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Cell Cycle and Cell Division — NEET UG Botany PYQs

794 previous year questions from Cell Cycle and Cell Division with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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1

The correct sequence of adult cell cycle phases is __________.

NEET 2026 Solution View → 2

Match List I with List II : List I (Phase of cell cycle) List II (Activity) A. G₁ phase I. Actual cell division occurs B. S phase II. Cell is metabolically active and continuously

NEET 2026 Solution View → 3

Given below are two statements : Statement I : Chromosomes are fully condensed at the end of prophase I. Statement II : Meiosis I resembles mitosis. In the light of the above state

NEET 2026 Solution View → 4

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

NEET 2025 Solution View → 5

Match List-I with List-II. array |l|l|r|l| & array l List-I Event array & & array l List-II Stage of Prophase-I (Meiosis-I) array A. & Chiasmata formation & I. & Pachytene B. & Cro

NEET 2024 Solution View → 6

Match List-I with List-II array |l|l|l|l| & List-I & & List-II A. & Cells are metabolically active and proliferate & I. & G ₂ phase B. & DNA replication takes place & II. & G ₁ pha

NEET 2024 Solution View → 7

Recombination between homologous chromosomes is completed by the end of

NEET 2024 Solution View → 8

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

NEET 2024 Solution View → 9

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

NEET 2024 Solution View → 10

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 g

NEET 2024 Solution View → 11

Spindle fibers attach to kinetochores of chromosomes during

NEET 2024 Solution View → 12

The dissolution of synaptonemal complex occurs during

NEET 2023 Solution View → 13

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

NEET 2023 Solution View → 14

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 opt

NEET 2023 Solution View → 15

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

NEET 2023 Solution View → 16

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

NEET 2023 Solution View → 17

Among eukaryotes, replication of DNA takes place in:

NEET 2023 Solution View → 18

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

NEET 2023 Solution View → 19

Match List I with List II: List I List II A. M phase I. Proteins are synthesized B. G 2 Phase II. Inactive phase C. Quiescent stage III. Interval between mitosis and initiation of

NEET 2023 Solution View → 20

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 o

NEET 2023 Solution View → 21

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

NEET 2023 Solution View → 22

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 d

NEET 2023 Solution View → 23

Which stage of meiosis can last for months or years in the oocytes of some verterbrates?

NEET 2022 Solution View → 24

In meiosis, crossing over and exchange of genetic material between homologous chromosomes are catalyzed by the enzyme.

NEET 2022 Solution View → 25

Bivalent or Tetrad formation is a characteristic feature observed during :

NEET 2022 Solution View → 26

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

NEET 2022 Solution View → 27

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

NEET 2022 Solution View → 28

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

NEET 2022 Solution View → 29

Select the incorrect statement with reference to mitosis:

NEET 2022 Solution View → 30

Regarding meiosis, which of the statements is incorrect?

NEET 2022 Solution View → 31

Identify the correct sequence of events during Prophase I of meiosis: (a) Synapsis of homologous chromosomes (b) Chromosomes become gradually visible under microscope (c) Crossing

NEET 2022 Solution View → 32

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

NEET 2021 Solution View → 33

Match Column - I with Column - II. Column -I Column -II (a) S phase (i) Proteins are synthesized (b) G 2 phase (ii) Inactive phase (c) Quiescent stage (iii) Interval between mitosi

NEET 2021 Solution View → 34

The fruit fly has 8 chromosomes ( 2 n ) in each cell. During the interphase of mitosis if the number of chromosomes at G 1 phase is 8 . What would be the number of chromosomes afte

NEET 2021 Solution View → 35

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

NEET 2021 Solution View → 36

The centriole undergoes duplication during:

NEET 2021 Solution View → 37

Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:

NEET 2020 Solution View → 38

In a mitotic cycle, the correct sequence of phases is:

NEET 2020 Solution View → 39

During meiosis I , in which stage synapsis takes place?

