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In the following questions, a statement of assertion (A) is followed by a statement of reason (R)

(1) If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark A

(2) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark B

(3) If Assertion is true statement but Reason is false, then mark C

(4) If both Assertion and Reason are false statements, then mark D

Assertion - Endarch is a condition of primary xylem in which metaxylem lies towards the periphery and protoxylem lies towards the pith of the plant.

Reason: The ray parenchymatous cells conduct water radially to the plant.


 

Option: 1

A


Option: 2

B


Option: 3

C


Option: 4

D


Answers (1)

best_answer
  • Primary xylem is divided into two types 
  1. Protoxylem - the xylem element which forms first.
  2. Metaxylem - the xylem element which forms later.
  • Endarch is a condition of primary xylem in which metaxylem lies towards the periphery and protoxylem lies towards the pith of the plant.
  • Xylem parenchyma cells store food materials in the form of fats, starch and tannins.The ray parenchymatous cells do water conduction radially to the plant.

Option  b is the correct answer. 

 

Posted by

sudhir.kumar

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