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प्रश्न
The diagram given below represents a certain stage of mitosis:
- Identify the stage of cell division.
- Name the parts labelled A and B.
- What is the unique feature observed in this stage?
- How many daughter cells are formed from this type of cell division?
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उत्तर
- Anaphase
- A - Spindle fibre, B - Centromere
- During this stage (anaphase), the two sister chromatids of each chromosome separate and are drawn towards the opposite poles because of the shortening of spindle fibres.
- This type of cell division (mitosis) results in the formation of two daughter cells.
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संबंधित प्रश्न
The diagram given below represents a stage during cell division.
Study the same and answer the questions that follow:
- Identify whether it is a plant cell or an animal cell. Give a reason in support of your answer.
- Name the stage depicted in the diagram. What is the unique feature observed in this stage?
- Name the type of cell division that occurs during:
- Replacement of old leaves by new ones
- Formation of gametes
- What is the stage that comes before the stage shown in the diagram?
- Draw a neat, labelled diagram of the stage mentioned in (iv) above keeping the chromosome number constant.
All chromosomes are arranged parallel to equatorial plane of cell in ______ phase of mitosis.
Define the following:
Karyokinesis
Fill in the blank:
______ takes place in body cells resulting in growth and development.
Identify the stages of mitosis given below and label the figures.
The figure below shows a certain stage of mitosis:
(i) Name the stage,
(ii) Label the parts 1 to 4
(iii) How many chromosomes are shown here?
Draw a well-labelled diagram to show the anaphase stage of mitosis in plant cells having four chromosomes.
Explain the Term Pachytene
Name the following:
Mitosis takes place in which cells.
Name the Following
Nuclear envelope and nucleoli reappear in which stage.
Complete the following sentence with appropriate word :
Colchicine arrests cell division at __________.
Choose the Odd One Out
Identify the stage of mitosis from the below picture. List the chromosomal events in this stage.
Name these:
Two steps of the process Mitosis
What is the main function of the spindle fibres during mitosis?
