Biology MCQs

Page No. 39

In Anaerobic respiration only __________ % of the energy present within the chemical bond of glucose is converted into ATP?


a1%


b2%


c3%


d4%


View Answer 2%

Final acceptor of electrons in respiratory chain is____________?


aNADH


bCytochrome a3


cWater


dOxygen


View Answer Oxygen

In which of the following component of the body, lactic acid fermentation takes place?


aBrain


bHeart


cLiver


dMuscles


View Answer Muscles

The most important photosynthetic pigment is ___________?


aChlorophyll a


bChlorophyll b


cXanthophyll


dCarotenes


View Answer Chlorophyll a

The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as___________?


aHydrophilic


bHydrophobic


cBoth of these


dNone of these


View Answer Hydrophobic

In alcoholic fermentation Pyruvic acid is broken down into?


aAcetaldehyde


bMethyl alcohol


cEthyl alcohol


dLactic acid


View Answer Ethyl alcohol

Deficiency of ___________ causes yellowing in plants?


aMagnesium


bIron


cChlorine


dOxygen


View Answer Magnesium

Chlorophylls mainly absorb _________ wavelengths?


aOrange – blue


bViolet – red


cYellow – orange


dOrange – red.


View Answer Orange – red.

Complete breakdown of glucose molecule takes place in which of the following?


aAlcoholic fermentation


bLactic acid fermentation


cAerobic respiration


dAll of these


View Answer Aerobic respiration

Xanthophylls are _________ pigments


aYellow


bRed


cOrange


dGreen


View Answer Yellow

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