Cell Cycle and Cell Division PYQ

What is the main function of the spindle fibers during mitosis?

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 :

Given below are two statements: Statement I : Chromosomes become gradually visible under light microscope during leptotene stage. Statement II : The beginning of diplotene stage is recognized by dissolution of synaptonemal complex. In the light of the above statements, choose the correct answer from the options given below:

Match List-I with List-II \begin{array}{|l|l|l|l|}\hline & List-I & & List-II \\\hline A. & Cells are metabolically active and proliferate & I. & \mathrm{G}_2 phase \\\hline B. & DNA replication takes place & II. & \mathrm{G}_1 phase \\\hline C. & Proteins are synthesised & III. & \mathrm{G}_0 phase \\\hline D. & Quiescent stage with metabolically active cells & IV. & S phase \\\hline\end{array} Choose the correct answer from the options given below:

Spindle fibers attach to kinetochores of chromosomes during

Match List-I with List-II. $\begin{array}{|l|l|r|l|}\hline & \begin{array}{l} \text{List-I} \\ \text{Event} \end{array} & & \begin{array}{l} \text{List-II} \\ \text{Stage of Prophase-I (Meiosis-I)} \end{array} \\ \hline A. & \text{Chiasmata formation} & I. & \text{Pachytene} \\ \hline B. & \text{Crossing over} & II. & \text{Diakinesis} \\ \hline C. & \text{Synaptonemal complex formation} & III. & \text{Diplotene} \\ \hline D. & \text{Terminalisation of chiasmata} & IV. & \text{Zygotene} \\ \hline \end{array}$ Choose the correct answer from the options given below :

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

Recombination between homologous chromosomes is completed by the end of

Among eukaryotes, replication of DNA takes place in:

The dissolution of synaptonemal complex occurs during

Which one of the following is the quiescent stage of cell cycle ?

Select the correct statements. A. Tetrad formation is seen during the 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 chromosomes. Choose the correct answer from the options given below:

Select correct sequence of substages of Prophase-I of meiotic division: (A) Zygotene (B) Pachytene (C) Diakinesis (D) Leptotene (E) Diplotene Choose the correct answer from the options given below:

Doubling of the number of chromosomes can be achieved by disrupting mitotic cell division soon after

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 the interphase. In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II: <table class="pyq-table"><tbody><tr><td>List I</td><td>List II</td></tr><tr><td>A. M phase</td><td>I. Proteins are synthesized</td></tr><tr><td>B. G$_{2&nbsp;}$Phase</td><td>II. Inactive phase</td></tr><tr><td>C. Quiescent stage</td><td>III. Interval between mitosis and initiation of DNA replication</td></tr><tr><td>D. G$_{1}$ Phase</td><td>IV. Equational Division</td></tr></tbody></table>Choose the correct answer from the options given below:

During which stages of mitosis and meiosis, respectively does the centromere of each chromosome split?

The process of appearance of recombination nodules occurs at which sub stage of prophase I in meiosis?

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

With respect to metaphase, which of the following statements is incorrect?

The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:

Select the incorrect statement with reference to mitosis:

Which one of the following never occurs during mitotic cell division?

Regarding meiosis, which of the statements is incorrect?