Cell Cycle and Cell Division PYQs

Match List I with List II: Choose the correct answer from the options given below:

Match List I with List II : Choose the correct answer from the options given below:

Following are the stages of cell division : A. Gap 2 phase B. Cytokinesis C. Synthesis phase D. Karyokinesis E. Gap 1 phase Choose the correct sequence of stages from the options given below :

Among eukaryotes, replication of DNA takes place in -

Which of the following stages of meiosis involves division of centromere?

Match List I with List II : Choose the correct answer from the options given below :

Select the correct statements. A. Tetrad formation is seen during Leptotene. B. During Anaphase, the centromeres split and chromatids separate. C. Terminalization takes place during Pachytene. D. Nucleolus, Golgi complex and ER are reformed during Telophase. E. Crossing over takes place between sister chromatids of homologous chromosome. Choose the correct answer from the options given below:

Given below are two statements: Statement I: During $G_0$ phase of cell cycle, the cell is metabolically inactive. Statement II: The centrosome undergoes duplication during S phase of interphase. In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following never occurs during mitotic cell division?

Match List-I with List-II: Choose the correct answer from the options given below :

Regarding Meiosis, which of the statements is incorrect?

Select the incorrect statement with reference to mitosis:

Which of the following stages of meiosis involves division of centromere?

Match List-I with List-II. Choose the correct answer from the options given below.Match List-I with List-II. Choose the correct answer from the options given below.

Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature?

The fruit fly has 8 chromosomes (2n) in each cell. During interphase of mitosis if the number of chromosomes at G₁ phase is 8, what would be the number of chromosomes after S phase?

The centriole undergoes duplication during:

Identify the correct statement with regard to $G_1$ phase (Gap 1) of interphase.

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G₀). This process occurs at the end of

Dissolution of the synaptonemal complex occurs during

Crossing over takes place between which chromatids and in which stage of the cell cycle?

Select the incorrect match:

The stage during which separation of the paired homologous chromosomes begins is:

Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?

DNA replication in bacteria occurs

Which of the following options gives the correct sequence of events during mitosis?

During cell growth, DNA synthesis takes place in

When a cell has stalled DNA replication fork, which checkpoint should be predominantly activated?

Match the stages of meiosis of Column-I to their characteristic features in Column-II and select the correct option using the codes given below:

Arrange the following events of meiosis in correct sequence: (a) Crossing over (b) Synapsis (c) Terminalisation of chiasmata (d) Disappearance of nucleolus

During which phase(s) of the cell cycle does the amount of DNA in a cell remain at 4C level if the initial amount is denoted as 2C?

In 'S' phase of the cell cycle:

The complex formed by a pair of synapsed homologous chromosomes is called

Meiosis takes place in

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

Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres:

At metaphase, chromosomes are attached to the spindle fibres by their:

Synapsis occurs between:

Given below is a schematic break-up of the phases / stages of cell cycle. Which one of the following is the correct indication of the stage / phase in the cell cycle?

Write the location and function of Centromere.

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

Centromere is required for:

Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following. Which of the cells are least likely to be replaced by new cells?