| Read the assertion and reason carefully: |
| Assertion : Thorn like structure present in Pothos and Acanthorhiza are root modifications. |
| Reason : Thorns have endogenous origin. |
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: A
Solution :
In Pothos and Acanthorhiza, some of the adventitious roots are replaced by hard, thick and pointed thorns. They are called root thorns. These root thorns are different from stem thorns as they are endogenous in origin (all roots have endogenous origin).
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