Auxanometer is used to measure…

✅Explanation:
An auxanometer is a specialized instrument designed to measure the growth of plants, typically focusing on changes in length over time. It works by attaching one end to a fixed point and the other end to the growing part of the plant (usually the stem or root tip). As the plant grows, the movement is amplified and recorded, allowing for precise measurements of even small changes.

🟠 Related Terminologies:
-Apex: The growing tip of a plant stem or root.
-Elongation: The process of growth in length.
-Internode: The segment of a stem between two nodes (where leaves attach).
-Phototropism: Plant growth response to light, which auxanometers can help study.
-Gibberellin: Another plant hormone that interacts with auxin to influence growth.