Q. No.All the following are examples of secondary or lateral meristems except:
1.
Fascicular vascular cambium
2.
Intercalary meristem
3.
Interfascicular meristem
4.
Cork cambium
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In conjoint type of vascular bundles:
| I: | xylem and phloem are jointly situated on the same radius of vascular bundles. |
| II: | xylem is usually located on the outer side of the phloem. |
| 1. Only I is correct | 2. Only II is correct |
| 3. Both are correct | 4. Both are incorrect |
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Casparian strips are:
| 1. | waxy deposition of suberin on only the tangential walls of the endodermal cells |
| 2. | waxy deposition of suberin on only the radial walls of the endodermal cells |
| 3. | waxy deposition of suberin on both tangential and radial walls of the endodermal cells |
| 4. | waxy deposition of lignin on both tangential and radial walls of the endodermal cells |
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In a dicot root, the number of patches of xylem and phloem are usually:
| 1. | 2 to 4 | 2. | 4 to 6 |
| 3. | 6 to 8 | 4. | 8 to 10 |
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The term ‘stele’in a dicot root does not include:
| 1. | Endodermis | 2. | Pericycle |
| 3. | Vascular bundles | 4. | Pith |
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The xylem tissue in gymnosperms lacks:
1. Tracheids
2. Vessels
3. Xylem fibers
4. Xylem parenchyma
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Monocot root anatomy is different from the anatomy of dicot root in all the following aspects except:
1. More developed pith
2. Polyarch vascular bundles
3. Absence of secondary growth
4. Presence of multicellular root hairs
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The hypodermis of a dicotyledonous stem:
1. is parenchymatous and synthesizes and stores food
2. is collenchymatous and provides mechanical strength to the young stem
3. is sclerenchymatous and provides mechanical strength to the young stem
4. is parenchymatous and provides mechanical strength to the young stem
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In their phloem tissue, gymnosperms have:
1. Sieve cells and Companion cells
2. Albuminous cells and Sieve cells
3. Sieve tubes and Companion cells
4. Sieve tubes and Albuminous cells
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The ring arrangement of vascular bundles is a characteristic feature of:
| 1. | Monocot stem | 2. | Dicot stem |
| 3. | Monocot root | 4. | Dicot root |
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