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Question
Define the following:
Karyokinesis
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Solution
Karyokinesis - It is the nuclear division where nucleus divides into two.
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RELATED QUESTIONS
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.
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.
Fill in the blank:
______ takes place in body cells resulting in growth and development.
The diagram given alongside represents a stage in cell division.
Study the same and answer the questions that follow:
(i) Identify the stage of cell division.
(ii) Name the parts labeled A,B,C and D.
(iii) What is the unique feature observed in this stage?
(iv) Where does this type of cell division usually occur?
(v) How many daughter cells are formed from this type of cell division?
(vi) Is the dividing cell shown a plant or an animal cell?
Give a reason to support your answer.
Choose the correct answer:
Which division takes most time?
Choose the correct answer:
Nuclear membrane reappears in ____________
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:
The kind of division normally seen at the tip of the root and shoot system.
Give Technical Terms
Division of nucleus.
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.
Multiple Choice Question:
Karyokinesis is the division of
Write the functional activity of the following structure:
Colchicine
Identify the stage of mitosis from the below picture. List the chromosomal events in this stage.
Name these:
Two steps of the process Mitosis
