Give any five examples of line segment observed in your classroom. Eg: Edge of black board.

Give any five examples of points on Y-axis and X-axis.

Give any two example of adjacent angles in your surroundings.

Given any two examples of disjoint sets from your daily life.

Give any two examples of xerarch succession.

Find the area of : A black board in your class room.

Give any two examples for semi-syntheticpolymers.

Write any five examples of angles that you have observed around. Example: The angle formed when a scissor is opened.

Give examples to any two pollutants.

Give any two examples of ores with their formulas.