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प्रश्न
Which type of cell division is required for growth and repair of body and which type is involved in formation of gametes?
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उत्तर
- Mitosis is used for the growth and repair of the body and produces diploid cells identical to each other and the parent cell.
- Meiosis is used for sexual reproduction, and haploid cells are different to each other and the parent cell. Thus, meiosis results in the formation of gametes.
संबंधित प्रश्न
What is osmosis?
Carry out the following osmosis experiment:
Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,
- Keep cup A empty.
- Put one teaspoon of sugar in cup B.
- Put one teaspoon salt in cup C.
- Put one teaspoon sugar in the boiled potato cup D.
Keep these for two hours. Then, observe the four potato cups and answer the following:
- Explain why water gathers in the hollowed portion of B and C.
- Why is potato A necessary for this experiment?
- Explain why water does not gather in the hollowed-out portions of A and D.
Differences between light microscope and electron microscope.
A plant cell has a cell wall made of :
The cell organelle that helps in the respiration of the cell is :
Where are the genes located in a cell?
Define the term cell? Also, describe types of cells.
What is the function of the following?
Ribosomes
Where is energy stored in a cell?
Make sketches of animal and plant cells which you observe under microscope.
