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प्रश्न
Explain the advantages of cell division to your friend.
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उत्तर
Following are the advantages of cell division:
- Cell division is the property due to which a new organism (unicellular) is formed from an existing one.
- In the case of multicellular organisms, the growth of the organisms is dependent on cell division.
- It is also essential for the restoration of the emaciated body.
- Cell division is an important aspect of wound healing, formation of blood cells, and other such important life processes.
संबंधित प्रश्न
State the difference between:
Haploid and diploid
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
As you grow from childhood to adulthood, your skin cells divide only to replace such cells that are lost from the surface.
Shown below are four stages (A, B, C, D) (not in sequence) of a certain kind of cell division.
- Is it a plant cell or an animal cell? Give two reasons.
- Is it undergoing mitosis or meiosis?
- What should be the correct sequence of these four stages among themselves?
- Name the stage that should precede the earliest of these stages.
- Draw the stage names above inside the blank space provided.
Name the two kinds of cell division found in living organisms.
Explain the Term Cell division
Name the following:
The type of cell division present in unicellular organisms.
Prokaryotic cells divide through mitosis or meiosis.
State the characteristics of step of cell division shown in figure.
Nerve cell does not contains ______.
Living cells were discovered by
Name the organelles which show the analogy written as under
Control room of the cell——
The disappearance of spindle fibers is seen in ______.
The Bouquet stage refers to ______.
During meiosis in pachytene, stages the paired chromosomes are called ______.
Genetic variations occur in meiosis because of ______.
A mature RBC lacks a nucleus.
Nuclear membrane disappears completely in the phase called ______ of karyokinesis.
Explain the following concept in short:
Acrocentric chromosome
Give scientific reason.
Cell division is one of the important properties of cells and organisms.
