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प्रश्न
Distinguish between the following pairs of science :
Cell wall and cell membrane
अंतर स्पष्ट करें
उत्तर
| Cell wall | Cell membrane |
| (i) It is a non-living rigid layer. | (i) It is a living, thin, flexible membrane. |
| (ii) It is made of cellulose. | (ii) It is made of lipoproteins. |
| (iii) It is freely permeable. | (iii) It is semi-permeable. |
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संबंधित प्रश्न
Write short note on the following :
(a) Golgi apparatus
(b) Mitochondria
Match the item in column 'A' with those in column 'B'.
| Column A | Column B |
| (a) Vacuoles | (i) Intracellular digestion |
| (b) Nucleolus | (ii) Respiratory enzymes |
| (c) Lysosomes | (iii) Covered by tonoplast |
| (d) Anthocyanin | (iv) Dissolved in the cytoplasm |
| (e) Cristae | (v) Forms RNA |
________ is surrounded by microtubules, located near the nucleus.
Fill in the blanks :
Very thin flexible, a living membrane which is differentially permeable, is called__________.
What is the difference between an organ and an organelle?
State the major function of the following :
Vacuoles
The cell membrane is called selectively permeable. Why?
State the difference between Nucleus and nucleolus
Fill in the blanks:
______ membrane is a selectively permeable membrane.
Fill in the blanks:
Golgi bodies are also called ______.
