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प्रश्न
Define cell division.
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उत्तर
Cell division is one of the most fundamental characteristics of life. This is the method which enables life to perpetuate generation after generation.
संबंधित प्रश्न
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.
Somatic and stem cells undergo ______ type of division.
Fill in the blank:
The energy for cell division is stored as ______.
What is the direct cell division? Explain with an example.
What type of cell division does occur in somatic cells of the body?
Prokaryotic cells divide through mitosis or meiosis.
State the characteristics of step of cell division shown in figure.
Nerve cell does not contains ______.
______ is seen in unicellular animals.
The disappearance of spindle fibers is seen in ______.
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
I am the V shaped chromosome with central centromere and equal chromatid arms. What is my name?
Define the following term:
Aster
