Cell theory

Question 1

Matthisas Schleiden was a __________

Answer 1

Botanist

Question 2

Thoedore Schwann was a _________

Answer 2

zoologist

Question 3

What did Matthias Schleiden observe in 1838 ?

Answer 3

All plants are made up of different kinds of cells which form tissues.

Question 4

Thodore Schwann observed in 1939 that all animal cells have ________ and all plant cells have a unique feature called _______

Answer 4

Plasma membrane ; Cell wall

Question 5

What did Theodor Schwann conclude in 1939?

Answer 5

All plant and animal bodies are composed of cells, products of cells.

Question 6

What was the limitation of Schleiden’s and Schwann’s cell theory?

Answer 6

It could not explain how new cells are formed

Question 7

Who modified the hypothesis of Schleiden and Schwann in 1955?

Answer 7

Rudolf Virchow

Question 8

What was the latin statement given by Rudolf Virchow ?

Answer 8

Omnis cellula e-cellula

Question 9

Meaning of omnis cellula-e cellula

Answer 9

All cells arise from pre-existing cells which divide to form new cells.

Question 10

Modern cell theory

1st statement

Answer 10

All living organisms are composed of cells and products of cells.

Question 11

Modern cell theory

2nd statement

Answer 11

All cells arise from pre-existing cells.