Question

Which of the following is not true about ‘sclereids’?

• A. These are groups of living cells.
• B. These are found in nut shells, guava pulp, pear.
• C. These are also called stone cells.
• D. These are form of sclerenchyma with fibres.

Answer 1

The correct option is A

These are groups of living cells.

Sclereids are a type of sclerenchyma cells. They are short or irregular, their walls are very thick, irregular and the lumen is very narrow. These are dead cells and do not perform any metabolic functions. They show different types of lignin depositions and also have pits. They are present in hard parts like endocarp of coconut, hard seed coats, fruit pulps. They are also called stone cells and are of different types such as brachysclereids, osteosclereids, macrosclereids, asterosclereids and filiform sclereids.