Solved papers for NEET Biology NEET PYQ-Cell Cycle And Cell Division

done NEET PYQ-Cell Cycle And Cell Division Total Questions - 49

• question_answer1) The formation of multivalents at meiosis in diploid organism is due to: [AIPMT 1998]
  A)
  monosomy
  done clear
  B)
  inversion
  done clear
  C)
  deletion
  done clear
  D)
    reciprocal translocation
  done clear
  View Answer play_arrow

• question_answer2) Microtubule is involved in the: [AIPMT 1998]
  A)
  cell division
  done clear
  B)
  DNA recognition
  done clear
  C)
  muscle contraction
  done clear
  D)
  membrane architecture
  done clear
  View Answer play_arrow

• question_answer3) The replication of DNA is a pre-requisite for a eukaryotic cell to undergo division. During the cell cycle the DNA replicates in: [AIPMT 2000]
  A)
  S phase
  done clear
  B)
  G1 phase
  done clear
  C)
  G2 phase
  done clear
  D)
  M phase
  done clear
  View Answer play_arrow

• question_answer4) In the life history of ferns, meiosis occurs at the time of: [AIPMT 2000]
  A)
  formation of spores
  done clear
  B)
  formation of antheridia and archegonia
  done clear
  C)
  formation of gametes
  done clear
  D)
  germination of spores
  done clear
  View Answer play_arrow

• question_answer5) During ceil division, the spindle fibres get attached to the condensing chromosome at a highly differentiated region. This region is called: [AIPMT 2000]
  A)
  chromomere
  done clear
  B)
  chromocentre
  done clear
  C)
  centriole
  done clear
  D)
  kinetochore
  done clear
  View Answer play_arrow

• question_answer6) Best material for the study of mitosis in laboratory is: [AIPMT 2002]
  A)
  anther
  done clear
  B)
  root tip
  done clear
  C)
  leaf tip
  done clear
  D)
  ovary
  done clear
  View Answer play_arrow

• question_answer7) Mitotic spindle is mainly composed of which proteins? [AIPMT 2002]
  A)
  Actin
  done clear
  B)
  Myosin
  done clear
  C)
  Actomyosin
  done clear
  D)
  Myoglobin
  done clear
  View Answer play_arrow

• question_answer8) Which of the following occurs more than one and less than five in a chromosome? [AIPMT 2002]
  A)
  Chromatid
  done clear
  B)
  Chromomer
  done clear
  C)
    Centromere
  done clear
  D)
  Telomere
  done clear
  View Answer play_arrow

• question_answer9) Cellular totipotency is demonstrated by: [AIPMT 2003]
  A)
  all eukaryotic cells
  done clear
  B)
  only bacterial cells
  done clear
  C)
  only gymnosperm cells
  done clear
  D)
  all plant cells
  done clear
  View Answer play_arrow

• question_answer10) In the somatic cell cycle: [AIPMT (S) 2004]
  A)
  in\[{{G}_{1}}\]phase DNA content is double the amount of DNA present in the original cell
  done clear
  B)
  DNA replication takes place in S-phase
  done clear
  C)
  a short interphase is followed by a long mitotic phase
  done clear
  D)
  \[{{G}_{2}}\]phase follows mitotic phase
  done clear
  View Answer play_arrow

• question_answer11) If you are provided with root-tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into? [AIPMT (S) 2004]
  A)
  Metaphase
  done clear
  B)
  Telophase
  done clear
  C)
  Anaphase
  done clear
  D)
  Prophase
  done clear
  View Answer play_arrow

• question_answer12) The main organelle involved in modification and routing of newly synthesized proteins to their destinations is: [AIPMT (S) 2005]
  A)
  mitochondria     
  done clear
  B)
    endoplasmic reticulum
  done clear
  C)
  lysosome
  done clear
  D)
  chloroplast
  done clear
  View Answer play_arrow

• question_answer13) At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell? [AIPMT (S) 2005]
  A)
  During entire prophase
  done clear
  B)
  During telophase
  done clear
  C)
  During S-phase
  done clear
  D)
  During G2 stage of prophase
  done clear
  View Answer play_arrow

• question_answer14) Telomere repetitive DNA sequences control the function of eukaryotic chromosomes because they: [AIPMT (S) 2007]
  A)
  act as replicons
  done clear
  B)
  are RNA transcription initiator
  done clear
  C)
  help chromosome pairing
  done clear
  D)
  prevent chromosome loss
  done clear
  View Answer play_arrow

• question_answer15) Oxygenic photosynthesis occurs in [AIPMT (S) 2009]
  A)
  Chromatium
  done clear
  B)
  Oscillatoria
  done clear
  C)
  Rhodospirillum
  done clear
  D)
  Chlorobium
  done clear
  View Answer play_arrow

• question_answer16) 

  Given below is a schematic break-up of the phases/stages of cell cycle [AIPMT (S) 2009]

  Which one of the following is the correct indication of the stage/phase in the cell cycle?

