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Conjoint

Monocot roots...

Question

Monocot roots differ from dicot roots in having

A

Open vascular system

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B

Presence of root hair

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C

Number of xylem / phloem strands

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D

Presence of cortex

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Solution

The correct option is C Number of xylem / phloem strands
Most of the features of the dicot and monocot roots are similar except the vascular bundles. In the dicot root, there are 2-6 bundles of xylem and phloem alternating whereas in monocots the number of xylem and phloem strands are more than 8. Further, the xylem vessels in dicots are polygonal and those of monocots are oval.
Therefore, the correct answer is option C.

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Similar questions

A conjoint and open vascular bundle will be observed in the transverse section of

(a) monocot root

(b) monocot stem

(c) dicot root

(d) dicot stem

Q. Find out the correct and incorrect statements.
(a) In dicot root, the vascular bundles are collateral and endarch
(b) Inner most layer of cortex in a dicot root is endodermis
(c) In dicot root, phloem and xylem bundles are separated by conjuctive tissue.

Q. Assertion :Radial vascular bundle is the characteristic of majority of the roots including dicots and monocots. Reason: Monocot stem is characterized by collatral open vascular bundle.

Q. Consider the following statements.
(a) In a dicot root, the vascular bundles are collateral and endarch.
(b) The inner most layer of cortex in a dicot root is endodermis.
(c) In a dicot root, the phloem masses are separated from the xylem by conjunctive tissue.
Of the above given statements

Q. Consider the following statements.
I. In a dicot root, the vascular bundles are collateral and endarch.
II. The innermost layer of cortex in a dicot root is endodermis.
Ill. In a dicot root, the phloem masses are separated from the xylem by parenchymatous cells that are known as the conjunctive tissue.
Choose the correct option.

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