1. Which of the following foods is NOT made by fermentation? a. beer b. bread c.

Question

1. Which of the following foods is NOT made by fermentation?

a. beer

b. bread

c. cheese

d. orange juice

2. Who was the first to observe “animalcules” under the microscope?

a. Antonie van Leeuwenhoek

b. Otzi the Iceman

c. Marcus Terentius Varro

d. Robert Koch

3. Which of the following was NOT a kingdom in Linnaeus’s taxonomy?

a. animal

b. mineral

c. protist

d. plant

4. Which of the following is a correct usage of binomial nomenclature?

a. Homo Sapiens

b. homo sapiens

c. Homo sapiens

d. Homo Sapiens

5. Which of the following types of microorganisms is photosynthetic?

a. yeast

b. virus

c. helminth

d. alga

6. Which of the following is a prokaryotic microorganism?

a. helminth

b. protozoan

c. cyanobacterium

d. mold

7. Which of the following is acellular?

a. virus

b. bacterium

c. fungus

d. protozoan

8. Which of the following is a type of fungal microorganism?

a. bacterium

b. protozoan

c. alga

d. yeast

9. Which of the following is not a subfield of microbiology?

a. bacteriology

b. botany

c. clinical microbiology

d. virology

10. Which of the following has the highest energy?

a. light with a long wavelength

b. light with an intermediate wavelength

c. light with a short wavelength

d. It is impossible to tell from the information given.

11. You place a specimen under the microscope and notice that parts of the specimen begin to emit light immediately. These materials can be described as _____________.

a. fluorescent

b. phosphorescent

c. transparent

d. opaque

12. Which would be the best choice for viewing internal structures of a living protist such as a Paramecium?

13. Which type of microscope is especially useful for viewing thick structures such as biofilms?

14. What type of microscope would you used to view thin sections of a fixed bacterial sample?

15. What would you use to view a Gram-stained bacterial smear?

Choices for 12-15:

a. a transmission electron microscope

b. a scanning electron microscopes

c. a phase-contrast microscope

d. a confocal scanning laser microscope

e. a brightfield microscope

16. Who is the probable inventor of the compound microscope?

a. Girolamo Fracastoro

b. Zaccharias Janssen

c. Antonie van Leeuwenhoek

d. Robert Hooke

17. Who was the first to describe “cells” in dead cork tissue?

a. Hans Janssen

b. Zaccharias Janssen

c. Antonie van Leeuwenhoek

d. Robert Hooke

18. What type of microscope uses a cone of light so that light only hits the specimen indirectly, producing a darker image on a brighter background?

a. a transmission electron microscope

b. a scanning electron microscope

c. a brightfield microscope

d. a darkfield microscope

e. a phase-contrast microscope

19. What mordant is used in Gram staining?

a. crystal violet

b. safranin

c. acid-alcohol

d. iodine

20. What is one difference between specimen preparation for a transmission electron microscope (TEM) and preparation for a scanning electron microscope (SEM)?

a. Only the TEM specimen requires sputter-coating.

b. Only the SEM specimen requires sputter-coating.

c. Only the TEM specimen must be dehydrated.

d. Only the SEM specimen must be dehydrated.

Explanation / Answer

Orange juice Antonie Van Leeuwenhoek Mineral Homo sapiens Alga Cyanobacteria Virus Yeast Botany Light with shorter wavelength Fluorecent Dark field microscope Confocal scanning laser microscope Bright field microscope Bright field microscope Zaccharias Jenssen Robert Hooke Bright field microscope Iodine Only SEM specimen requires sputter coating

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