Question
Differentiate between primary and secondary meristems.
| | Primary meristem | Secondary meristem |
| 1 | It appears early in the life of a plant, from the embryonic stage. | It appears later in the life of a plant from permanent or mature cells. |
| 2 | It helps in the formation of primary tissues of the plant body. | It helps in the formation of secondary tissues. |
| 3 | It allows the growth in length of plants. e.g. apical and intercalary meristems. | It allows the growth in thickness/ diameter of the plants. e.g. Interfascicular cambium and cork cambium. |
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| S. No | Column I | S. No | Column II |
| (a) | Neutrophils | 1. | Allergic reactions. |
| (b) | Erythrocytes | 2. | Inflammatory reactions. |
| (c) | Basophils | 3. | Phagocytosis. |
| (d) | Eosinophils | 4. | Transport of oxygen. |