Question

want very good drawing topics
any 10
                 i will mark them the best who gives in half an hour

Answer 1

Art topics are
Still life painting
Any sketch of an animal 
Nature painting
Carnival drawing
Architectured sketh of a building or a house
Designs of any thing
An aquarium drawing
A musical instrument drawing 

Answer 2

carnival drawing
nature related drawing
drawing on any current topics
drawing a sketch of any great leader
drawing any cute cartoon character
and mainly,
the drawing about the current topic 'global warming' is the best and the easy drawing
even i got 5 1st prizes for the drawing on global warming on district wise
so i am suggesting you this topic :)