Estonian Basic-School Biology Exam Practice Questions - Estonian Basic-School Final Examination - Biology (Bioloogia) Exam

Peel a thin layer of onion skin, place it on a slide, add a drop of water and stain, then cover with a coverslip Add a coverslip first, then place the onion skin under it, then add water and stain last Stain the whole onion, then peel the skin, then view it dry without water or a coverslip Place the onion skin directly under the microscope lens without a slide or coverslip