Biology MCQs

Page No. 40

Chlorophylls are found embedded in the __________ membranes?


aStroma


bGrana


cThylakoid


dIntergrana


View Answer Thylakoid

The dense fluid filled region in the chloroplast is____________?


aGrana


bStroma


cThylakoid


dNone of these


View Answer Stroma

Photosystem II has molecules which absorbs maximum light of___________?


a680 nm


b100 m


c700 nm


d670 nm


View Answer 680 nm

In all plants the major sites of phosynthesis are___________?


aLeaves respire and utilize O2 and release CO2.


bStems


cRoots


dBranches



Of the following, which one light – gathering?


aAntenna complex


bReaction centre


cPhotosystem


dNone of these


View Answer Antenna complex

Thylakoids in chloroplasts are stacked into___________?


aGrana


bStroma


cNucleus


dNone of these


View Answer Grana

NADPH2 provides___________?


aassimilatory power


bchemical energy


cenergized electrons


dAll of these


View Answer All of these

Light reaction takes place on/in____________?


aThylakoid


bStorma


cChloroplast


dGrana


View Answer Grana

Reduction in photosynthesis is of____________?


aO2


bCO2


cH2O


dlight energy


View Answer CO2

Which of the following pigment is Blue- green in colour?


aChlorophyll a


bChlorophyll b.


cChlorophyll c


dChlorophyll d.


View Answer Chlorophyll a

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