  A)
  B-Metaphase
  done clear
  B)
  C-Karyokinesis
  done clear
  C)
  D-Synthetic phase
  done clear
  D)
  A-Cytokihesis
  done clear
  View Answer play_arrow

• question_answer17) Synapsis occurs between [AIPMT (S) 2009]
  A)
  a male and a female gamete
  done clear
  B)
  mRNA and ribosomes
  done clear
  C)
  spindle fibres and centromere
  done clear
  D)
  two homologous chromosomes
  done clear
  View Answer play_arrow

• question_answer18) During mitosis ER and nucleolus begin to disappear at [AIPMT (S) 2010]
  A)
  late prophase
  done clear
  B)
  early metaphase
  done clear
  C)
  late metaphase
  done clear
  D)
  early prophase
  done clear
  View Answer play_arrow

• question_answer19) 

  Which stages of cell division do the following figures A and B represent respectively? [AIPMT (S) 2010]

  A)
  Metaphase         -     Telophase
  done clear
  B)
  Telophase                      -     Metaphase
  done clear
  C)
  Lateanaphase                 -     Prophase
  done clear
  D)
  Prophase          -     Anaphase
  done clear
  View Answer play_arrow

• question_answer20) At metaphase, chromosomes are attached to the spindle fibres by their [AIPMT (M) 2011]
  A)
  satellites
  done clear
  B)
    secondary constrictions
  done clear
  C)
  kinetochores
  done clear
  D)
  centromere
  done clear
  View Answer play_arrow

• question_answer21) Select the correct option with respect to mitosis. [AIPMT (S) 2011]
  A)
  Chromatids start moving towards opposite poles in telophase
  done clear
  B)
  Golgi complex and endoplasmic reticulum are still visible at the end of prophase
  done clear
  C)
  Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase
  done clear
  D)
  Chromatids separate but remains in the centre of the cell in anaphase
  done clear
  View Answer play_arrow

• question_answer22) Identify the meiotic stage in which the- homologous chromosomes separate while the sister chromatids remain associated at their centromeres [AIPMT (M) 2012]
  A)
  metaphase-I
  done clear
  B)
  metaphase-II
  done clear
  C)
  anaphase-I
  done clear
  D)
  anaphase-II
  done clear
  View Answer play_arrow

• question_answer23) During gamete formation, the enzyme recombinase participates during [AIPMT (S) 2012]
  A)
  metaphase-I
  done clear
  B)
  anaphase-II
  done clear
  C)
  prophase-I
  done clear
  D)
  prophase-II
  done clear
  View Answer play_arrow

• question_answer24) 

  Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage?      [AIPMT (S) 2012]

  A)
  Prophase-I during meiosis
  done clear
  B)
  Prophase-II during meiosis
  done clear
  C)
  Prophase of mitosis
  done clear
  D)
  Both prpphase and metaphase of mitosis.
  done clear
  View Answer play_arrow

• question_answer25) The complex formed by a pair of synapsed homologous chromosomes is called [NEET 2013]
  A)
  equatorial plate
  done clear
  B)
  kinetochore
  done clear
  C)
  bivalent
  done clear
  D)
  axon me
  done clear
  View Answer play_arrow

• question_answer26) Meiosis takes place in [NEET 2013]
  A)
  Meiocyte
  done clear
  B)
  Conidia
  done clear
  C)
  Gemmule
  done clear
  D)
  Megaspore
  done clear
  View Answer play_arrow

• question_answer27) 

  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]

  A)
  Telophase   — Nuclear envelope reforms, Golgi complex reforms
  done clear
  B)
  Late — Chromosomes move anaphase away from equatorial plate, Golgi complex not present
  done clear
  C)
  Cytokinesis — Cell plate formed, mitochondria distributed between two daughter cells
  done clear
  D)
  Telophase — Endoplasmic reticulum and   nucleolus   not reformed yet
  done clear
  View Answer play_arrow

• question_answer28) During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? [NEET 2014]
  A)
  \[{{G}_{0}}\] and \[{{G}_{1}}\]
  done clear
  B)
  \[{{G}_{1}}\] and S
  done clear
  C)
  Only \[{{G}_{2}}\]
  done clear
  D)
  \[{{G}_{2}}\]and M
  done clear
  View Answer play_arrow

• question_answer29) In S-phase of the cell cycle [NEET 2014]
  A)
  amount of DNA doubles in each cell
  done clear
  B)
  amount of DNA remains same in each cell
  done clear
  C)
  chromosome number is increased
  done clear
  D)
  amount of DNA is reduced to half in each cell
  done clear
  View Answer play_arrow

• question_answer30) The chromosomes in which centromere is situated close to one end are   [NEET [C] 2015]
  A)
  metacentric
  done clear
  B)
  acrocentric
  done clear
  C)
  telocentric
  done clear
  D)
  sub-metacentric
  done clear
  View Answer play_arrow

