AP BIOLOGY

Detailed explanation-1: -So, the correct answer is ‘Sclerenchyma’.

Detailed explanation-2: -Sclerenchyma are composed of long, narrow cells. This provides strength to plant parts.

Detailed explanation-3: -Xylem provides maximum mechanical strength.

Detailed explanation-4: -Collenchyma. Collenchyma cells have thick walls that are especially thick at their corners. These cells provide mechanical support for the plant. They are most often found in areas that are growing rapidly and need to be strengthened.

Detailed explanation-5: -The main function of sclerenchyma is to provide mechanical support and strength to the plants. They provide structural support to the plant organs. They form protective coverings around nuts and seeds.