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Question
Give one main function of the following:
Chloroplast
Solution
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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RELATED QUESTIONS
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.
Explain why chloroplasts are found only in plant cells?
Name the scientist who invented the first microscope
Who coined the term “cell” ?
Match the name of the organelle given in Column A with its function given in Column B.
| Column A (Organelle) | Column B (Function) | ||
| 1 | leucoplast | a | help in cell division |
| 2 | nucleus | b | transport of material |
| 3 | ribosomes | c | making food |
| 4 | mitochondria | d | digesting foreign bodies |
| 5 | endoplasmic reticulum | e | storage of starch and proteins |
| 6 | golgi bodies | f | making the cell turgid |
| 7 | chloroplast | g | making proteins |
| 8 | centrosome | h | controlling all the vital activities of a cell |
| 9 | vacuole | i | releasing energy |
| 10 | lysosomes | j | synthesis of cell wall in a plant cell |
Write true or false for each statement. Rewrite the false statements correctly:
Growth and reproduction are based on cell division
Write a short answer.
Why is a cell called the structural unit of a living organism?
Sketch and describe in your own words, the animal cell
