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प्रश्न
A plant cell can be identified from an animal cell by the :
विकल्प
absence of centrosome
presence of cell membranes.
Presence of vacuoles
none of the above
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उत्तर
absence of centrosome
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संबंधित प्रश्न
What is osmosis?
Write down differences between organ and organelle.
Give a brief account of discovery of the cell.
Fill in the blanks:
Organisms which are made up of a single cell are called ______ organisms.
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 are mitochondria called the powerhouse of the cell?
Write a short answer.
What is the relationship between growth and cell division?
Why was the invention of the microscope so important to the study of living beings?
Fill in the blank with a suitable word:
DNA is an abbreviated form of ______.
Sketch and describe in your own words, the animal cell
