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MedMicro (McCann) 1st Semester Review - Fall 2021

Total questions: 25

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following is NOT a characteristic of colony morphology?

a)

Elevation

b)

Form

c)

Margin

d)

Pathogenicity

2.

Which scientist was the first to observe bacteria?

a)

Anton van Leeuwenhoek

b)

Joseph Lister

c)

Alexander Fleming

d)

Louis Pasteur

3.

Proof that a specific microbe would cause a specific disease was first provided by:

a)

Joseph Lister

b)

Paul Ehrlich

c)

Robert Koch

d)

Louis Pasteur

4.

On a compound microscope, which lens is closest to your eye?

a)

Ocular

b)

Objective

5.

Which scientist proved microbes can be airborne?

a)

Alexander Fleming

b)

Joseph Lister

c)

Gerhard Domagk

d)

Louis Pasteur

6.

Which scientist is credited with creating the first vaccine?

a)

Edward Jenner

b)

Robert Koch

c)

Joseph Lister

d)

Louis Pasteur

7.

Which of the following variables is what you measure in an experiment?

a)

Constant variable

b)

Dependent variable

c)

Independent variable

d)

Undefined variable

8.

True or False: quantitative observations rely on numbers.

a)

True

b)

False

9.

Which of the following best describes a scientific hypothesis?

a)

A qualitative observation

b)

A quantitative observation

c)

A testable statement

d)

An investigative question

10.

Which of the following prefer salty environments?

a)

Acidophiles

b)

Halophiles

c)

Mesophiles

d)

Thermophiles

11.

In a hypertonic solution, which direction does the water move?

a)

Into the cell

b)

Out of the cell

12.

Which of these means "too much water, not enough solutes?"

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

d)

Semitonic

13.

True or False: acidophiles prefer a high pH.

a)

True

b)

False

14.

Which of the following biomolecules carries genetic information?

a)

Carbohydrates

b)

Lipids

c)

Nucleic Acids

d)

Proteins

15.

Enzymes are a special type of which biomolecule?

a)

Carbohydrates

b)

Lipids

c)

Nucleic Acids

d)

Proteins

16.

True or False: prokaryotic cells lack a nucleus.

a)

True

b)

False

17.

Which of the following organisms are harmed by the presence of molecular oxygen?

a)

Obligate aerobes

b)

Aerotolerant organisms

c)

Facultative anaerobes

d)

Obligate anaerobes

18.

An organism that can produce its own food is called a(n):

a)

Autotroph

b)

Endotroph

c)

Heterotroph

d)

Xenotroph

19.

Which of the following phases of bacterial growth typically occurs first?

a)

Death phase

b)

Lag phase

c)

Logarithmic phase

d)

Stationary phase

20.

Which type of hemolysis is most complete?

a)

Alpha

b)

Beta

c)

Gamma

d)

Delta

21.

Which of the following cell types are rod-shaped?

a)

Bacilli

b)

Cocci

c)

Spirochetes

d)

Vibrio

22.

Which of the following grouping structures refer to grape-like clusters of spherical cells?

a)

Diplococci

b)

Staphylococci

c)

Streptococci

d)

Tetrads

23.

True or False: Gram-positive organisms have a thick layer of peptidoglycan.

a)

True

b)

False

24.

Which of the following is a typical temperature for the inside of a human body?

a)

0o C

b)

25o C

c)

37o C

d)

100o C

25.

What are you most looking forward to during the break?

4 lines