Multiple choice Which of the following is a characteristic of sclerenchyma? Cells are dead and empty. High refractive index among all permanent tissues. It provides mechanical strength as well as elasticity. It has an ability to dedifferentiate and produce secondary meristem. NA Reveal answer Fill a bubble to check yourself A Correct answer Explanation It is the correct option as it is a characteristic of sclerenchyma. Sclerenchyma is a permanent tissue.