Transition of exarch bundles of root to endarch bundles of stem occurs in:
1. Epicotyl
2. Hypocotyl
3. Apical bud
4. Coleoptile
Vessels are found in:
1. | All angiosperms and some gymnosperm |
2. | Most of the angiosperm and few gymnosperms |
3. | All angiosperms, all gymnosperms, and some Pteridophyta |
4. | All pteridophyta |
Which of the following statement is true:
1. Vessels are multicellular and with a wide lumen
2. Tracheids are multicellular and with a narrow lumen
3. Vessels are unicellular and with a narrow lumen
4. Tracheids are unicellular and with a wide lumen