NEET 2020 Solution View → 40

Match the following with respect to meiosis (a) Zygotene (i) Terminalization (b) Pachytene (ii) Chiasmata (c) Diplotene (iii) Crossing over (d) Diakinesis (iv) Synapsis Select the

NEET 2020 Solution View → 41

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G 0 ). This process occurs at the end of

NEET 2020 Solution View → 42

Dissolution of the synaptonemal complex occurs during

NEET 2020 Solution View → 43

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

NEET 2020 Solution View → 44

Match the following events that occur in their respective phases of the cell cycle and select the correct option: Column-I Column-II (a) G 1 phase (i) Cell grows and organelle dupl

NEET 2020 Solution View → 45

What happens to a cell during M phase of cell cycle?

AIIMS 2019 Solution View → 46

What will be the DNA content and number of chromosomes in a cell of after S-phase compared to the gamete of the same organism?

JIPMER 2019 Solution View → 47

Synaptonemal complex is formed

JIPMER 2019 Solution View → 48

After meiosis-I, the resultant daughter cells have

NEET 2019 Solution View → 49

The correct sequence of phases of cell cycle is:

NEET 2019 Solution View → 50

Cells in G 0 phase:

NEET 2019 Solution View → 51

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

NEET 2019 Solution View → 52

Which of the following is not a characteristic of meiosis?

AIIMS 2018 Solution View → 53

Which of the following is key event of anaphase of mitotic division?

AIIMS 2018 Solution View → 54

Chromosome number is reduced during meiosis because the process consists of

AIIMS 2018 Solution View → 55

Assertion: Bivalents are formed during pachynema. Reason: Bivalent and tetrad conditions of chromosomes are two different conditions.

AIIMS 2018 Solution View → 56

Which of the following statements is incorrect about G ₀ phase?

AIIMS 2018 Solution View → 57

Above diagram represents

JIPMER 2018 Solution View → 58

Above diagram represents

JIPMER 2018 Solution View → 59

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

NEET 2018 Solution View → 60

The checkpoint in cell cycle plays important role in

AIIMS 2017 Solution View → 61

Post mitotic gap phase is characterised by all, except

JIPMER 2017 Solution View → 62

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

NEET 2017 Solution View → 63

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 exp

NEET 2017 Solution View → 64

During meiosis-I, the bivalent chromosomes clearly appear as tetrads during

JIPMER 2016 Solution View → 65

The chromosome of cell duplicates during the

JIPMER 2016 Solution View → 66

During cell growth, DNA synthesis takes place in

NEET 2016 Solution View → 67

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: Column-I Column–II a. Pachyte

NEET 2016 Solution View → 68

Which phase occupies the maximum part of cell cycle?

NEET 2016 Solution View → 69

In meiosis, crossing over is initiated at _________.

NEET 2016 Solution View → 70

Spindle fibres attach on to:

NEET 2016 Solution View → 71

Which of the following is not a characteristic feature during mitosis in somatic cells?

NEET 2016 Solution View → 72

A cell at the telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at the telophase stage. There

NEET 2016 Solution View → 73

The checkpoint in cell cycle plays important role in

AIIMS 2015 Solution View → 74

Match the following column I with column II. array ll|ll & Column I & & Column II A. & Carcinogen & 1. & Cancerous tumour B. & Anaphase-I & 2. & Disjunction C. & Mitosis & 3. & Syn

JIPMER 2015 Solution View → 75

The non-disjunction, in meiosis may result is extra copy of a chromosome in a sperm cell. During which phase the above phenomenon may occur?

