Multiple choice Which of the following is incorrect about sclerenchyma tissues? They act as a packing tissue and are found between other tissues. They are also known as fibres as they are elongated and thread-like. They are isodiametric without pointed ends. They are also known as stone cells. They give necessary strength, rigidity and flexibility to the plant body. Reveal answer Fill a bubble to check yourself A Correct answer Explanation This is incorrect as parenchyma tissues act as a packing tissue and are found between other tissues. Sclerenchyma tissues are the chief mechanical tissues of the plant.