Biology MCQs

Page No. 1

Oxygen is the production of____________?


aMitochonderia


bChloroplast


cPeroxisomes


dBoth A & B


View Answer Chloroplast

The number carpels in our feet is__________?


a7


b14


c16


d0


View Answer 0

Genetic information carriers is/are____________?


aDNA


bChromosomes


cGene


dNucleus


View Answer Chromosomes

Term the time during which an orgnism is present in the body before causing disease ?


aRest period


bIncubation period


cSleeping period


dInclubation time


View Answer Incubation period

__________is a condition in which there is an absence of oxygen supply to an organ’s tissues?


aAnoxia


bAnorexia


cHypoxia


dEnuresis


View Answer Anoxia

Study of interaction of living organisms with other organisms and their environment relates with ___________ ?


aBotany


bEcology


cSocial biology


dPharmacology


View Answer Ecology

Dorsal root of spinal nerves contain only __________ ?


aEffectors neurons


bReceptor neurons


cStimulators


dDetector neurons


View Answer Receptor neurons

The higher animals have special organs for exchange of gases as their skin is ___________ ?


aThin


bThick


cSoft


dHard


View Answer Thick

Circular disc shaped structure with a round hole is ___________ ?


aIris


bPupil


cHoroid coat


dCiliary body


View Answer Iris

The first ever vascular plants are_________?


aCooksonia


bSelaginella


cAdiantum


dDryopteris


View Answer Cooksonia

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