Tissue Worksheet-2

Tissue Worksheet-2

 

Fill in the blanks:

  1. Parenchyma serves as ______ storage tissue.

 

  1. If air cavities are present, the parenchyma tissue is called ______.

 

  1. ______ shows many of the features of parenchyma but is characterised by the deposition of extra cellulose at the corners of the cells

 

  1. In ______ of simple plant tissue, intercellular spaces are generally absent.

 

  1. Collenchyma is ______ in monocot stems, roots and leaves.

 

  1. Collenchyma is a ______ tissue.

 

  1. ______ provides mechanical support and elasticity.

 

  1. ______ allows easy bending in various parts of a plant (leaf, stem) without actually breaking it.

 

  1. The walls of cells of ______ are greatly thickened with deposition of lignin.

 

  1. The cell wall of plant cell when thickened with lignin is called ______.

 

  1. ______ of sclerenchyma are usually pointed at both ends and are clustered into strands.

 

  1. ______ of sclerenchyma are irregular-shaped.

 

  1. Sclereids are also called as ______.

 

  1. ______ gives strength, rigidity, flexibility and elasticity to the plant body.

 

  1. ______ enables plant body to withstand various strains.

 

  1. The ______ tissues consist of more than one type of cells.

 

  1. Xylem and ______ is a vascular and mechanical tissue.

 

  1. Except ______, all other xylem elements are dead.

 

  1. ______ of xylem are very long tube–like structures formed by a row of cells placed end to end.

 

  1. ______ of xylem are elongated cells with tapering ends.

 

Answer:

  1. Food

  2. Aerenchyma

  3. Collenchyma

  4. Collenchyma

  5. Absent

  6. Mechanical

  7. Collenchyma

  8. Collenchyma

  9. Sclerenchyma

  10. Lignified

  11. Fibres

  12. Sclereids

  13. grit cells or stone cells

  14. Sclerenchyma

  15. Sclerenchyma

  16. Complex

  17. Phloem

  18. Xylem parenchyma

  19. Vessels

  20. Trachieds