State whether the following statements are true or false:
a. Yarn is made from fibres.
b. Spinning is a process of making fibres.
c. Jute is the outer covering of coconut.
d. The process of removing seed from cotton is called ginning.
e. Weaving of yarn makes a piece of fabric.
f. Silk fibre is obtained from the stem of a plant.
g. Polyester is a natural fibre.