Estimation of the age of the is done by
Counting the epidermal rings
Measuring the pith diameter
Counting the annual rings
Counting the late woods only
While eating peach or pear it is usually seen that some stone like structures get entangled in the teeth, what are these stone like structures called ?
Intercalary meristem results in
Which of the following is absent in phloem of Pinus
The stele is composed of
In dicot stem, secondary xylem lie towards the ...$A$... and secondary phloem lie towards the ...$B$...
Choose the correct combination of options for $A$ and $B$