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प्रश्न
Give functions.
Nucleus
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उत्तर १
- It controlls all metabolic activities of the cell and also the cell division.
- It is involved in the transmission of hereditary characters from parents to offspring.
उत्तर २
Functions of nucleus:
- It is the control centre of a cell as it controls all the activities of the cell.
- It also contains gene-containing chromosomes which are the units of inheritance in an organism.
संबंधित प्रश्न
Name the Following :(A) Smallest Cell Organelle
What would have happened? If.........
Plants lacked anthocyanin.
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 |
Put a tick mark (✓) against the correct alternative in the following statement:
Identify the part which contain pigment
Fill up the blank with the terms given below
Animal cells have no cell ______.
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
Analogy:
Plant organ: stem:: Animal organ: ______.
Identify the cellular structure with the help of the following clue:
It consists of cisternae, vesicles and vacuoles.
Identify the cellular structure with the help of the following clue:
It is made up of DNA threads.
Define the following term:
Protoplasm
