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प्रश्न
Fill in the blank with a suitable word:
DNA is an abbreviated form of ______.
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उत्तर
DNA is an abbreviated form of Deoxyribonucleic acid
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संबंधित प्रश्न
Where are chromosomes found in a cell? State their function.
Do you think the cells of an elephant would be larger than the cells of a rat? Explain briefly.
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 a short answer.
Why is a cell called the structural unit of a living organism?
Name any five cell organelles.
What was the contribution of the following to our knowledge of cells?
Schleiden
What is the function of the following?
Mitochondria
Where is energy stored in a cell?
When will you use a simple microscope and when, a compound microscope? Explain in detail how you will use them.
Robert Hooke saw many objects like Butterfly’s compound eyes, Bee’s wings, etc.
