Advertisements
Advertisements
प्रश्न
Name the following:
Replacement of dead cells is accomplished by which process.
Advertisements
उत्तर
Mitosis
APPEARS IN
संबंधित 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?
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.
The diagram below represents a stage during cell division. Study the same and then answer the questions that follow:
- Name the parts labelled 1, 2, and 3.
- Identify the above stage and give a reason to support your answer.
- Mention where in the body this type of cell division occurs.
- Name the stage prior to this stage and draw a diagram to represent the same.
All chromosomes are arranged parallel to equatorial plane of cell in ______ phase of mitosis.
With the help of suitable diagrams, explain the five stages of prophase-I of meiosis.
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 labeled schematic representation of mitosis cell division.
Name the following:
The kind of division normally seen at the tip of the root and shoot system.
Name the Following
Nuclear envelope and nucleoli reappear in which stage.
Give Technical Terms
The stage at which spindle fibres begin to be formed.
Write the functional activity of the following structure:
Colchicine
Give the sequence of the events occurring during the prophase of mitosis.
During Mitosis what is the position of chromatids in the anaphase?
What is the main function of the spindle fibres during mitosis?
