- 1(current)
Q. No.Subtopic: Â Vascular Tissue System |
 90%
Level 1: 80%+
AIPMT - 2012
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In Dicots, Secondary growth is possible because of
| 1. | cambium |
| 2. | xylem and Phloem |
| 3. | Vascular bundle |
| 4. | Both 2. and 3. |
Subtopic: Â Vascular Tissue System |
 84%
Level 1: 80%+
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Radial vascular bundle arrangement is most common in
1. roots
2. stem, and roots
3. leaves
4. All of the above
Subtopic: Â Vascular Tissue System |
 83%
Level 1: 80%+
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Vascular bundles in monocotyledons are considered closed because:
| 1. | a bundle sheath surrounds each bundle |
| 2. | cambium is absent |
| 3. | there are no vessels with perforations |
| 4. | xylem is surrounded all around by phloem |
Subtopic: Â Vascular Tissue System |
 90%
Level 1: 80%+
NEET - 2015
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In dicot stem the vascular bundle is:-
| 1. | Conjoint, open and with exarch protoxylem. |
| 2. | Conjoint, open and with endarch protoxylem. |
| 3. | Conjoint and closed. |
| 4. | Scattered, each surrounded by a sclerenchymatous bundle sheath. |
Subtopic: Â Vascular Tissue System |
 81%
Level 1: 80%+
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In radial vascular bundle xylem and phloem are present on _____________radii and in an ___________manner.
| 1. | different and consecutive |
| 2. | same and alternate |
| 3. | different and alternate |
| 4. | same and consecutive |
Subtopic: Â Vascular Tissue System |
 76%
Level 2: 60%+
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The vascular bundle shown in the diagram is most likely to be seen in:
| 1. | Monocot stem | 2. | Dicot stem |
| 3. | Monocot root | 4. | Dicot root |
Subtopic: Â Vascular Tissue System |
 81%
Level 1: 80%+
Hints
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Conjoint open vascular bundles are present in
| 1. | stem of dicots only |
| 2. | stem of dicots and gymnosperms |
| 3. | stem of monocots and gymnosperms |
| 4. | stem of monocots only |
Subtopic: Â Vascular Tissue System |
 54%
Level 3: 35%-60%
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Some vascular bundles are described as open because these:
| 1. | are not surrounded by pericycle |
| 2. | are surrounded by pericycle but no endodermis |
| 3. | are capable of producing secondary xylem and phloem |
| 4. | possess conjunctive tissue between xylem and phloem |
Subtopic: Â Vascular Tissue System |
 81%
Level 1: 80%+
AIPMT - 2011
Hints
- 1(current)
Q. No.
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