Draw and explain a series of diagrams that illustrate the stages of meiosis I

The longest stage of meiosis is

Draw a well labelled diagram showing the stages of the prophase -I of meiosis-I

Draw a neat labelled diagram to show the metaphase stage of mitosis in an animal cell having four chromosomes.

Draw a well labelled diagram to show the anaphase stage of mitosis in a plant cell having four chromosomes.

Draw a well labelled diagram to show various stages of fertilization.

Draw suitable diagrams to illustrate the action of (i) concave mirror, and (ii) convex mirror, on a beam of light incident parallel to the principal axis.

The diagram given below represents a stage during cell division. Study the same and then answer the questions that follow : Name the stage prior to this stage and draw a diagram to represent the same.

Draw diagrams to illustrate the positions of fulcrum, load and effort, in each of the following : (a) A seesaw (b) A common balance (c) A nut cracker (d) Forceps.

Draw a labelled ray diagram to illustrate (a) critical angle (b) total internal reflection for a ray of light moving from one medium to another.

Draw rough diagrams to illustrate the following: (i) Open curve (ii) Closed curve