Which of the following is true about bryophytes? [1999]a)They possess ...
Bryophytes are non vascular embryophytes characterized by the presence of an independent gametophyte and a parasitic sporophyte. Plant body is either thalloid or foliose. Archegonium is the flask shaped female sex organ. They bear chloroplast.
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Which of the following is true about bryophytes? [1999]a)They possess ...
Mosses and liverworts are lumped together as Bryophytes. Plant body is thalloid, lacking true vascular tissues, and sharing a number of other primitive traits. Bryophytes are autorophic as they contain chloroplast. The leafy green plant is really the gametophyte, which is the dominant stage in all Bryophytes. The sporophytes do not have a free-living existence. They grow directly out of the fertilized egg in the archegonia, and remain dependent on the parent gametophyte for their nutrition Archegonia evolved for the first time in bryophytes in the plant kingdom. Hence the correct option is D.
Which of the following is true about bryophytes? [1999]a)They possess ...
Overview of Bryophytes:
Bryophytes are a group of non-vascular plants that include mosses, liverworts, and hornworts. They are small, primitive plants that lack specialized tissues for transporting water and nutrients. Here are some key points about bryophytes:
Characteristics of Bryophytes:
- They possess archegonia: Bryophytes have specialized structures called archegonia, which are responsible for producing eggs. These structures are essential for sexual reproduction in bryophytes.
- They contain chloroplasts: Like all plants, bryophytes contain chloroplasts, the organelles responsible for photosynthesis. Chloroplasts contain chlorophyll, the pigment that gives plants their green color and allows them to capture sunlight for energy.
- They are thalloid: Bryophytes exhibit a thalloid body plan, meaning they lack true roots, stems, and leaves. Instead, they have simple, undifferentiated structures that perform basic functions like anchoring the plant and absorbing water.
- All of these: Therefore, the statement "All of these" is true about bryophytes. They possess archegonia, contain chloroplasts, and have a thalloid body plan.
In conclusion, bryophytes are simple plants with unique characteristics that distinguish them from vascular plants. They play important ecological roles in various habitats and serve as indicators of environmental health.
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