Describe the different ways in which we can write the symbols of elements. Give appropriate examples.

Write the symbols for these elements: Iron.

Write the symbols for these elements: Gold .

Write the symbols for these elements: calcium.

Write the symbols for these elements: cadmium.

Write the symbols for these elements : Oxygen .

List the ways in which you can an object.

Write a brief note on pneumatophores. Give an example.

(a) With the help of well-labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples. (b) Explain what will happen to a plant cell if it is kept in a solution having higher water potential.

Give an example for the elements derived from their Latin names.