Animal tissues are different from plant tissues. State the reasons.

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.

Differentiate between chlorenchyma and aerenchyma.

Which muscles act involuntarily?
$(i)$ Striated muscles
$(ii)$ Smooth muscles
$(iii)$ Cardiac muscles
$(iv)$ Skeletal muscles

State the chemical composition of the solid matrix of cartilage.

Name a connective tissue which has a hard matrix.