Air bubbles Air bubbles are created during slide preparation of water sample. So it was observed under foldscope.
Microrganism Microorganism observed in river water sample. It may be a Daphnia sp. The internal structure of the died specimen observed under foldscope.
Cyanobacteria Sample no.64, the sample was observed under foldscope. The sample was collected from varanda ghat.
Cyanobacteria Sample no.75,sample was observed under foldscope.sample were collected from khed, Pune.