In the dicot root, the vascular cambium originates from :
1. Tissue located below the phloem bundles, a portion of pericycle tissue, above the protoxylem
2. Cortical region
3. Parenchyma between endodermis and pericycle
4. Intrafascicular and interfascicular tissue in a ring
Secondary growth is best observed in
1. Teak and Pine
2. Deodar and Fern
3. Wheat and maiden Hair Fern
4. Sugarcane and Sunflower
Plants having little or no secondary growth are
1. | Grasses | 2. | Cycads |
3. | Conifers | 4. | Deciduous angiosperms |
The cross-section shown in the given diagram shows the structure of a:
1. | Monocot stem | 2. | Monocot root |
3. | Dicot root | 4. | Dicot stem |
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