NEET UG 2023 — Cell Cycle and Cell Division

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

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?

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:

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

The dissolution of synaptonemal complex occurs during

Among eukaryotes, replication of DNA takes place in: