$A$ : Complementary cells are cut-off by phellogen towards outside.
$R$ : Phellogen is partially secondary in origin.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
Centripetal and centrifugal xylem are the important features of
Aerenchyma is helpful in plants by
In which of the following situations an intercalary meristem can be present
Largest number of chloroplast is found in
Sieve tubes are better suited for translocation, because