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प्रश्न
Write about the contribution of Robert Hooke in cell biology.
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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.
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संबंधित प्रश्न
Make a comparison and write down ways in which plant cells are different from animal cells.
A plant cell has a cell wall made of :
The cell organelle that helps in the respiration of the cell is :
What is the name of the chemical substance which constitutes the genes?
Write true or false for each statement. Rewrite the false statements correctly:
The size of a cell is usually measured in centimetres
Who studied the cell first?
What is a ‘cell’?
What is difference between us?
Plant cell and animal cell.
Nerve cell is the longest cell
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 |
