Aseptic Techniques and Laboratory Methods Quiz

What is the primary purpose of aseptic technique?

• To measure chemical reactions

• To increase plant growth

• To prevent infections

• To enhance flavor in food

Which of the following is NOT a principle of aseptic technique?

• No contact with unclean surfaces

• Using unsterilized tools

• Hand hygiene

• Sterile field

What is the main purpose of tissue culture technique?

• To measure light absorption

• To analyze soil samples

• To grow and maintain cells

• To dissect organisms

Which equipment is essential for microscopy?

• Centrifuge

• Spectrophotometer

• Microscope

• PCR machine

What does agarose gel electrophoresis separate?

• Cells from tissues

• Gases from liquids

• DNA/RNA fragments

• Liquid from solids

What is the first step in the dissection procedure?

• Make incisions

• Gather materials

• Identify structures

• Clean up the workspace

What is the main function of a spectrophotometer?

• To measure weight

• To analyze light absorption

• To grow cells

• To separate mixtures

What is the purpose of plant extraction?

• To analyze soil quality

• To grow plants faster

• To isolate specific compounds

• To measure plant height

What is the role of Taq polymerase in PCR?

• To amplify DNA

• To separate mixtures

• To measure light intensity

• To cool the sample

What is the purpose of titration?

• To determine the concentration of a solution

• To grow bacterial cultures

• To visualize small organisms

• To extract plant compounds