1 Exampromax - Stuvia US 2025/2026
BIOS 1705: Lab Quiz 1 Questions and Answers
(100% Correct Answers) Already Graded A+
condenser
Ans: concentrates the light on the specimen
high power objective
Ans: 40x
ocular
Ans: lens nearest to the eye
© 2025 Assignment Expert
Exampromax - Stuvia US
stage adjustment knobs
Ans: moves a slide around the stage
low power objective
Ans: 4x
arm
Ans: use to safely carry the microscope
stage
Ans: platform on which the slide is mounted
iris diaphragm
Ans: controls the amount of light reaching the specimen
medium power objective
Ans: 10x
coarse adjustment knob
Ans: use to focus at low power ONLY
, 2 Exampromax - Stuvia US 2025/2026
fine adjustment knob
Ans: use to focus at medium and high power
lamp
Ans: source of light for the microscope
How do you determine the magnification knowing the power of the
objective lens?
Ans: take the power of the objective and multiply it by ten
How would you determine the size of an object that you see in the
microscope?
© 2025 Assignment Expert
Ans:
Exampromax - Stuvia US
level os taxonomy
Ans: 1. domain
2. kingdom
3. phylum
4. class
5. order
6. family
7. genus
8. species
phylum porifea
Ans: "pore"; ex) glass sponge
phylum cnidaria
Ans: jellyfish; ex) moon jelly
phylum mollusca
Ans: snails; ex) squid
phylum platyhelminthes
Ans: flatworms; ex) planaria
BIOS 1705: Lab Quiz 1 Questions and Answers
(100% Correct Answers) Already Graded A+
condenser
Ans: concentrates the light on the specimen
high power objective
Ans: 40x
ocular
Ans: lens nearest to the eye
© 2025 Assignment Expert
Exampromax - Stuvia US
stage adjustment knobs
Ans: moves a slide around the stage
low power objective
Ans: 4x
arm
Ans: use to safely carry the microscope
stage
Ans: platform on which the slide is mounted
iris diaphragm
Ans: controls the amount of light reaching the specimen
medium power objective
Ans: 10x
coarse adjustment knob
Ans: use to focus at low power ONLY
, 2 Exampromax - Stuvia US 2025/2026
fine adjustment knob
Ans: use to focus at medium and high power
lamp
Ans: source of light for the microscope
How do you determine the magnification knowing the power of the
objective lens?
Ans: take the power of the objective and multiply it by ten
How would you determine the size of an object that you see in the
microscope?
© 2025 Assignment Expert
Ans:
Exampromax - Stuvia US
level os taxonomy
Ans: 1. domain
2. kingdom
3. phylum
4. class
5. order
6. family
7. genus
8. species
phylum porifea
Ans: "pore"; ex) glass sponge
phylum cnidaria
Ans: jellyfish; ex) moon jelly
phylum mollusca
Ans: snails; ex) squid
phylum platyhelminthes
Ans: flatworms; ex) planaria
