Tools and Techniques Used in Biology
Telangana Open School (TOSS) · Class 12 · Biology
Most important questions from Tools and Techniques Used in Biology for Telangana Open School (TOSS) Class 12 Biology board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
What is the source of illumination in a compound microscope?
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Visible light
Compound microscopes use visible light as the source of illumination, which passes through the specimen.
Which technique uses Schiff's reagent to locate DNA?
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Cytochemical methods
Cytochemical methods use specific dyes like Schiff's reagent in Feulgen staining to detect DNA in cells.
What is the purpose of a dissecting microscope?
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To view whole objects or large specimens
A dissecting microscope is used to examine larger specimens in three dimensions, often during dissection.
Which of the following is a type of electron microscope?
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Transmission Electron Microscope
Transmission Electron Microscope (TEM) is a type of electron microscope that uses electron beams to view ultra-thin sections.
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