Name the animal tissue which acts as a heat insulator.

The intestine absorbs digested food materials. Which type of epithelial cells are responsible for this?

The dividing cells at the tip of root and stem are known as?

What is the difference between xylem and phloem?

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

$(a)$ Differentiate between meristematic and permanent tissues in plants.
$(b)$ Define the process of differentiation.
$(c)$ Name any two simple and two complex permanent tissues in plants.