In this article we will discuss about the directions for working in a laboratory. 1. Bring complete practical note-book; pencils of "HB" and "B"; pencil eraser and pencil sharpener or blade and sand-paper daily. 2. Keep your instruments, practical notebook and your seat clean, tidy and well arranged. 3. All your instruments should be sharp and according to the requirements. [...]
Experiments on mitotic and meiotic cell division in animals and plants. Experiment on Mitotic Cell Division: To prepare a slide of root tip of onion by squash method arid to identify, study and draw the various mitotic stages. Material required: Onion root tips fixed in Carnoy fluid (6 parts absolute alc + 3 parts glacial acetic acid + 1 part [...]
The below mentioned article provides a labelled diagram of compound microscope. Part # 1. The Stand: The stand is made up of a heavy foot which carries a curved inclinable limb or arm bearing the body tube. The foot is generally horse shoe-shaped structure (Fig. 2) which rests on table top or any other surface on which the microscope in [...]