MCQ
Cork cambium is a
- ✓Secondary meristem
- BPrimary meristem
- CApical meristem
- DIntercalary meristem
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$a.$ Memory
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$c.$ Blood pressure
| | Column I | Column II | |
| A. | Porifera | i. | Canal system |
| B. | Aschelminthes | ii. | Water-vascular system |
| C. | Annelida | iii. | Muscular pharynx |
| D. | Arthropoda | iv. | Jointed appendages |
| E. | Echinodermata | v. | Metameres |
| Column $-I$ (Classes) |
Column $-II$ (Examples) |
||
| $A$ | Psilotopsida | $I$ | Dryopteris, Pteris, Adiantum |
| $B$ | Lycopsida | $II$ | Equisetum |
| $C$ | Sphenopsida | $III$ | Selaginella |
| $D$ | Pteropsida | $IV$ | Lycopodium |
| $V$ | Psilotum |