The increase in length of stems and roots in plants is due to
[amp_mcq option1=”lateral meristem” option2=”intercalary meristem” option3=”apical meristem” option4=”secondary growth” correct=”option3″]
This question was previously asked in
UPSC CAPF – 2019
– Apical meristems are located at the shoot apex and root apex and are responsible for primary growth (increase in length).
– Lateral meristems (vascular cambium and cork cambium) are responsible for secondary growth (increase in girth or diameter).
– Intercalary meristems are located between mature tissues (e.g., at nodes of grasses) and contribute to elongation in those specific regions.