Medullary rays are extra prominent in

Monocot stem

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Dicot stem

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Young dicot root

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Old dicot root

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Solution

The correct option is D Old dicot root

A. Monocot stem – medullary rays are absent.

B. Dicot stems – medullary rays are present

C. Young dicot root – medullary rays are absent.

D. Old dicot root – medullary rays are extra prominent. It is due to the occurrence of secondary growth.

So, the correct option is ‘Old dicot root’.

Suggest Corrections

Similar questions

Q. In which of herbaceous dicot, abnormal primary vascular bundles are found in the medullary region?

Q. Which of the following characters are not applicable to the anatomy of dicot stem?
(a) Collenchymatous hypodermis
(b) Polyarch xylem
(c) Presence of casparian strips on endodermis
(d) Open vascular bundle
(e) Presence of medullary rays.

Q. Pick u the wrong differences between dicot and monocot root.

	Character	Dicot Root	Monocot Root
(a)	Activity of pericycle	Lateral root production	Secondary growth and cambium
(b)	Vascular bundle	Diarch to tetrarch	Polyarch
(c)	Cambium	Lateral, developed	Absent
(d)	Pith	Well developed	Poorly developed

Which of the following characters are not applicable to the anatomy of the dicot stem?
I. Collenchymatous hypodermis
II. Polyarch xylem
III. The presence of casparian strips on the endodermis
IV. Open vascular bundle
V. The presence of medullary rays
Select the correct answer using the codes given below:

Q. Dicot stem differs from dicot roots in :-

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