetry as adult:


aChordata


bHydra


cEchinodermata


dHemichordata


View Answer Echinodermata

Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________?


ai & ii


biii & iv


ci ii iii & iv


div only


View Answer iv only

Adult birds normally possess only one functional____________?


aUreter


bOvary


cLung


dTestis


View Answer Ovary

Proteins comprise of ___________% of the total dry weight of a cell?


a40%


b50%


c60%


d70%


View Answer 50%

Double fertilization occurs in_________?


aAll plants


bAll seed plants


cGymnosperms


dAngiosperms


View Answer Angiosperms

The one which is incorrect pair?


aSori – Indusium


bArthrophytes – Jointed


cDichotomous – Vernation


dLycopods – Ground pries



Animals obtain carbohydrates mainly from___________?


aGlucose


bStarch


cSucrose


dGlycogen


View Answer Starch

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