Cell Theory
Cell Theory: Overview
This topic consists of various concepts like Cell Theory,,, etc.
Important Questions on Cell Theory
Hypothesis that the bodies of animals and plants are composed of cells and products of cells was proposed by:
Who was the one to describe that cells divided and new cells are formed from pre-existing cells?
'Omnis cellula-e cellula' was given in the year:
Who proposed the hypothesis that the bodies of animals and plants are composed of cells and product of cells?
'Cell wall is a unique structure of plant cells'. Who concluded this?
In which year Schwann studied different types of animal cells?
In which year did Matthias Schleiden examine a large number of plants and observed that all plants are composed of different kinds of cells which form the tissues of the plant?
Who was the German botanist to study different cells forming plant tissues?
Assertion: Schleiden and Schwann were the first to observe the cells and to put forward cell theory.
Reason: The cells are always living unit.
Schleiden proposed that cell is the structural and functional unit of life. His idea was a
Who proposed the theory that "cells arise only from the pre-existing cells"?
Who proposed the modification in cell theory?
Choose the appropriate option from the codes given below after matching the first and second column.
| Column I | Column II | ||
|---|---|---|---|
| (a) | Leeuwenhoek | (i) | First person to see and describe a living cell |
| (b) | Robert Brown | (ii) | Presence of cell wall is unique to plant cells only |
| (c) | Schleiden | (iii) | Person who discovered the nucleus |
| (d) | Schwann | (iv) | All plants are composed of different kinds of cell |
"Omnis cellula-e cellula" was given by
The book which published the figures of cork cells as observed by Robert Hooke is
The term 'cell' discovered and coined by whom?
