Advertisements
Advertisements
प्रश्न
Differentiate between Dicotyledonae and Monocotyledonae based on the following characters:
- Type of roots
- Venation in the leaves
- Symmetry of flower
Advertisements
उत्तर
| Characters | Dicotyledonae | Monocotyledonae | |
| a. | Type of roots | Tap roots | Fibrous roots |
| b. | Venation in the leaves | Reticulate venation | Parallel venation |
| c. | Symmetry of flower | Tetramerous or Pentamerous symmetry | Trimerous symmetry |
APPEARS IN
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?
Answer the following question.
Which of the following nuts will not be enclosed in fruits? What are the peculiar characteristics of these plants? Betel nut/ Areca nut, pine nut, walnut, almond, cashew nut, nutmeg.
Girth of a maize plant does not increase over a period of time. Justify.
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?
Draw a neat labelled diagram.
Funaria
Draw a neat labelled diagram.
Nephrolepis
Identify the plant groups on the basis of the following feature:
Spore producing plants
