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प्रश्न
Why was the invention of the microscope so important to the study of living beings?
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उत्तर
All living organisms, unicellular, or multicellular are made up of cells. Microscope makes it possible to see inside the cells that make up all living organisms. Without a microscope we could not see or understand, how life works. So the invention of the microscope made it possible to see the basic component of life.
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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.
What is osmosis?
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.
Differences between light microscope and electron microscope.
Which one of the following is found both in the cells of a mango plant and a monkey?
Fill in the blanks:
Organisms which are made up of a single cell are called ______ organisms.
Write true or false for each statement. Rewrite the false statements correctly:
The size of a cell is usually measured in centimetres
Write a short answer.
What is the relationship between growth and cell division?
Nerve cell is the longest cell
