Identify the parts labeled 1 and 2 in the adjoining figure

To trace the path of ray of light through the triangular glass prism, a student observes that the emergent ray has

The diagrams A and B represent the following relationship:

When you add sodium hydrogen carbonate to acetic acid in a test tube, a gas liberates immediately with a brisk effervescence. None the gas and describe the method of its testing in the laboratory.

Mention about the four events that occur during binary fission in amoeba.