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प्रश्न
Radha observed a plant in rainy season on the compound wall of her school. The plant did not have true roots but rootlike structures were present. Vascular tissue was absent. To which group the plant may belong?
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उत्तर
The plant observed by Radha belongs may belong to division Bryophyta, as it shows root like structures i.e. rhizoids and absence of vascular tissue.
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संबंधित प्रश्न
Choose the correct option.
In Bryophytes ______.
Complete the following table.
| Groups of algae | Chlorophyceae | Phaeophyceae | Rhodophyceae |
| 1. Stored food | Starch | ||
| 2. Cell Wall | Cellulose and algin | ||
| 3. Major pigments | Chl- a, d and Phycoerythrin |
Answer the following question.
We observe that land becomes barren soon after monsoon. But in the next monsoon it flourishes again with varieties we observed in season earlier. How you think it takes place?
Answer the following question.
Chlamydomonas is microscopic whereas Sargassum is macroscopic; both are algae. Which characters of these plants includes them in one group?
Girth of a maize plant does not increase over a period of time. Justify.
Draw a neat labelled diagram.
Spirogyra
Draw a neat labelled diagram.
Chlamydomonas
Draw a neat labelled diagram.
Funaria
Identify the plant groups on the basis of the following feature:
Plant body undifferentiated into root, stem, and leaves
Identify the plant group on the basis of the following feature.
Plant needs water for fertilization
