Advertisements
Advertisements
प्रश्न
What is the cell theory? Who propounded it and when?
Advertisements
उत्तर
All animals and plants are composed of cells, which serve as the units of structure and function. This, in short, is called the Cell Theory,
Cell theory was propounded by Theodor Schwann and Matthias Schleiden in the year 1839 and was modified by Rudolf Virchow in 1858.
APPEARS IN
संबंधित प्रश्न
Write short notes on the following.
Cytoplasm
Differences between light microscope and electron microscope.
Name the part of the cell concerned with the following :
Transmission of hereditary characters from parents to offspring
What is the name of the chemical substance which constitutes the genes?
Fill up the blank with the terms given below
All cells arise from ______ cells
Fill in the blank with a suitable word:
______ controls all the metabolic activities of the cell.
I take part in food production of a cell. Who am I? ____
New cells are produced from the existing cells.
Matching:
| 1. | Discovery of cell | a. | Nerve cell |
| 2. | Unicellular organism | b. | spirogyra |
| 3. | Multicellular organism | c. | Robert Hooke |
| 4. | Longest cell | d. | Cyanobacteria |
| 5. | Prokaryotic cell | e. | Amoeba |
Who proposed the "Cell theory"?
