Q6 of 71 Page 161

What is the function of thin, hair-like projections present on the cuboidal epithelium?

These projections help in the movement of the certain substances.

For example- movement of mucus in respiratory tract.

Name a component of phloem formed by the end to end fusion of cells with the perforated transverse wall.

Give one word for

(i) zig-zag thickenings in cardiac muscles.

(ii) Thickening present in sclerenchyme cell.

Which part of neuron receives and transmits impulses?

Draw a table for types of simple tissues present in plant.