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प्रश्न
In which one of the following options the two stages of mitosis have been given in correct sequence?
पर्याय
Prophase, metaphase, telophase, anaphase
Prophase, metaphase, anaphase, telophase
Anaphase, telophase, prophase, metaphase
Telophase, anaphase, prophase, metaphase
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उत्तर
Prophase, metaphase, anaphase, telophase
Explanation:
In mitosis, the stages occur in the following sequence:
Prophase → Metaphase → Anaphase → Telophase Option (b) correctly lists the stages of mitosis in the correct sequence, starting with prophase, followed by metaphase, anaphase and ending with telophase.
संबंधित प्रश्न
Genetic recombination occurs in ______ phase of prophase of meiosis-I.
Fill in the blank and explain the statement.
All chromosomes are arranged parallel to equatorial plane of cell in ______ phase of mitosis.
Describe anaphase in mitosis.
Define the following:
Karyokinesis
Fill in the blank:
______ takes place in body cells resulting in growth and development.
The fig given alongside shows a certain stage in a cell division in a cell with four chromosomes.
(i) Name the parts of the chromosome labeled A and B.
(ii) Name the structure C. what is its function?
(iii) Name the type of division . Give a reason.
(iv) Name the stage of division.
(v) Name the stages before and after the stage shown in diagram.
Draw a labeled schematic representation of mitosis cell division.
Draw a well-labelled diagram to show the anaphase stage of mitosis in plant cells having four chromosomes.
Complete the following sentence with appropriate word :
Colchicine arrests cell division at __________.
Write the functional activity of the following structure:
Colchicine
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the terms in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Anaphase | (a) Chromosomes become arranged in a horizontal plane at the equator. |
| (ii) Prophase | (b) Daughter chromosomes move to opposite poles of the spindle. |
| (iii) Telophase | (c) Chromosomes become visible as fine, long threads. |
| (iv) Metaphase | (d) Chromosomes lose their distinctiveness and gradually become transformed into chromatin network. |
The karyotype (set of chromosomes) shown below is taken from a dividing cell in a certain individual.
(i) Is the individual male or female? Explain your answer.
(ii) How would you expect
(a) a female cell and
(b) sperm cell to differ in chromosome composition?
Explain the following figure.
Identify the stage of mitosis from the below picture. List the chromosomal events in this stage.
The diagram given below represents a stage in mitosis.
- Identify the stage given above.
- Give one reason to support your answer in (a).
- Mention the number of chromosomes given in the diagram.
What is the main function of the spindle fibres during mitosis?
