State whether the following statement is true or false:
Cuboidal epithelium forms the lining of the oesophagus and the lining of the mouth.

$(a)$ Give reasons for the following:
$(i)$ Multicellular organisms are considered more efficient.
$(ii)$ Sclerenchyma cells have a narrow lumen.
$(iii)$ Epidermis is thicker in desert plants though it is usually single layered.
$(b)$ Name the following:
$(i)$ Tissue that occurs in specific regions of growth.
$(ii)$ Tissue present at the growing tips of stems and roots.
$(iii)$ Tissue at the base of the leaves or internodes on twigs.
$(iv)$ Basic packing tissue in the form of a few layers of cells.

$(i)$ Draw a diagram of the epidermis of a leaf showing the surface view and label the stomata,guard cells,and epidermal cells.
$(ii)$ Answer the following:
$(a)$ How is the epidermis of plants living in very dry habitats adapted?
$(b)$ Write the functions of guard cells of stomata in the leaf.

State the chemical composition of the solid matrix of cartilage.

While doing work and running,you move your organs like hands,legs etc. Which among the following is correct?

Match the column $(A)$ with the column $(B)$:

Column $(A)$	Column $(B)$
$(a)$ Fluid connective tissue	$(i)$ Subcutaneous layer
$(b)$ Filling of space inside the organs	$(ii)$ Cartilage
$(c)$ Striated muscle	$(iii)$ Skeletal muscle
$(d)$ Adipose tissue	$(iv)$ Areolar tissue
$(e)$ Surface of joints	$(v)$ Blood
$(f)$ Stratified squamous epithelium	$(vi)$ Skin