Which meristem helps in increasing girth? (a) Lateral meristem (b) Intercalary meristem (c) Primary meristem (d) Apical meristem
Option A The meristem that helps in increasing girth is lateral meristem. The lateral meristem is responsible for lateral growth of the plant i.e., growth in thickness e.g., cambium and cork cambium. It divides only periclinally or radially and is responsible for increase in girth or diameter.