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NEET UG Cell Cycle and Cell Division — practice questions — page 3

Explore 107 free Cell Cycle and Cell Division questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Cell Cycle and Cell Division questions and exercises with answers

Showing questions 61–90 of 107.

The plane along which chromosomes line up in metaphase is called what?Read the answer and worked solution →Which pair of events defines mitotic anaphase?Read the answer and worked solution →As a chromosome moves to a pole in anaphase, which part leads?Read the answer and worked solution →What happens to chromosomes during mitotic telophase?Read the answer and worked solution →Which cell parts reform during mitotic telophase?Read the answer and worked solution →How does an animal cell divide its cytoplasm during cytokinesis?Read the answer and worked solution →In plant cytokinesis, how does the new cell wall develop?Read the answer and worked solution →The cell plate formed in plant cytokinesis represents which layer?Read the answer and worked solution →Plant cells do not divide by a furrow mainly because they have what?Read the answer and worked solution →Karyokinesis without cytokinesis gives a multinucleate condition called what?Read the answer and worked solution →Which is a well-known example of a syncytium?Read the answer and worked solution →Cell growth upsets which ratio that cell division then restores?Read the answer and worked solution →Mitosis in which plant tissue lets plants keep growing all their life?Read the answer and worked solution →Meiosis has two nuclear divisions but how many rounds of DNA replication?Read the answer and worked solution →How many haploid cells are formed when meiosis II is complete?Read the answer and worked solution →Meiotic recombination occurs between which chromatids?Read the answer and worked solution →Meiosis creates the haploid phase of a life cycle. What restores the diploid phase?Read the answer and worked solution →Which substage of prophase I comes right after zygotene?Read the answer and worked solution →In which substage of prophase I do chromosomes first become gradually visible?Read the answer and worked solution →The pairing of homologous chromosomes during zygotene is called what?Read the answer and worked solution →Electron micrographs show chromosome pairing in zygotene is accompanied by what?Read the answer and worked solution →The complex made by a paired set of homologous chromosomes is called what?Read the answer and worked solution →Recombination nodules, the sites of crossing over, appear in which substage?Read the answer and worked solution →Which enzyme carries out crossing over during meiosis?Read the answer and worked solution →Recombined homologues start separating except at crossover sites in which substage?Read the answer and worked solution →In oocytes of some vertebrates, which prophase I stage can last months or years?Read the answer and worked solution →Terminalisation of chiasmata takes place in which substage of prophase I?Read the answer and worked solution →What lines up on the equatorial plate in metaphase I of meiosis?Read the answer and worked solution →What separates from each other during anaphase I of meiosis?Read the answer and worked solution →Telophase I followed by cytokinesis produces what?Read the answer and worked solution →

Worked practice questions

The plane along which chromosomes line up in metaphase is called what?

  1. Cell plate
  2. Middle lamella
  3. Cleavage furrow
  4. Metaphase plate
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Correct answer: D. Metaphase plate

Chromosomes align at the equator on a plane known as the metaphase plate.

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Which pair of events defines mitotic anaphase?

  1. Centromeres split, chromatids part
  2. Homologous chromosomes pair up
  3. Nuclear envelope forms again
  4. Chromosomes start condensing
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Correct answer: A. Centromeres split, chromatids part

In anaphase each centromere splits and the sister chromatids move to opposite poles.

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As a chromosome moves to a pole in anaphase, which part leads?

  1. Telomere region
  2. Centromere region
  3. Free chromosome arms
  4. Nucleolar organiser
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Correct answer: B. Centromere region

The centromere faces the pole at the leading edge while the arms trail behind.

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