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प्रश्न
Who discovered the cell in 1665?
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उत्तर
The English scientist Robert Hooke discovered the cell in 1665 from cork slices kept under a microscope.
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संबंधित प्रश्न
Who discovered cells and how?
Make a comparison and write down ways in which plant cells are different from animal cells.
Write short notes on the following.
Nucleus of a cell
A plant cell can be identified from an animal cell by the :
Name the part of the cell concerned with the following:
Hydrolytic in function
Name any five cell organelles.
What was the contribution of the following to our knowledge of cells?
Robert Hooke
Describe the structure of the chromosome in brief.
Match the items in column A with the appropriate items in column B:
| column A | column B |
| 1. Platform or workplace for the synthesis of proteins | a. Golgi complex |
| 2. A powerhouse of cells | b. Ribosomes |
| 3. Help in the formation of cell plate during cell division | c. Chloroplast |
| 4. Site for photosynthesis | d. Mitochondria |
| 5. Control tower of cell | e. Chromosomes |
| 6. A structure bearing genes | f. Nucleus |
Robert Hooke saw many objects like Butterfly’s compound eyes, Bee’s wings, etc.
