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A. (iii) Assertion true, Reason false. B. (i) Both true, Reason explains Assertion. C. (iv) Assertion false, Reason true. D. (iii) Assertion true, Reason false. These answers depend on tissue structure, muscle function and joint movement characteristics.
As the number of annual rings increases, the diameter of the teak tree also increases. Annual rings form each year due to lateral meristem activity, showing that tree girth grows gradually with age and environmental conditions.
Lateral meristem is the specialised tissue responsible for increasing stem girth. It is located along the circumference of stems and roots, where actively dividing cells continuously produce new tissues, increasing thickness and forming annual growth rings.
Debarking damages the protective outer covering and may disturb food transport. The tree becomes vulnerable to water loss, infections and mechanical injury. If inner tissues are affected, movement of prepared food to roots and other parts decreases.
Phloem tissue would be affected by further trunk damage after debarking. Phloem transports food from leaves to other plant parts. Severe damage disrupts nutrient transport, weakening roots, stems and overall growth and survival of the tree.
