Which of the following is not true about Sclereids?

1.	These are parenchyma cells with thick lignified walls
2.	These are are spherical, oval or cylindrical, highly thickened dead cells
3.	These are commonly found in shells of nuts and in pulp of guava, pear, etc.
4.	These are also called stone cells

Vessels are found in

A. All angiosperms and some gymnosperms

B. Most of angiosperms and few gymnosperms

C. All angiosperms, all gymnosperms and some pteridophyta

D. All pteridophyta

Meristematic cells are

Region of active cell division in plant is called

During the formation of leaves and elongation of stem, some cells left behind from shoot apical meristem constitute _____________

Axillary buds are capable of forming

. Both apical meristem and intercalary meristem are

Which of the following are example of lateral meristem?

. Permanent plant tissue having all cells similar in structure and function are called

Permanent plant tissue having many different type of cells are called