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प्रश्न
Study the diagram given below which represents a stage during the mitotic cell division and answer the questions that follow
(i) Identify the stage giving suitable reasons.
(ii) Name the parts numbered 1 and 2.
(iii) What is the technical term for the division of nucleus?
(iv) Mention the stage that comes before the stage shown in the diagram. Draw a neat labelled diagram of the stage mentioned.
(v) Which is the cell division that results in half the number of chromosomes in daughter cells?
उत्तर
(i) Telophase
(ii) 1 – Daughter chromosome, 2 – Nuclear membrane
(iii) Karyokinesis is the technical term for the division of a nucleus.
(iv) Anaphase
(v) Meiosis
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संबंधित प्रश्न
After mitotic cell division, a female human cell will have
A. 44 + XX chromosomes
B. 44 + XY chromosomes
C. 22 + X chromosomes
D. 22 + Y chromosomes
Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the questions which follow :
(i) Is it a plant cell or an animal cell? Give a reason to support your answer.
(ii) Identify the stage shown.
(iii) Name the stage which follows the one shown here. How is that stage identified?
(iv) How will you differentiate between mitosis and meiosis on the basis of the chromosome number in the daughter cells?
(v) Draw a duplicated chromosome and label its parts.
Mitosis occurs in our ______ cells.
Fill in the blank :
Mitosis produces two daughter cells whereas meiosis produces ______ daughter cells.
Distinguish between
Mitosis and meiosis.
With the help of suitable diagrams, explain mitosis in detail.
The spindle fibres start appearing from _______ stage of karyokinesis.
___________ cells divide by mitosis.
The first step of karyokinesis is ____________.
_________ is not a part of mitosis.