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STM3013 Topic 1 and 2

Total questions: 13

Worksheet time: 12mins

Name
Class
Date
1.

The scientist who is credited with the discovery of bacteria is

a)

Pasteur

b)

Robert Hooke

c)

Robert Koch

d)

Antony van Leeuwenhoek

2.

_______________ coined the term "cell"?

a)

Joseph Lister

b)

Edward Jenner

c)

Louis Pasteur

d)

Robert Hooke

3.

Pasteur developed vaccine against _____________.

a)

small pox

b)

cow pox

c)

anthrax

d)

measles

4.

The experiment above was conducted by ________________ to disprove spontaneous generation.

a)

Pasteur

b)

Spallanzani

c)

Needham

d)

Redi

5.

The bacterium for which Robert Koch proved Germ theory was

a)

Bacillus

b)

Bacillus anthracis

c)

Bacillus subtilis

d)

Bacillus megaterium

6.

Which of the following statement is NOT in context of Koch's postulates?

a)

Organism should be associated with all cases of disease

b)

Pure culture is not crucial

c)

Organism should produce similar symptoms when reinoculated in healthy host

d)

All of the above

7.
A microscope is an instrument that.
a)
makes faraway objects look closer.
b)
makes small objects appear larger.
c)
decreases the size of small objects.
d)
increases the size of small objects.
8.
If your teacher asks you to move a microscope to table, how do you carry it?
a)
by the body tube and the eyepiece
b)
with one hand
c)
one hand on the arm and the other under the base
d)
with one hand on the base and the other on the eyepiece.
9.

Moves stage up and down for focusing; locates the specimen

a)

Coarse Adjustment Knob

b)

Large Focus Knob

c)

Course Focus Knob

d)

Small Focus Knob

10.
What will be the total magnification if ocular lens is 10X and objective lens is 4X?
a)
4X
b)
40X
c)
10X
d)
100X
11.

Which objective lens should you start on to locate an image?

a)

medium power

b)

low power

c)

high power

12.

Holds the slide in place

a)

Stage Clips

b)

Stage

c)

Eyepiece

d)

Coarse adjustment

13.

Which part controls the amount of light reaching the specimen?

a)

diaphragm

b)

coarse focus knob

c)

condensor

d)

fine focus knob