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
Where are chromosomes found in a cell? State their function.
Differences between light microscope and electron microscope.
A plant cell has a cell wall made of :
What is the cell theory? Who propounded it and when?
Name the scientist who invented the first microscope.
Try to find the names of four cell organells hidden in this maze, (hint: The hidden words can appear horizontally or vertically; forwards or backward or even mixed up). Write them in the lines provided. For example : “NUCLEUS” in the last row, seven backward letters.
| A | J | F | B | H | E | M | O | E | L | O | U | C | A | V |
| H | V | L | E | U | C | O | P | L | A | S | T | N | O | E |
| C | H | R | O | M | O | P | L | A | S | T | X | T | E | R |
| S | U | E | L | C | U | N | W | P | L | A | S | T | I | D |
Justify the statement "cell is the basic unit of life"
What is the function of the following?
Mitochondria
Expand - ER
Sketch and describe in your own words, the animal cell
