Dicot stem share a common feature with monocot stem that is both have
| 1. | Well developed large pith |
| 2. | Conjoint vascular bundles |
| 3. | Open vascular bundles |
| 4. | Pericycle and endodermis |
Water containing cavities in the vascular bundle is a characteristics feature of
| 1. | Dicot roots | 2. | Monocot stems |
| 3. | Monocot leaves | 4. | Dicot stems |
Which of the following is related to tracheids?
| 1. | Deposition of suberin on cell wall |
| 2. | Found in gymnosperms only |
| 3. | Dead cell without protoplsm |
| 4. | Helps in radial conduction of water |
All of the given characteristics are related to parenchyma tissue except
1. Composed of living cells
2. Generally isodiametric cells
3. Cell wall is mainly made up of suberin
4. Either closely packed cells with no intercellular spaces or have small intercellular spaces
The stomata are equally distributed on both the surfaces of the epidermis in
| 1. | Dorsiventral leaf |
| 2. | Dicot stem |
| 3. | Isobilateral leaf |
| 4. | Dicot root |
Which of the following plays an important role in lateral root growth in dicot root?
| 1. | Endodermis | 2. | Pericycle |
| 3. | Hypodermis | 4. | Intrafascicular cambium |
Which of the following statements is not true for stomatal apparatus?
| 1. | Inner walls of guard cells are thick |
| 2. | Guard cells invariably possess chloroplasts and mitochondria |
| 3. | Guard cells are always surrounded by subsidiary cells |
| 4. | Stomata are involved in gaseous exhange |
Which among the following cannot be a feature of given diagram?

| 1. | It is a long cylindrical tube like structure |
| 2. | Having lignified walls |
| 3. | having large central cavity |
| 4. | Having protoplasm |
Well developed pith is present in
1. Dicot stem, monocot root
2. Monocot stem, dicot root
3. Dicot root, dicot stem
4. Monocot root, monocot stem
Mark the incorrect statement with respect to guard cells in stomata
| 1. | In grasses these are dumb-bell shaped |
| 2. | They possess chloroplasts |
| 3. | Regulate opening and closing of stomata |
| 4. | Outer walls are thick and inner walls are thin in dicots |