Biology MCQs

Page No. 80

All of the following are involved in nitrification except


aNitrobacter


bNitrosomonas


cRhizohium


dAll of these


View Answer Rhizohium

Which of the following organisms have Chitin as a major structural component of their cell wall________________?


aProkaryotae


bProtoctista


cPlantae


dFungi


View Answer Fungi

What is the characteristic feature of consumers?


aAutotroph


bHeterotroph


cParasite


dParasite


View Answer Heterotroph

So far over _____________ number of species of animals are known?


amillion


b1 million


c1


d2 million


View Answer 1

The greatest diversity of animals in the lake is found in which one of the following zones?


aLimmnetic zone


bLittoral zone


cProfundal zone


dNone of these


View Answer Littoral zone

The word which E-Chatton suggested for bacteria and blue green algae was_____________?


aAutotrophs


bHeterotrophs


cPro-cariotique


dEu-cariotique


View Answer Pro-cariotique

Scurvy and beri – beri and caused by the deficiency of___________?


aVitamin B and C


bVitamin B and D


cVitamin C and B


dVitamin A and B


View Answer Vitamin C and B

The structure which has been formed or modified from gill pouches in humans is___________?


aGills


bEustachian tube


cMiddle ear


dLungs


View Answer Eustachian tube

Solanum tuberosum is a scientific name of___________?


aOnion


bAmaltas


cPotato


dTomato


View Answer Potato

Those organisms which can prepare their own food from simple inorganic material and can store energy are called___________?


aAutotrophs


bHeterotrophs


cProcariotique


dEu-cariotique


View Answer Autotrophs

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