Biology MCQs

Page No. 79

The size of smallest virus is______________?


a10 nm

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b20 nm

✓


c30 nm

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d40 nm

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View Answer 20 nm

The one which is present in all aerobic species is _________?


aCytohrome c

✓


bCytochrome a

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cCytochrome a3

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dCytochrome b

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View Answer Cytohrome c

The word virus is derived from Latin word venome meaning____________?


aSweet fluid

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bSore Fluid

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cPoisonous Fluid

✓


dSalty Fluid

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View Answer Poisonous Fluid

Competition between species will be greatest if they attempt to occupy the same___________?


aEcosystem

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bCommunity

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cHabitat

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dNiche

✓


View Answer Niche

Amoeba belongs to which kingdom______________?


aProkaryotae

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bPlantae

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cMonera

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dProtista

✓


View Answer Protista

Animals with greatest number of similarities are grouped together in a/an___________?


aPhylum

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bFamily

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cGenus

✓


dOrder

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View Answer Genus

Other name for Kingdom monera is_______________?


aProtoctista

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bProkaryotae

✓


cArchae

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dNone of these

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View Answer Prokaryotae

Which of the following relationship is NOT an example of symbiosis?


aRhizobium and leguminous plants

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bMarchantia sporophyte and gametophyte

✓


cAlgae and fungi in a lichen

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dMycorrhizal fungi and tree roots

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In most ecosystems the greatest amount of energy flows through the____________?


aSecondary consumers

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bHerbivores

✓


cCarnivores

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dDecomposers

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View Answer Herbivores

DNA or RNA of viruses is enclosed in _______________ coat?


aProtein

✓


bCarbohydrate

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cLipid

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dDNA

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View Answer Protein

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