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The archegonia of a fern prothallus…… PowerPoint PPT Presentation


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The archegonia of a fern prothallus……. Are normally found among the rhizoids. Are normally found around the notch at the top of the thallus. Are found on separate prothalli from the antheridia. Are found within the sori of the frond.

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The archegonia of a fern prothallus l.jpg

The archegonia of a fern prothallus……

  • Are normally found among the rhizoids.

  • Are normally found around the notch at the top of the thallus.

  • Are found on separate prothalli from the antheridia.

  • Are found within the sori of the frond.


In mosses and ferns the dominant generation in the life cycle is the l.jpg

In mosses and ferns, the dominant generation in the life cycle is the…

  • Sporophyte

  • Gametophyte


The rhizoids of a fern are found l.jpg

The rhizoids of a fern are found..

  • At the base of the frond

  • On the prothallus

  • As part of the protonema

  • On the sporophyte


Slide4 l.jpg

During the life cycle of a typical conifer, the pollen tube grows down through the style to reach the archegonium.

  • True

  • False


The sporophylls of conifers are usually arranged in strobili l.jpg

The sporophylls of conifers are usually arranged in strobili.

  • True

  • False


Which of the following tissues of flowering plants is diploid l.jpg

Which of the following tissues of flowering plants is diploid?

  • Generative nucleus

  • Sperm nucleus

  • Integument

  • Synergid

  • Endosperm nucleus


An ovary usually develops into a seed l.jpg

An ovary usually develops into a seed.

  • True

  • False


A common name for members of the division psilophyta is l.jpg

A common name for members of the division Psilophyta is….

  • Horsetail

  • Quillwort

  • Hornwort

  • Whisk fern

  • Liverwort


A compound ovary l.jpg

A compound ovary….

  • Consists of more than one carpel

  • Contains no more than one ovule

  • Develops into more than one fruit


Primitive flowers l.jpg

Primitive flowers…..

  • Are usually bilaterally symmetrical.

  • Usually have inferior ovaries

  • Show fusion of parts

  • None of the above


Marchantia reproduces asexually by l.jpg

Marchantia reproduces asexually by…..

  • Gemmae

  • Antheridia

  • Sporocytes

  • Soredia

  • Protonemata


The result of meiosis in the microsporocytes of angiosperms is l.jpg

The result of meiosis in the microsporocytes of angiosperms is…

  • 4 diploid cells

  • 8 diploid nuclei

  • 4 haploid cells

  • 8 haploid nuclei


Fruits that develop from ovaries with unfertilized eggs are called l.jpg

Fruits that develop from ovaries with unfertilized eggs are called..

  • Epigynous

  • Inferior

  • Apomictic

  • Parthenocarpic


Which of the following is not a diploid l.jpg

Which of the following is not a diploid?

  • Moss protonema

  • Fern frond

  • Pine cone

  • Oak tree

  • Liverwort thallus


Gymnoperms with vessels in their xylem are l.jpg

Gymnoperms with vessels in their xylem are….

  • Pines

  • Spruces

  • Ginkgoes

  • Gnetophytes

  • Cycads


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