Question

The term bark refers to

• A. Primary and secondary phloem only
• B. Periderm, secondary phloem and vascular cambium only
• C. Secondary xylem and cambium only
• D. Periderm and secondary phloem
• E. Periderm only

Answer 1

The correct option is D Periderm and secondary phloem

All tissues present outer to the vascular cambium together called Bark. It is formed during extra stelar secondary growth in dicot stem. It includes periderm(cork+cork cambium+secondary cortex) and secondary phloem.

It contains both living and non living cells. It is said to be early bark or soft bark, when it is formed in the beginning of season or late or hard bark, when it is formed at the end of season.

So, the correct option is ‘periderm and secondary phloem’.