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प्रश्न
Which is the smallest cell?
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उत्तर
The cell of Mycoplasma laidlawii
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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.
Give a brief account of discovery of the cell.
A plant cell can be identified from an animal cell by the :
The cell organelle that helps in the respiration of the cell is :
the question has four options. Choose the correct answer:
Mitochondria were first seen by
Sketch and describe in your own words, the animal cell
When will you use a simple microscope and when, a compound microscope? Explain in detail how you will use them.
New cells are produced from the existing cells.
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 |
Who proposed the "Cell theory"?
