| Read the assertion and reason carefully: |
| Assertion : Old root hairs are replaced by new ones. |
| Reason : Outer cells of root gives rise to root hairs. |
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
Some of the outer cells of the root hair zone give rise to lateral tubular outgrowths called root hairs. As the cells of the root hair zone becomes mature, the root hairs shrivel and become non-functional. However, new root hairs are formed in the older part of the zone of elongation.
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