Biology MCQs

Page No. 52

The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called_____________?


aOvertopping

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bFusion

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cWebbing

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dPlanation

✓


View Answer Planation

Mosses are included in sub-division of ___________?


aAnthoceropsida

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bHepaticopsida

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cBryopsida

✓


dLycopsida

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View Answer Bryopsida

Megaphylls i.e. leaves with divided veins with an expanded lamina is a dharacteristic of ___________________?


aLycopods

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bFerns

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cSeed plants

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dBoth b and c

✓


View Answer Both b and c

Which of the following plant group first formed true leaves________________?


aPsilopsida

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bLycopsida

✓


cSphenopsida

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dPteropsida

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View Answer Lycopsida

Sporophyte is____________?


aMonoploid

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bHaploid

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cDiploid

✓


dPolyploidy

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View Answer Diploid

Ground pries are also known as___________?


aLycopods

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bSpike mosses

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cBoth of these

✓


dNone of these

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View Answer Both of these

The zygote formed in liverworts is___________?


aUnicellular

✓


bMulicellular

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cMultinucleate

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dNone of these

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View Answer Unicellular

Antherozoids the male gamete in bryophytes are attracted towards Archegonium i.e. female sex organ by____________?


aPhototactic phenomenon

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bChemotactic phenomenon

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cGeotropic phenomenon

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dChemotropic movement

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Production of two types of spores is known as________________?


aHeterospory

✓


bHomospory

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cHeterogamy

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dGamospory

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View Answer Heterospory

The space between the overtopped dichotomous branches was occupies by a sheet of _________ cells during evolution of megaphyllas?


aSclerenchyma

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bChlorenchyma

✓


cParenchyma

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dCollenchyma

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View Answer Chlorenchyma

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