Advertisements
Advertisements
प्रश्न
Write about the contribution of Robert Hooke in cell biology.
Advertisements
उत्तर
Robert hooke was a scientist and inventor. He improved the microscope and built a compound microscope. One day he made thin sections of the cork and observed many small identical chambers through his microscope. They were hexagonal in shape. Based on these observations Hooke published a book named Micrographia in the year 1665, where he first used the term Cell. He describes the structure of tissue using the term cell.
APPEARS IN
संबंधित प्रश्न
Who discovered cells and how?
Write short notes on the following.
Cytoplasm
Explain why chloroplasts are found only in plant cells?
A plant cell has a cell wall made of :
What is the name of the chemical substance which constitutes the genes?
Fill in the blank with a suitable word:
Cell ______ was proposed by Schleiden and Schwann.
The instrument used to observe the cell is _____
I take part in food production of a cell. Who am I? ____
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"?
