Biology MCQs

Page No. 53

Which of the following statement about alternation of generation in bryophytes is incorrect?


aIt involves alternation of morphologically different generations

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bTheir gametophyte is independent while sporophyte depends upon gametophyte for nutrition

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cBoth the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization

✓


dSpore formation occurs through meiosis

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The dichotomously branching system has shape similar to________________?


aU

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bR

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cY

✓


dFork

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View Answer Y

In bryophytes fertilization takes place in___________?


aAntheridia

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bArchegonia

✓


cwater

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dOvule

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View Answer Archegonia

Megaphylls are characteristic for____________?


aFerns

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bSeed plants

✓


cBoth of these

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dNone of these

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View Answer Seed plants

Horsetails are included in class of____________?


aSphenopeida

✓


bLycopsida

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cPsilopsida

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dPteropsida

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View Answer Sphenopeida

Of the following which one is not the characteristic of the plants included in psilopsida_____________?


aGametophyte is colourless

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bThey have mycorrhizal association

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cRhizoids bear Rhizome

✓


dAerial branches have veinless outgrowths

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View Answer Rhizoids bear Rhizome

Hornwarts are included in sub-class of __________?


aAnthoceropsida

✓


bBryopsida

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cHepaticopsida

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dPsilopsida

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View Answer Anthoceropsida

Today the land habitat is dominated by__________________?


aFungi

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bGymnosperms

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cAngiosperms

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dTracheophytes

✓


View Answer Tracheophytes

Bryophtes are called amphiabians of plant world because:


aBryophytes like amphibian ancestors are one of the most primitive organisms in this world.

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bBryophytes like amphibian live in damp shady places and close to water body.

✓


cAmphibians have close relation with bryophytes in their habitat.

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dAll of these

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Equistem is an example of___________?


aPsilopsida

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bLycopsida

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cSphenopsida

✓


dPrteropsida

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View Answer Sphenopsida

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