Question

As secondary growth proceeds, in a dicot stem, the thickness of

• A. sapwood increases
• B. heartwood increases
• C. both sapwood and heartwood increases
• D. both sapwood and heartwood remains the same

Answer 1

The Correct Option is B

In dicot plants, the secondary growth occurs due to the activity of the cambium. It cuts phloem on outer side and xylem on inner side of stem. It increases the heartwood area of stem which shows the presence of annual rings.