NEET BIOLOGY

Detailed explanation-1: -Both apical meristem and intercalary meristem are primary meristems.

Detailed explanation-2: -Primary meristems are those that occur directly during development of the embryo cells, are called primary for being the first that originate and are located at the tips of stems, roots and axillary buds. protoderm, ground meristem and procambium are primary meristems.

Detailed explanation-3: -Both apical meristem and intercalary meristem are ‘primary’ meristems as they appear early in the life of a plant and helps in the formation of the primary plant body. So, the correct answer is ‘primary’.

Detailed explanation-4: -Meristematic tissue can be divided into apical meristems and lateral meristems: Apical meristems occur at shoot and root tips and are responsible for primary growth (i.e. plant lengthening) Lateral meristems occur at the cambium and are responsible for secondary growth (i.e. plant widening / thickening)

Detailed explanation-5: -Apical meristem is present at the growing tips of stems and roots and increases the length of the stems and the roots. The girth (width) of the stem or root increases due to lateral meristem(cambium). Intercalary meristem is present at the base of the leaves or internodes (between two nodes) on twigs.