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Q. No.The term ‘stele’in a dicot root does not include:
1.
Endodermis
2.
Pericycle
3.
Vascular bundles
4.
Pith
Subtopic: Anatomy of Root |
80%
Level 1: 80%+
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The xylem tissue in gymnosperms lacks:
1. Tracheids
2. Vessels
3. Xylem fibers
4. Xylem parenchyma
Subtopic: Complex Tissue: Xylem |
83%
Level 1: 80%+
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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 |
84%
Level 1: 80%+
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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 |
82%
Level 1: 80%+
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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 |
71%
Level 2: 60%+
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The apical meristems in the plants:
| 1. | occur at the tips of both roots and shoots and produce primary tissues |
| 2. | occur at the tip of root and base of the stem and produce secondary tissues |
| 3. | occur at the base of root and tip of the stem and produce primary tissues |
| 4. | occur at the tips of both roots and shoots and produce secondary tissues |
86%
Level 1: 80%+
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In stems:
| 1. | the primary xylem is endarch with protoxylem towards the center and metaxylem towards the periphery |
| 2. | the primary xylem is endarch with metaxylem towards the center and protoxylem towards the periphery |
| 3. | the primary xylem is exarch with protoxylem towards the center and metaxylem towards the periphery |
| 4. | the primary xylem is exarch with metaxylem towards the center and protoxylem towards the periphery |
Subtopic: Complex Tissue: Xylem |
83%
Level 1: 80%+
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A conjoint and open vascular bundle will be observed in the transverse section of
| 1. | Monocot root | 2. | Monocot stem |
| 3. | Dicot root | 4. | Dicot stem |
Subtopic: Dicot Stem |
84%
Level 1: 80%+
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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 |
Subtopic: Vascular Tissue System |
75%
Level 2: 60%+
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All the following are examples of secondary or lateral meristems except:
1. Fascicular vascular cambium
2. Intercalary meristem
3. Interfascicular meristem
4. Cork cambium
1. Fascicular vascular cambium
2. Intercalary meristem
3. Interfascicular meristem
4. Cork cambium
78%
Level 2: 60%+
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