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Cell Cycle and Cell Division · Question 55

NEET 2013MCQEasy📈 Topic in 50% papers+4−1
1

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

  1. Telophase Endoplasmic reticulum and nucleolus not reformed yet.
  2. Telophase Nuclear envelope reforms, Golgi complex reforms.
  3. Late anaphase Chromosomes move away from equatorial plate, Golgi complex not present.
  4. Cytokinesis Cell plate formed, mitochondria distributed between two daughter cells.

Answer

(2) Telophase Nuclear envelope reforms, Golgi complex reforms.

Solution

The figure shows two chromosome clusters at the opposite poles, the cell constricting in the middle and a nucleus re-forming at each pole; this is telophase.

As per NCERT, in telophase the chromosomes cluster at opposite spindle poles, the nuclear envelope assembles around each cluster forming two daughter nuclei, and the nucleolus, Golgi complex and ER reform.

Answer: (2)

NEET 2013

Keep practising — Cell Cycle and Cell Division

2

During meiosis I, the chromosomes start pairing at

  1. zygotene
  2. pachytene
  3. diplotene
  4. leptotene.
NEET 2013 (Karnataka)
3

During the metaphase stage of mitosis, spindle fibres attach to chromosomes at

  1. kinetochore
  2. both centromere and kinetochore
  3. centromere, kinetochore and areas adjoining centromere
  4. centromere.
NEET 2013 (Karnataka)
4

A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? [Figure]

  1. Anaphase - Centromeres split and chromatids separate and start moving away.
  2. Late prophase - Chromosomes move to spindle equator.
  3. Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids separate.
  4. Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids.
NEET 2013 (Karnataka)
5

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

  1. Metaphase I
  2. Metaphase II
  3. Anaphase I
  4. Anaphase II
AIPMT 2012 (Mains)
6

During gamete formation, the enzyme recombinase participates during

  1. metaphase I
  2. anaphase II
  3. prophase I
  4. prophase II.
AIPMT 2012 (Prelims)
7

Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage? [Figure]

  1. Prophase of Mitosis
  2. Both prophase and metaphase of mitosis
  3. Prophase I during meiosis
  4. Prophase-II during meiosis
AIPMT 2012 (Prelims)
8

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

  1. satellites
  2. secondary constrictions
  3. kinetochores
  4. centromeres.
AIPMT 2011 (Mains)
9

Select the correct option with respect to mitosis.

  1. Chromatids separate but remain in the centre of the cell in anaphase
  2. Chromatids start moving towards opposite poles in telophase
  3. Golgi complex and endoplasmic reticulum are still visible at the end of prophase
  4. Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase
AIPMT 2011 (Prelims)
10

During mitosis, ER and nucleolus begin to disappear at

  1. late prophase
  2. early metaphase
  3. late metaphase
  4. early prophase
AIPMT 2010 (Prelims)
11

Which stages of cell division do the following figures A and B represent respectively? [Figure]

  1. A Prophase, B Anaphase
  2. A Metaphase, B Telophase
  3. A Telophase, B Metaphase
  4. A Late anaphase, B Prophase
AIPMT 2010 (Prelims)

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