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प्रश्न
Give Technical Terms
The stage in mitosis when the nucleolus starts disappearing.
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उत्तर
Prophase
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संबंधित प्रश्न
Given below is a diagram representing a stage during mitotic cell division in an animal cell Examine it carefully and answer the questions which follow.
- Identify the stage. Give one reason in support of your answer.
- Name the cell organelle that forms the ‘aster’.
- Name the parts labelled 1, 2 and 3.
- Name the stage that follows the one shown above; how is that stage identified?
- Mention two differences between mitosis and meiosis with regards to:
- The number of daughter cells produced.
- The chromosome number in the daughter cells.
Define the following:
Karyokinesis
In which one of the following options the two stages of mitosis have been given in correct sequence?
Differentiate between Centrosome and centromere.
Identify the stages of mitosis given below and label the figures.
The diagram below represents a certain stage of a cell.
(i) Is it an animal cell or a plant cell ? Give one reason in support of your answer.
(ii) Label the parts numbered 1 – 3.
(iii) Which stage (phase) of mitosis is represented in this 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.
Name the following:
The kind of division normally seen at the tip of the root and shoot system.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The alkaloid colchicine inhibits the formation of the mitotic spindle.
Explain the following figure.
In which stage of mitosis the chromosomes align in an equatorial plate? How?
During Mitosis what is the position of chromatids in metaphase?
Match List - I with List - II.
| List - I | List - II |
| A. Centromere | I. Mitochondrion |
| B. Cilium | II. Cell division |
| C. Cristae | III. Сell movement |
| D. Cell membrane | IV. Phospholipid Bilayer |
Choose the correct answer from the options given below:
What is the main function of the spindle fibres during mitosis?
