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Q. No.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
Subtopic: Anatomy of Root |
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The term ‘stele’in a dicot root does not include:
| 1. | Endodermis | 2. | Pericycle |
| 3. | Vascular bundles | 4. | Pith |
Subtopic: Anatomy of Root |
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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 |
Subtopic: Anatomy of Root |
71%
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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 |
Subtopic: Dicot Stem |
86%
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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 |
Subtopic: Dicot Stem |
83%
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Which of the following is a feature of the anatomy of a monocot stem?
| I: | Collenchymatous hypodermis |
| II: | Scattered vascular bundles |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Monocot Stem |
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In a monocot stem:
| 1. | Each vascular bundle is surrounded by a sclerenchymatous bundle sheath |
| 2. | Ground tissue is very poorly developed |
| 3. | Vascular bundles are conjoint and open with water containing cavities |
| 4. | Phloem parenchyma is present |
Subtopic: Monocot Stem |
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Root hairs are:
1. unicellular extensions of subsidiary cells
2. unicellular elongations of epidermal cells
3. unicellular elongations of ground tissue cells
4. appendages of the cuticle
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Identify the tissue system from among the following:
| 1. Parenchyma | 2. Xylem |
| 3. Epidermis | 4. Phloem |
Subtopic: Epidermal Tissue System |
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Subtopic: Anatomy of Root |
88%
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