Biology : PU-CET (U.G) 2016 Panjab University Entrance Exam With Answers

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50.

Mucilage Canals Of Cycas Stem Are :

A: Lysigenous

B: Schizogenous

C: Schizolysogenous

D: Filled With Tannin

The answer is: B

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Explanation

The mucilage canals of Cycas stem are schizogenous.

Schizogenous canals are formed by the separation or splitting of pre-existing cells in the stem tissue, which results in the formation of a canal. In Cycas stem, the mucilage canals are found in the cortex and pith region of the stem, and they are formed due to the separation of cells. These canals are filled with mucilage, which serves as a storage material. Therefore, the answer is B) Schizogenous.