Which among the following is not correct about primary and secondary Meristematic tissues?

• A. Primary meristem rises at the early stage of a plant and comprises of apical and intercalary meristem
• B. Secondary meristem rises at the later stage of a plant and comprises of later meristem
• C. Apical meristem is present at tips of root and shoot and also helps in the increase of length
• D. Intercalary meristem helps in the increase of girth in plants