Biology MCQs

Page No. 40

Chlorophylls are found embedded in the __________ membranes?


aStroma

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bGrana

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cThylakoid

✓


dIntergrana

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View Answer Thylakoid

The dense fluid filled region in the chloroplast is____________?


aGrana

✖


bStroma

✓


cThylakoid

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dNone of these

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View Answer Stroma

Photosystem II has molecules which absorbs maximum light of___________?


a680 nm

✓


b100 m

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c700 nm

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d670 nm

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View Answer 680 nm

In all plants the major sites of phosynthesis are___________?


aLeaves respire and utilize O2 and release CO2.

✓


bStems

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cRoots

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dBranches

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Of the following, which one light – gathering?


aAntenna complex

✓


bReaction centre

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cPhotosystem

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dNone of these

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View Answer Antenna complex

Thylakoids in chloroplasts are stacked into___________?


aGrana

✓


bStroma

✖


cNucleus

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dNone of these

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View Answer Grana

NADPH2 provides___________?


aassimilatory power

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bchemical energy

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cenergized electrons

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dAll of these

✓


View Answer All of these

Light reaction takes place on/in____________?


aThylakoid

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bStorma

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cChloroplast

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dGrana

✓


View Answer Grana

Reduction in photosynthesis is of____________?


aO2

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bCO2

✓


cH2O

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dlight energy

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View Answer CO2

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


aChlorophyll a

✓


bChlorophyll b.

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cChlorophyll c

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dChlorophyll d.

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View Answer Chlorophyll a

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