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प्रश्न
Name the following:
Replacement of dead cells is accomplished by which process.
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उत्तर
Mitosis
APPEARS IN
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.
Fill in the blank and explain the statement.
All chromosomes are arranged parallel to equatorial plane of cell in ______ phase of mitosis.
Fill in the blank and explain the statement.
For formation of plasma membrane, ____________ molecules are necessary.
With the help of suitable diagrams, explain the five stages of prophase-I of meiosis.
Describe anaphase in mitosis.
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.
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 well-labelled diagram to show the anaphase stage of mitosis in plant cells having four chromosomes.
Name the Following
The stage when chromosomes arrange at the equator.
Complete the following sentence with appropriate word :
______means the splitting of the 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.
Choose the Odd One Out
Multiple Choice Question:
The nuclear membrane and nucleolus become indistinguishable during
Write the functional activity of the following structure:
Colchicine
Give the sequence of the events occurring during the prophase of mitosis.
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.
During Mitosis what is the position of chromatids in the anaphase?
