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प्रश्न
Why are lysosomes called suicidal bags?
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उत्तर
During starvation, lysosomes burst and release their powerful enzymes, which act on their own cellular organelles and digest them. This results in cell death. Hence lysosomes are called suicidal bags.
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संबंधित प्रश्न
Which part of the cell contains organelles?
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:
The size of a cell is usually measured in centimetres
Define the term cell? Also, describe types of cells.
Fill in the blank with a suitable word:
Cell ______ was proposed by Schleiden and Schwann.
Fill in the blank with a suitable word:
______ controls all the metabolic activities of the cell.
Nerve cell is the longest cell
New cells are produced from the existing cells.
Who proposed the "Cell theory"?
