Question

Which is not a primary meristem?

• A. Promeristem
• B. Protoderm
• C. Periblem
• D. Ground tissue

Answer 1

The correct option is D Ground tissue

A. Promeristem is the portion of the primary meristem composed of actively dividing, undifferentiated, isodiametric thin-walled cells.

B. Protoderm is the primary meristem derived from the apical meristem of the shoot and root tip that forms the epidermis.

C. Periblem is a primary meristem derived from apical meristem which gives rise to the cortex and endodermis and is present between the dermatogen and plerome.

D. Ground tissue is also derived from apical meristem which includes all tissues which are neither dermal nor vascular that have become permanent tissues which perform a specific function in plants.

So, the correct answer is 'Ground tissue'