Multiple Choice Questions

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Which one o0f the following is monoecious?

  • Marchantia

  • Cycas

  • Pinus

  • Pinus


C.

Pinus

Pinus is a monoecious gymnospermic plant, ie, both male and female cones occur on the same plant. 

Marchantia (bryophyte), Cycas (gymnosperm) and date palm (angiosperm) all are dioecious plants, ie, male and female plants are separate.

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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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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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Which one of the following is a vascular cryptogam?

  • Equisetum 

  • Ginkgo

  • Marchantia

  • Marchantia

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Mannitol is the stored food in of

  • Chara

  • Porphyra

  • Fucus

  • Fucus

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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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Vegetative propagation in mint occurs by 

  • runner 

  • offset

  • rhizome

  • rhizome

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Vegetative propagation in Pisitia occurs by 

  • stolen

  • offset

  • runner

  • runner

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Which one of the following is heterosporous? 

  • Dryopteris 

  • Salvinia

  • Adiantum

  • Adiantum

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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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