BIOD 102 ESSENTIAL BIOLOGY II LAB 3
ACTUAL PAPER 2026 COMPLETE
QUESTIONS AND ANSWERS GRADED A+
◉ What are the two parts of a solution?
Answer: Solute + Solvent
◉ Is the cell in a hypertonic or hypotonic solution if the ECF is 5M
and the ICF is 2M?
Answer: Hypertonic, water will move out of cell
◉ What happens to a cell when it is placed in a hypertonic solution?
Answer: Water moves out of cell
◉ What happens to a cell when it is placed in a hypotonic solution?
Answer: Water moves into cell
◉ What is the magnification of the ocular lenses on a microscope?
Answer: 10x
, ◉ What is the total magnification when using the low power lens?
Answer: 40x
◉ What is the total magnification when using the medium power
lens?
Answer: 100x
◉ What is the total magnification when using the high power lens?
Answer: 400x
◉ Which lens do you use first when first getting your specimen in
focus?
Answer: Low power (4x)
◉ What should you use to clean the lenses of the microscope?
Answer: Lens wipes
◉ When putting away the microscope, how should the stage be
positioned?
Answer: Stage all the way down
◉ How can you tell whether you are looking at a plant cell or animal
cell in the microscope?
ACTUAL PAPER 2026 COMPLETE
QUESTIONS AND ANSWERS GRADED A+
◉ What are the two parts of a solution?
Answer: Solute + Solvent
◉ Is the cell in a hypertonic or hypotonic solution if the ECF is 5M
and the ICF is 2M?
Answer: Hypertonic, water will move out of cell
◉ What happens to a cell when it is placed in a hypertonic solution?
Answer: Water moves out of cell
◉ What happens to a cell when it is placed in a hypotonic solution?
Answer: Water moves into cell
◉ What is the magnification of the ocular lenses on a microscope?
Answer: 10x
, ◉ What is the total magnification when using the low power lens?
Answer: 40x
◉ What is the total magnification when using the medium power
lens?
Answer: 100x
◉ What is the total magnification when using the high power lens?
Answer: 400x
◉ Which lens do you use first when first getting your specimen in
focus?
Answer: Low power (4x)
◉ What should you use to clean the lenses of the microscope?
Answer: Lens wipes
◉ When putting away the microscope, how should the stage be
positioned?
Answer: Stage all the way down
◉ How can you tell whether you are looking at a plant cell or animal
cell in the microscope?