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Bell Work 11-28

Total questions: 10

Worksheet time: 15mins

Name
Class
Date
1.

  There are three parts to the cell theory. Which is NOT one of those parts?

a)

All organisms are composed of one or more cells.

b)

The cell is the basic unit of structure and organization in organisms.

c)

Cells spontaneously arise from carbon and nutrients carried in the bloodstream.

d)

All cells come from pre-existing cells.

2.

    Who named the cell?

a)

Robert Hooke

b)

Robert Redford

c)

Robert Smith

d)

Robert DeNiro

3.

Which scientist realized that, by studying samples under a microscope, all animals are made up of cells?

a)

Rudolf Virchow

b)

Robert Remak

c)

Theodor Schwann

d)

Isaac Newton

4.

Which scientist looked at dental scrapings & pond water and called the single-celled organisms "animalcules"?

a)

Van Leeuwenhoek

b)

Hooke

c)

Pasteur 

d)

Virchow

5.

  Who said that all plants are made of cells?

a)

Schleiden

b)

Schwann

c)

Van Leeuwenhoek 

d)

Pasteur 

6.

Who wrote a book that said that cells come from other cells like them?

a)

Virchow

b)

Pasteur 

c)

Hooke

d)

Van Leeuwenhoek

7.

  Which invention was the most important thing that helped scientists develop the cell theory?

a)

compound light microscope

b)

petri dish

c)

scanning electron microscope

d)

dissection tools

8.

While looking at cork, Hooke observed box-shaped structures, which he called “cells” because...

a)

they reminded him of the cells, or rooms, in monasteries.

b)

they looked like cellulitis

9.
A microscope has an ocular magnification of 10 and a high power objective magnification of 50. What is the highest total magnification of the microscope?
a)
500x
b)
400x
c)
50x
d)
40x
10.
When looking at a specimen on your slide, you should always start with the
a)

low objective lens (x4)

b)
medium objective lens
c)
high objective lens
d)
super extra high power lens