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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.
Write short notes on the following.
Nucleus of a cell
What is the name of the chemical substance which constitutes the genes?
Name the scientist who invented the first microscope.
Fill in the blank with a suitable word:
______ controls all the metabolic activities of the cell.
the question has four options. Choose the correct answer:
The word cell was given by
An electron microscope is necessary for the study of ______.
What is difference between us?
Prokaryotic cell and eukaryotic cell.
Answer the following question.
Why is the cell called the structural and functional unit of life?
The instrument used to observe the cell is _____
