Bio 109 Lab Quiz studies UMKC Exam 1 questions with verified answers 2025/2026

Bio 109 Lab Quiz studies UMKC Exam
1 questions with verified answers
2025/2026

Quiz 1: Organisms that float on the surface of a body of water are called

a. algae

b. protozoa

c. plankton

d. protists - CORRECT ANSWER ✔✔Plankton



Quiz 1: The term "protist" is NOT a taxonomical category.

True/Flase? - CORRECT ANSWER ✔✔True



Quiz 1: Using a microscope, if a letter e slide is moved to the right, in what direction does the
image in the ocular move?

a. left

b. right

c. up

d. down - CORRECT ANSWER ✔✔Left



Quiz 1: The 4X objective is also called the ______ objective.

a. scanning

b. low-power

c. high-power

d. oil immersion - CORRECT ANSWER ✔✔Scanning

, Quiz 1: If you have a 10X eyepiece and a 20X objective, then the total magnification would be

a. 2X

b. 30X

c. 200X

d. 2000X - CORRECT ANSWER ✔✔200X



Quiz 1: If you need to change the amount of light hitting your slide, it is best to adjust the

a. Iris Diaphragm

b. oculars

c. body tube

d. stage clips - CORRECT ANSWER ✔✔Iris Diaphragm



Quiz 1: What is the most common component of bacterial cell walls?

a. plasmids

b. prokaryotes

c. peptidoglycans

d. organelles - CORRECT ANSWER ✔✔Peptidoglycans



Quiz 1: The stain responsible for giving certain bacteria a red color is

a. crystal violet

b. iodine

c. alcohol/acetone

d. safranin - CORRECT ANSWER ✔✔Safranin



Quiz 1: The most important step in the Gram stain is the application of