Draw a rough figure and label suitably in each of the following cases:
`vec (OP) ` and `vec (OQ)` meet at O.

Draw a rough figure and label suitably in each of the following cases: Point P lies 0n bar AB .

Draw a rough figure and label suitably in each of the following cases. XY and PQ intersect at M.

Draw a rough figure and label suitably in each of the following cases: Line l contains E and F but not D.

Draw a rough figure and label suitably in each of the following cases. Line l contains A and B but not C.

Draw all lines of smmetry if any in each of the following figures.

Draw all lines of smmetry if any in each of the following figures.

Draw all lines of smmetry if any in each of the following figures.

Draw all lines of smmetry if any in each of the following figures.

If O is the centre of a circle, find the value of x in each of the following figures

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : (a) Draw a diagrammatic sectional view of a mature anatropous ovule and label the following parts in it: (i) that develops into seed coat. (ii) that develops into an embryo after fertilization. (iii) that develops into an endosperm in an albuminous seed. (iv) through which the pollen tube gains entry into the embryo sac. (v) that attaches the ovule to the placenta (b) Describe the characteristic features of wind pollinated flowers.