300 Level Department of Science Laboratory Technology exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
(a) Enumerate the functions of the following parts of a microscope:
(i) Diaphragm,
(ii) Coarse adjustment knob,
(iii) Objective lens,
(iv) Condenser,
(v) Ocular lens.
(b) Discuss the following biological reagents:
(i) Ringer’s reagent,
(ii) Hypotonic reagent.
(c) What is a kymograph used for?
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![A travelling microscope is focused on a mark on a table. If a glass block of thickness 18.0cm is placed on the mark by how many centimeters will the microscope be moved upwards so as to focus the mark once again? [refractive index of glass = 1.5]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A travelling microscope is focused on a mark on a table. If a glass block of thickness 18.0cm is placed on the mark by how many centimeters will the microscope be moved upwards so as to focus the mark once again? [refractive index of glass = 1.5]")
