Telophase

Q.

In telophase, which of the following structures are reformed?

1. Chromosomes

2. Centrioles

3. Spindle fibres

4. Nuclear envelope and nucleolus

Q.

Division of the nucleus during cell division is called __________.

1. Cytokinesis

2. Metakinesis

3. Karyokinesis

4. Amphimixis

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. Metaphase

2. Anaphase

3. Telophase

4. Interphase

5. Prophase

Q.

Identify the correct sequence of phases during karyokinesis:

1. Interphase - karyokinesis - cytokinesis

2. - S - - karyokinesis - cytokinesis

3. Prophase - metaphase - anaphase - telophase

4. All of these

Q.

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

1. Chromosomes

2. Plasma membrane

3. Nuclear envelope

4. All of the above

Q.

Early anaphase in mitosis is characterized by the:

1. All of these

2. Contraction of continuous fibres

3. Separation of homologous chromosome

4. Division of centromere in each chromosome

Q. A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.

1. Cytokinesis - Cell plate formed, mitochondria distributed between two daughter cells
2. Telophase - Nuclear envelope re-forms, Golgi complex re-forms
3. Telophase - Endoplasmic reticulum and nucleolus not re-formed yet
4. Late Anaphase - Chromosomes move away from the equatorial plate, Golgi complex not present.

Q. Match the stages of mitosis to its respective events.

1. Chromosome formation
2. Spindle formation
3. Chromatids separate
4. Chromatin formation

Q. A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in:

1. Aneuploidy
2. Polyploidy
3. Somaclonal variation
4. Polyteny

Q. Which of the following events precede reorganisation of the nuclear envelope during the M-phase of the cell cycle?

1. Decondensation of chromosomes and reorganisation of nuclear lamina
2. Transcription of chromosomes and reorganisation of nuclear lamina
3. Formation of phragmoplast and contractile ring
4. Transcription of chromosomes and formation of the contractile rings