Plant Body Differentiation Analysis
Plant bodies can be broadly categorized based on differentiation. Some plants exhibit distinct structures like roots, stems, and leaves, while others have a simpler, undifferentiated body structure known as a thallus.
Analyzing Plant Options
Let's examine the options to see which plant body lacks differentiation into roots, stems, and leaves:
- Fern: Ferns are vascular plants possessing true roots, stems, and leaves.
- Marsilea: Marsilea, a type of water fern, also has differentiated root, stem, and leaf structures.
- Chara: Chara belongs to the green algae group. While it has a complex structure resembling stems and leaves, its body is fundamentally a thallus and is not differentiated into true roots, stems, and leaves. It lacks vascular tissues.
- Deodar: Deodar is a gymnosperm (conifer), a highly evolved plant with clear differentiation into roots, stems, and leaves.
Identifying Non-differentiated Plant
Based on the analysis, the plant body that is NOT differentiated into roots, stems, and leaves is Chara.
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Important Questions from Botany
One advantage of sexual reproduction over asexual reproduction is that it helps species to survive over long evolutionary time. This is because sexual reproduction produces :
During a laboratory experiment, a student immerses epidermal leaf peel in a hypertonic solution. After some time, the student examined the cells under a microscope and observed that:
The breakdown of glucose in cytoplasm results in the formation of
After fertilization, the fruit and the seed are produced by
- Which one of the following groups is called 'amphibians of plant kingdom'?
