Rectilinear graphs show trend of progress over a known period. They are useful to indicate change over a period of time.

The statement is true. Basic principles of advertisement remains same for different mediums. An advertisement in a newspaper would be different from that in a magazine.

The radio is a powerful medium for broadcasting news and for advertisements. An advertisement on radio needs a script, which should be written like a screenplay.

The correct statement is: Reflective essays consist of reflection of thoughts on topics of abstract nature. These include habits, qualities, etc..

Figurative language and imagery should not be used. Language which is needlessly poetic should be avoided at all costs.

The statement is false. The date and time of passage must be given in precis of continuous matter.

A table has rows which run horizontally and columns which run vertically. Its first column is called subhead.

The correct statement is: A precis must always have a heading. The title must be shortest possible and it must reflect central idea of passage.

The statement is true. An independent table is complete in itself. It is placed separately from text. It must be given a number and a title.

The date should ideally be written as 15 November, 2004, instead of any or form like November 15, 2004.