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A conjoint an...

Question

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

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Solution

Dicot Stem

Vascular bundles are said to be open when cambium is present in between the xylem and phloem. Conjoint means the xylem and phloem are united and are present on the same radius.

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Q. Select the correct option:Figures X and Y represent the transverse sections of _______ and ________ respectively.

X	Y
(A) dicot root -	dicot stem
(B) monocot root -	monocot stem
(C) dicot stem -	monocot stem
(D) monocot stem -	dicot stem

Q. Assertion :Vascular bundles are conjoint, collateral and closed in dicot stem Reason: Vascular bundles are conjoint, collateral and open in monocot stem

Q. Differentiate between structure of vascular bundle of a dicot stem and a monocot root.

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. Arrange the following organs of angiosperms according to increasing number of vascular bundles in them.
(i) Monocot root
(ii) Monocot stem
(iii) Dicot root
(iv) Dicot stem

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