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प्रश्न
What was the contribution of the following to our knowledge of cells?
Robert Hooke
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उत्तर
Robert Hooke discovered and named cells.
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संबंधित प्रश्न
Make a comparison and write down ways in which plant cells are different from animal cells.
Carry out the following osmosis experiment:
Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,
- Keep cup A empty
- Put one teaspoon of sugar in cup B
- Put one teaspoon salt in cup C
- Put one teaspoon sugar in the boiled potato cup D.
Keep these for two hours. Then, observe the four potato cups and answer the following:
- Explain why water gathers in the hollowed portion of B and C.
- Why is potato A necessary for this experiment?
- Explain why water does not gather in the hollowed-out portions of A and D.
Write short notes on the following.
Cytoplasm
Do you think the cells of an elephant would be larger than the cells of a rat? Explain briefly.
Why was the invention of the microscope so important to the study of living beings?
What is the function of the following?
Cell membrane
Name the longest cell.
Which is the smallest cell?
An electron microscope is necessary for the study of ______.
What is difference between us?
Prokaryotic cell and eukaryotic cell.
