Cells and Microorganisms module quiz: cell structure, microbes, microscopy, growth and asepsis (SEAB O-Level Applied Subject) quiz
14questions. Pick an answer and you'll see why right away.
Which feature is found in a bacterial cell but NOT in an animal cell?
What best describes a prokaryotic cell such as a bacterium?
Which three structures are found in a plant cell but NOT in an animal cell?
Why is the plasmid an especially important structure for biotechnology?
Which of these is a reason microorganisms make good biological tools?
The correct formula linking magnification, image size and actual size is:
A cell appears 30 mm wide in a photograph taken at x300 magnification. What is its actual width?
A cell is 0.02 mm wide and is drawn 20 mm wide. What is the magnification?
During which phase of microbial growth do cell numbers double rapidly at a steady rate?
What causes a culture to enter the stationary phase?
Which of these is part of correct aseptic technique?
Why is aseptic technique essential when growing a wanted microorganism?
Which conditions do most microorganisms need in order to grow well?
An autoclave sterilises equipment and media mainly by using: