Fats are stored in the human body in which of the following?

Areolar connective tissue plays an important role in

$(a)$ 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.

Which of the following cells is found in the cartilaginous tissue of the body?

Contractile proteins are found in

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

Column $(A)$	Column $(B)$
$(a)$ Parenchyma	$(i)$ Thin walled,packing cells
$(b)$ Photosynthesis	$(ii)$ Carbon fixation
$(c)$ Aerenchyma	$(iii)$ Localized thickenings
$(d)$ Collenchyma	$(iv)$ Buoyancy
$(e)$ Permanent tissue	$(v)$ Sclerenchyma