- 1(current)
Q. No.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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Subtopic: Â Vascular Tissue System |
 90%
Level 1: 80%+
AIPMT - 2012
Hints
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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