Name a connective tissue which has a hard matrix.

Contractile proteins are found in

Explain the basic characteristics for the classification of permanent tissues in plants.

Voluntary muscles are found in

Which structure protects the plant body against the invasion of parasites?

Fill in the blanks:
$(a)$ ............. are forms of complex tissue.
$(b)$ .............. have guard cells.
$(c)$ Cells of cork contain a chemical called .............
$(d)$ Husk of coconut is made of ............. tissue.
$(e)$ ............ gives flexibility in plants.
$(f)$ ............... and ............... are both conducting tissues.
$(g)$ Xylem transports ............... and ............... from soil.
$(h)$ Phloem transports ............... from ............... to other parts of the plant.