Which one of the following is a vascular cryptogam? from Biolog

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 Multiple Choice QuestionsMultiple Choice Questions

21.

The scutellum observed in a grain of Wheat or maize is comparable to which part of the seed in other monocotyledons?

  • Cotyledon

  • Endosperm

  • Aleurone layer

  • Aleurone layer

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22.

Which one o0f the following is monoecious?

  • Marchantia

  • Cycas

  • Pinus

  • Pinus

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23.

Vegetative propagation in Pisitia occurs by 

  • stolen

  • offset

  • runner

  • runner

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24.

Mannitol is the stored food in of

  • Chara

  • Porphyra

  • Fucus

  • Fucus

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25.

The correct sequence of plants in a hydrosere is

  • Oak → Lantana → scirpus→Pistia→Hydrilla→Volvox

  • Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak

  • Pista → Volvox → Scirpus → Hydrilla → Oak → Lantana

  • Pista → Volvox → Scirpus → Hydrilla → Oak → Lantana

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26.

Vegetative propagation in mint occurs by 

  • runner 

  • offset

  • rhizome

  • rhizome

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27.

Which one of the following is a vascular cryptogam?

  • Equisetum 

  • Ginkgo

  • Marchantia

  • Marchantia


A.

Equisetum 

Out of these equiseta is a vascular cryptogam.

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28.

Which one of the following is considered important in the development of seed habit?

  • Dependent sporophyte

  • Heterospory

  • Haplontic life cycle

  • Haplontic life cycle

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29.

Examine the figure A, B, C, and D. In which one of the four options, all the items A, B, C and D are correct.

  • A

    B

    C

    D

    Chara

    Marchantia

    Fucus

    Pinus

  • A

    B

    C

    D

    Equisetum

    Ginkgo

    Selaginella

    Lycopodium

  • A

    B

    C

    D

    Selaginella

    Equisetum

    Salvinia

    Ginkgo

  • A

    B

    C

    D

    Selaginella

    Equisetum

    Salvinia

    Ginkgo

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30.

Which one of the following is heterosporous? 

  • Dryopteris 

  • Salvinia

  • Adiantum

  • Adiantum

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