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प्रश्न
Give one main function of the following:
Chloroplast
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उत्तर
Chloroplasts are the kitchens of the cell. They trap solar energy and use it to synthesize carbohydrates from carbon dioxide and water by the process of photosynthesis.
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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.
Write short notes on the following.
Cytoplasm
All life starts as _________.
Which one of the following is found both in the cells of a mango plant and a monkey?
Write a short answer.
What is the relationship between growth and cell division?
What is a 'cell'?
What is difference between us?
Plant cell and animal cell.
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.
Make sketches of animal and plant cells which you observe under microscope.
