Telophase

Q. what is amitotic cell division

Q.

Histone protein synthesis occurs during :

1. phase

2. phase

3. Prophase

4. S phase

Q.

Movement of the chromatids towards the opposite poles of the cell is called:

1. Prometaphase

2. Karyokinesis

3. Cytokinesis

4. Metakinesis

Q. In the Metaphase stage of Mitosis, each chromosome consists of _____ chromatid (s), _______ centromere(s), _______kinetochore(s) and ______ unit(s) of DNA .

1. 2, 2, 2, 2

2. 2, 1, 1, 1

3. 2, 1, 2, 1

4. 2, 1, 2, 2

Q.

Which among the following is not an event of the telophase stage during mitosis?

1. Reappearance of the nucleoli

2. Daughter chromosomes position themselves at the poles

3. The cleavage furrow separates both the cells

4. Division of centromere occurs

Q. Karyokinesis ends with __________ stage of mitosis.

1. metaphse
2. telophase
3. anaphase
4. prophase

Q.

Division of the nucleus during cell division is called

1. Cytokinesis

2. Metakinesis

3. Karyokinesis

4. Amphimixis

Q.

What happens during telophase?

Q.

Study the diagram given below which represents a stage during the mitotic cell division answer the questions that follow:

(i) Identify the stage giving suitable reasons.

(ii) Name the parts numbered A and B.

(iii) What is the technical term for the division of the nucleus?

(iv) Mention the stage that comes before the stage shown in the diagram. Draw a neat labeled diagram of the stage mentioned.

(v) Which is the cell division that results in half the number of chromosomes in daughter cells?

Q.

The centromere divides into two during

1. Prophase

2. Metaphase

3. Anaphase

4. Telophase

Q.

Division of centromere followed by separation of sister chromatids is observed during

1. Metaphase

2. Prophase

3. Anaphase

4. Telophase

Q. During ________ stage of mitosis, the chromosomes are arranged at the central plane of the cell.

1. prophase
2. metaphase
3. anaphase
4. telophase

Q.

The diagram give 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 labelled 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.
Figure

Q. What is interphase? Mention three significant changes that occur in a cell during interphase. [4 MARKS]

Q. Identify the stage of mitosis by the image and key changes in the process.

Key changes:

* Spindle fibres disappear.

* Cell membrane completes constriction.

* Nuclear membrane reappears.

* Cytokinesis follows.

1. Anaphase
2. Telophase
3. Metaphase
4. Prophase

Q.

When does Cytokinesis begin and end in mitosis?

1. From Metaphase to Anaphase

2. End of Metaphase to beginning of Anaphase

3. During Anaphase to the end of Telophase

4. Beginning of Anaphase to the beginning of Telophase

Q. What is the type of cell division that takes place without any change in the chromatin reticulum?

1. Amitosis
2. Mitosis
3. Synapsis
4. Meiosis

Q.

During telophase of cell division (mitosis), endoplasmic reticulum gives rise to materials of

1. Chromosomes

2. Plasma membrane

3. Nuclear envelope

4. All of the above

Q.

At what stage of the cell cycle are histone proteins synthesised in a eukaryotic cell?

1. During entire prophase

2. During telophase

3. During S-phase

4. During the G2 phase of prophase

Q.

STATE WHETHERTRUE OR FALSE ;

1.DUPLICATED CHROMOSOMES REMAINS ATTACHED AT A POINT TERMED CENTROSOME .

3. THE RESTING STAGE IN MITOSIS IS CALLED INTERPHASE.

4. MITOSIS IS A TYPE OF CELL DIVISON OCCURING IN CELLS OF INJURED PARTS OF BODY .

Q. Complete the following statements by choosing the appropriate option for each blank:
Karyokinesis ends with the __________ stage of mitosis.

[1 Mark]

1. prophase
2. metaphase
3. anaphase
4. telophase

Q.

Identify the stage of Mitosis by the image and key changes in the process.

Key changes:

* Spindle fibres disappear.

* Cell membrane completes constriction.

* Nuclear membrane reappears.

* Cytokinesis follows.

1. Anaphase

2. Telophase

3. Interphase

4. Prophase

5. Metaphase

Q. Which of the following can not be considered as mitogen?

1. Cytokinin
2. Insulin
3. Colchicine
4. Auxin

Q. What is true of polytene chromosome?

1. They are in permanent prophase
2. They show chiasmata
3. Lateral loops occur at most places
4. They are bivalents

Q. Myelin sheath breaks at intervals by depressions called ________

1. Nodes of Schwann
2. Nodes of glial cells
3. Nodes of astrocytes
4. Nodes of ranvier

Q.

Identify the stage of mitosis by inspecting the image and key changes listed.

Key changes:

* Chromosomes are arranged at equatorial plate.

* Spindle fibres attach to the chromosomes.

1. Metaphase

2. Anaphase

3. Telophase

4. Prophase

Q.

When does Cytokinesis begin and end in mitosis?

1. End of Metaphase to beginning of Anaphase

2. From Metaphase to Anaphase

3. During Anaphase to the end of Telophase

4. Beginning of Anaphase to the beginning of Telophase

Q.

Study the diagram given below which represents a stage during the mitotic cell division and answer the question that follows:

(i) Identify the stage by suitable example.

(ii) Name the parts numbered 1 and 2.

(iii) What is the technical term for the division of nucleus?

(iv) Mention the stage that comes before the stage shown in the diagram. Draw a neat labelled diagram of the stage mentioned.

(v) Which is the cell division that results in the half the number of chromosomes in daughter cells?

Q.

In telophase, which of the following structures are reorganised?

1. Centrioles

2. Nuclear envelope and nucleolus

3. Chromosomes

4. Spindle fibres

Q.

Identify the stage of Mitosis by inspecting the image and key changes listed.

Key changes:

* Chromosomes are doubled.

* Spindle fibres attach to the chromosomes.

* Chromosomes are arranged at equatorial plate.

1. Metaphase

2. Anaphase

3. Telophase

4. Interphase

5. Prophase