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प्रश्न
Fill in the blanks :
_______ are hereditary units.
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उत्तर
Genes are hereditary units.
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संबंधित प्रश्न
If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?
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.
_________ consists of membranous sacs and secrets 40 types of digestive enzymes.
Fill in the blanks :
__________ is a plastid which stores starch.
Distinguish between the following pairs of science :
Cell wall and cell membrane
State the major function of the following :
Ribosome
State the difference between Nucleus and nucleolus
Fill in the blanks:
The ______ contains a network of thread-like structures called chromatin network.
Write true or false for each statement. Rewrite the false statements correctly:
At the time of cell division the chromatin network changes into small thread-like structures called genes
Identify the cellular structure with the help of the following clue:
It is made up of DNA threads.
