Biology MCQs

Page No. 62

The radial symmetry is found in the animals of___________?


aProtozoa

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bPorifera

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cCnidaria

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dAll of these

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View Answer Cnidaria

All of the following are coelomates except:____________?


aDeuterosomes

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bProterosomes

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cHemichordates

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dAschelminthes

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View Answer Aschelminthes

Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called_____________?


aNucleus

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bChromosome

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cChromatid

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dChromatin body

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View Answer Chromatin body

Gram positive bacteria appear_______________?


aPurple

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bRed

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cPink

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dBlue

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View Answer Purple

Cell wass of Archaeobacteria does not contain_____________________?


aPeptidoglycan

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bProteins

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cGlycoproteins

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dPolysaccharides

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View Answer Peptidoglycan

Cell wall is absent in___________?


aCocci

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bBacilli

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cMycobacterium

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dMycoplasma

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View Answer Mycoplasma

Which of the following structure primarily helps in attachment of bacteria on various surfaces____________?


aFlagella

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bPili

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cBoth of these

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dNone of these

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View Answer Pili

Which of the following structure provides greater pathogenicity to the bacteria__________?


aCapsule

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bSlime

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cCell Wall

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dCell membrane

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View Answer Slime

Flagella originate from_______________?


aCell membrane

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bCell wall

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cCapsule

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dBasal body

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View Answer Basal body

A bacterium with tuft of flagella at both poles is called_____________?


aLophotrichus

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bMonotrichous

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cPeritrichous

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dAmphitrichous

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View Answer Amphitrichous

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