| Statement I: | Parenchyma is living but collenchyma is dead tissue. |
| Statement II: | Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms. |
| Statement I: | In collenchyma, cell walls are thickened at corners due to deposition of cellulose, hemicellulose and pectin. |
| Statement II: | Sclerenchyma consists of lignified cell walls and possesses pits. |
| 1. | Sclereids | 2. | Fibres |
| 3. | Parenchyma | 4. | Collenchyma |
Which of the following is not a character of collenchyma tissue?
| 1. | They provide mechanical support to the growing part of the plant |
| 2. | They occur in layers below epidermis in dicotyledonous plants |
| 3. | They consist of cells with thick corners due to cellulose deposition |
| 4. | They are usually dead and without protoplasts |
| 1. | Parenchyma | 2. | Collenchyma |
| 3. | Sclerenchyma | 4. | Sclereid |