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प्रश्न
What was the contribution of the following to our knowledge of cells?
Schleiden
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उत्तर
Schleiden found that all plant cells have essentially similar structure.
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संबंधित प्रश्न
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.
State the difference between eukaryotes and prokaryotes
Write down differences between organ and organelle.
The cell organelle that helps in the respiration of the cell is :
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
Write true or false for each statement. Rewrite the false statements correctly:
Growth and reproduction are based on cell division
Write a short answer.
Where are the genes located in a cell?
Expand - SER
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 |
