Given below are two statements: Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body. Statement II: Exarch condition is the most common feature of the root system. In the light of the above statements, choose the correct answer from the options given below:

Question

Given below are two statements: Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body. Statement II: Exarch condition is the most common feature of the root system. In the light of the above statements, choose the correct answer from the options given below:, Statement I is incorrect but Statement II is true., Both Statement I and Statement II arre true., Both Statement I and Statement II are false., Statement I is correct but Statement II is false.

MARKS App · Accepted Answer

Primary xylem is of two types – protoxylem and metaxylem. Arrangement of protoxylem and metaxylem: In stems, the protoxylem lies towards the centre (pith) and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called endarch. In roots , the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called exarch .

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