Prophase

Q. In which of the following phases do the cell organelles increase in number?

1. $G_1$ phase
2. M- phase
3. S phase
4. $G_2$ phase

Q. In cell division, DNA synthesis takes place during:

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

Q. Which phase of mitosis is observed after G${}_2$ phase?

1. $G_1$ phase
2. Interphase
3. Prophase
4. Metaphase

Q.

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

Key changes:

* Nucleolus and nuclear membrane disappears.

* Organelles disappear, formation of chromosomes.

* Centrioles organise to form spindle fibres.

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

Q. Condensation of chromatin and decondensation of chromosomes occur respectively during

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

Q.

When do centrioles split and go to the poles of the cell?

1. During Anaphase

2. Beginning of Prophase

3. End of Prophase

4. Beginning of Metaphase