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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Plant Physiology
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Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:Rhizobial aggregates have been observed at distinct sites on curled root hairs }\\\text{Reason:The infection thread is formed by a process of invagination of the hair cell walls in the region of curling}\end{array}$

$\begin{array}{1 1}(A)\;\text{Both assertion and reason are true and the reason is a correct explanation of the assertion}\\(B)\;\text{Both assertion and reason are true but reason is not a correct explanation of the assertion}\\(C)\;\text{Assertion is true but the reason is false}\\(D)\;\text{Both assertion and reason are false}\end{array} $

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Both assertion and reason are true and the reason is a correct explanation of the assertion
Hence (A) is the correct answer.
answered Apr 4, 2014 by sreemathi.v
 

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