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प्रश्न
Who says that cell is the biological unit of body structure?
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उत्तर
Schleiden and Schwann
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संबंधित प्रश्न
Complete the crossword with the help of clues given below.
Across
1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.
Down
1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.
What are main functional regions of the cell?
Draw a well labelled diagram of animal cell and mention one function of the main cell organelles.
What are centrioles? Write about their functions.
Fill in the blanks :
_______ are hereditary units.
Mention any three differences between a living cell and a brick in a wall.
State the major function of the following :
Lysosomes
State the major function of the following :
Chromosomes:
Write true or false for each statement. Rewrite the false statements correctly:
The nuclear membrane encloses a colourless, dense fluid called nucleoplasm
Give two examples of cell organelles.
