Give the major differences between dicotyledons and monocotyledons.

Give three major differences between chordates and non chordates and draw a schematic sketch of a chordate showing those features.

Which class has been placed in between dicotyledons and monocotyledons by Bentham and Hooker

Give the differences between isotopes and isobars.

Give two major differences between prokaryotes and eukaryotes.

What are the major differences between metals and non-metals?