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प्रश्न
Explain why chloroplasts are found only in plant cells?
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उत्तर
Chloroplasts are found only in plant cells. They contain a green pigment called chlorophyll. This green pigment is important for photosynthesis in green plants. This chlorophyll pigment traps solar energy and utilizes it to manufacture food for the plant.
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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.
Which type of cell division is required for growth and repair of body and which type is involved in formation of gametes?
Which one of the following is found both in the cells of a mango plant and a monkey?
Name the part of the cell concerned with the following:
Hydrolytic in function
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
Why was the invention of the microscope so important to the study of living beings?
Name any five cell organelles.
Name the different organelles in a cell?
