Biology MCQs

Page No. 80

All of the following are involved in nitrification except


aNitrobacter

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bNitrosomonas

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cRhizohium

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dAll of these

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View Answer Rhizohium

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


aProkaryotae

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bProtoctista

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cPlantae

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dFungi

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View Answer Fungi

What is the characteristic feature of consumers?


aAutotroph

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bHeterotroph

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cParasite

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dParasite

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View Answer Heterotroph

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


amillion

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b1 million

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c1

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d2 million

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View Answer 1

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


aLimmnetic zone

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bLittoral zone

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cProfundal zone

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dNone of these

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View Answer Littoral zone

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


aAutotrophs

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bHeterotrophs

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cPro-cariotique

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dEu-cariotique

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View Answer Pro-cariotique

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


aVitamin B and C

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bVitamin B and D

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cVitamin C and B

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dVitamin A and B

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View Answer Vitamin C and B

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


aGills

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bEustachian tube

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cMiddle ear

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dLungs

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View Answer Eustachian tube

Solanum tuberosum is a scientific name of___________?


aOnion

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bAmaltas

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cPotato

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dTomato

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View Answer Potato

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


aAutotrophs

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bHeterotrophs

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cProcariotique

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dEu-cariotique

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View Answer Autotrophs

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