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%

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View Answer 2%

Final acceptor of electrons in respiratory chain is____________?


aNADH

✖


bCytochrome a3

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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

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cXanthophyll

✖


dCarotenes

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View Answer Chlorophyll a

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


aHydrophilic

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bHydrophobic

✓


cBoth of these

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dNone of these

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View Answer Hydrophobic

In alcoholic fermentation Pyruvic acid is broken down into?


aAcetaldehyde

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bMethyl alcohol

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cEthyl alcohol

✓


dLactic acid

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View Answer Ethyl alcohol

Deficiency of ___________ causes yellowing in plants?


aMagnesium

✓


bIron

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cChlorine

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dOxygen

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View Answer Magnesium

Chlorophylls mainly absorb _________ wavelengths?


aOrange – blue

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bViolet – red

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cYellow – orange

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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

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cOrange

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dGreen

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View Answer Yellow

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