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Science TNSB Mentoring
Class 10
Plant anatomy and physiology
Dicot–Monocot Structure and Tissue Organization
9.
Internal structure of monocot root
Question:
5
m.
Choose the correct answer:
1
.
More than eight exarch radial vascular bundles present in
Monocot root
Dicot root
Monocot leaf
Dicot leaf
2
.
In the cross-section of monocot roots, we observe
Polyarch exarch xylem and radial type of vascular bundle
Tetrarch exarch xylem and radial type of vascular bundle
Polyarch endarch xylem and conjoint type of vascular bundle
Monarch exarch xylem and radial type of vascular bundle
3
.
The mismatched pair among the following is
Lateral root - pericycle
Casparian band thickenings - Pericycle
Movement of water from the cortex to the xylem - Passage cells
Protoxylem directed towards periphery and metaxylem directed towards the centre - Exarch
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