Which of the following plant tissues is responsible for the increase in the girth (width) of a stem or root?

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A Apical meristem
B Intercalary meristem
C Lateral meristem
D Parenchyma

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Answer: C. Lateral meristem

Correct Answer: c) Lateral meristem
Explanation: The lateral meristem (such as the cambium) is found on the sides of roots and stems. Its cell division causes the stem and root to grow in diameter (secondary growth), creating wood and bark in older plants

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Which of the following plant tissues is responsible for the increase in the girth (width) of a stem or root?

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