JIPMER 2015 Solution View → 76

The mitotic cell cycle is divided typically into four phases: G ₁, ~S , G ₂ and M . Considering a mitotic cycle time of 18 hrs ; the distribution of period of time (in hrs) for eac

JIPMER 2015 Solution View → 77

Independent assortment of gene occurs due to the orientation of chromosomes at

JIPMER 2015 Solution View → 78

The protein products of tumour suppressor gene may

JIPMER 2015 Solution View → 79

Arrange the following events of meiosis in the correct sequence: i. Crossing over ii. Synapsis iii. Terminalisation of chiasmata iv. Disappearance of the nucleolus

NEET 2015 Solution View → 80

Select the correct option: I II ( a ) Synapsis aligns homologous chromosomes ( i ) Anaphase – II ( b ) Synthesis of RNA and protein ( i i ) Zygotene ( c ) Action of enzyme re

NEET 2015 Solution View → 81

A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has:

NEET 2015 Solution View → 82

Which is the longest phase of the cell cycle?

AIIMS 2014 Solution View → 83

In some organisms, karyokinesis is not followed by cytokinesis as a result of which, multinucleate condition arises leading to the formation of syncytium. The perfect example for t

JIPMER 2014 Solution View → 84

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

NEET 2014 Solution View → 85

In the 'S' phase of the cell cycle:

NEET 2014 Solution View → 86

The enzyme recombinase is required at which stage of meiosis:

NEET 2014 Solution View → 87

Assertion : Meiosis II is similar to mitosis. Reason : Meiosis I cannot occur in haploid cells.

AIIMS 2013 Solution View → 88

In a diploid cell, at which stage of cell cycle, the amount of DNA is doubled?

AIIMS 2013 Solution View → 89

Meiosis is best observed in dividing

JIPMER 2013 Solution View → 90

During meiosis I, the chromosomes start pairing at:

NEET 2013 Solution View → 91

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

NEET 2013 Solution View → 92

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

NEET 2013 Solution View → 93

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

NEET 2013 Solution View → 94

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

NEET 2013 Solution View → 95

Which of the following statements is incorrect about G ₀ phase?

AIIMS 2012 Solution View → 96

Beads on string like structures of A are seen in B , which further condense to form chromosomes in C stage of cell division. A B C

AIIMS 2012 Solution View → 97

Microtubule depolymerizing drug such as colchicine is expected to

AIIMS 2012 Solution View → 98

Polyploidy can be induced by the application of

JIPMER 2012 Solution View → 99

DNA replication occurs in

JIPMER 2012 Solution View → 100

Chromosomes are arranged along the equator during

JIPMER 2012 Solution View → 101

During gamete formation, the enzyme recombinase participates during

NEET 2012 Solution View → 102

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

NEET 2012 Solution View → 103

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

NEET 2012 Solution View → 104

Which of the following is not a characteristic of meiosis?

AIIMS 2011 Solution View → 105

Which one of the following precedes re-formation of the nuclear envelope during M-phase of the cell cycle?

JIPMER 2011 Solution View → 106

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

NEET 2011 Solution View → 107

Select the correct option with respect to mitosis.

NEET 2011 Solution View → 108

During the meiotic division, the

JIPMER 2010 Solution View → 109

During the G ₁ -phase of cell division

JIPMER 2010 Solution View → 110

During mitosis ER and nucleolus begin to disappear at

NEET 2010 Solution View → 111

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

NEET 2010 Solution View → 112

Which one of the following statements about the particular entity is true?

NEET 2010 Solution View → 113

In cell cycle, during which phase, chromosomes are arranged in equatorial plate?

JIPMER 2009 Solution View → 114

A bacterium divides every 35 minutes. If a culture containing (10^5 ) cells (/ ml ) is grown in 175 minutes, what will be cell concentration after that period

JIPMER 2009 Solution View → 115

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?

NEET 2009 Solution View → 116

Synapsis occurs between

NEET 2009 Solution View → 117

Synapsis occurs between :

NEET 2009 Solution View → 118

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 ?

NEET 2009 Solution View → 119

choose the alternative which is opposite in meaning to the word given in italics in the sentence. I am somewhat < i>sceptical < /i> about his claim.

JIPMER 2008 Solution View → 120

Centromere is required for

JIPMER 2007 Solution View →
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