Assam ASSEB HSLC Wood Craft Practice Questions - Assam State School Education Board (ASSEB) Division-I HSLC Wood Craft (Elective) Exam

By the combination of light-colored springwood (early wood) and dark, dense summerwood (late wood) formed each year. By wind compression pushing bark inward during rainy seasons. By chemical staining from soil minerals absorbed during winter. By artificial incisions made on tree trunks by foresters.