• question_answer31) Which of the following enhances or induces fusion of protoplasts? [NEET [C] 2015]
  A)
  Sodium chloride and potassium chloride
  done clear
  B)
  Polyethylene glycol and sodium nitrate
  done clear
  C)
  IAA and kinetin
  done clear
  D)
  IAA and gibberellins
  done clear
  View Answer play_arrow

• question_answer32) Match the following column I with column II. [NEET [C] 2015]

  	Column I		Column II
  A.	Synapsis aligns homologous chromosomes.	1.	Anaphase-II
  B.	Synthesis of RNA and protein	2.	Zygotene
  C.	Action of enzyme recombinase	3.	\[{{G}_{2}}\]-phase
  D.	Centromeres do not separate but chromatids move towards opposite poles.	4.	Anaphase-I
  		5.	Pachytene

  A)

  2          1          3          4

  done clear
  B)

  2          3          5          4 done clear C) 1          2          5          4 done clear D) 2          3          4          5 done clear View Answer play_arrow question_answer33) A somatic cell that has just completed the S-phase of its cell cycle, as compared to gamete of the same species has [NEET [C] 2015] A) twice the number of chromosomes and twice the amount of DNA done clear B) same number of chromosomes but twice the amount of DNA done clear C) twice the number of chromosomes and four times the amount of DNA done clear D) four times the number of chromosomes and twice the amount of DNA done clear View Answer play_arrow question_answer34)  Arrange the following events of meiosis in correct sequences [NEET (Re) 2015] I. Crossing over II. Synapsis III. Terminalisation of chiasmata IV. Disapperance of nucleolus A) II, I, IV, III done clear B) II. I, III, IV done clear C) I, II, III, IV done clear D) II, III, IV, I done clear View Answer play_arrow question_answer35) Spindle fibres attach on to: [NEET - 2016 Phase-I] A) Telomere of the chromosome done clear B) Kinetochore of the chromosome done clear C) Centromere of the chromosome done clear D) Kinetosome of the chromosome done clear View Answer play_arrow question_answer36) Microtubules are the constituents of: [NEET - 2016 Phase-I] A) Cilia, Flagella and Peroxisomes done clear B) Spindle fibres, centrioles and cilia done clear C) Centrioles, spindle fibres and chromatin done clear D) Centrosome, Nucleosome and Centrioles done clear View Answer play_arrow question_answer37) In meiosis crossing over is initiated at: [NEET - 2016 Phase-I] A) Pachytene done clear B) Leptotene done clear C) Zygotene done clear D) Diplotene done clear View Answer play_arrow question_answer38) Which of the following is not a characteristic feature during mitosis in somatic cells? [NEET - 2016 Phase-I] A) Spindle fibres done clear B) Disappearance of nucleolus done clear C) Chromosome movement done clear D) Synapsis done clear View Answer play_arrow question_answer39) During cell growth, DNA synthesis takes place in A) S phase done clear B) \[{{G}_{1}}\]phase done clear C) \[{{G}_{2}}\]phase done clear D) M phase done clear View Answer play_arrow question_answer40) When cell has stalled DNA replication fork, which checkpoint should be predominantly activated? [NEET - 2016 Phase-II] A) \[{{G}_{1}}/S\] done clear B) \[{{G}_{2}}/M\] done clear C) M done clear D) Both \[{{G}_{2}}/M\] and \[M\] done clear View Answer play_arrow question_answer41) 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: [NEET - 2016 Phase-II] Column - I Column - II A. Pachytene i. Pairing of homologous chromosomes B. Metaphasel ii. Terminalization of chiasmata C. Diainesis iii. Crossing - over takes place D. Zygotene iv. Chromosomes align at equatorial plate A)      (iii)        (iv)        (ii)         (i)         done clear B) (i)         (iv)        (ii)         (iii)        done clear C) (ii)         (iv)        (iii)        (i) done clear D) (iv)        (iii)        (ii)         (i)         done clear View Answer play_arrow question_answer42) 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 expected to occur? [NEET-2017] A) Recombination of chromosome arms will occur done clear B) Chromosomes will not condense done clear C) Chromosomes will be fragmented done clear D) Chromosomes will not segregate done clear View Answer play_arrow question_answer43) Zygotic meiosis is characterstic of  [NEET-2017] A) Chlamydomonas done clear B) Marchantia done clear C) Fucus done clear D) Funaria done clear View Answer play_arrow question_answer44) Which of the following options gives the correct sequence of events during mitosis? [NEET-2017] A) Condensation\[\to \]arrangement at equator \[\to \]centromere division\[\to \]segregation\[\to \] telophase done clear B) Condensation \[\to \] nuclear membrane disassembly \[\to \] crossing over \[\to \] segregation \[\to \] telophase done clear C) Condensation \[\to \] nuclear membrane disassembly \[\to \] arrangement at equator\[\to \] centromere division \[\to \] segregation\[\to \] telophase done clear D) Condensation \[\to \] crossing over \[\to \] nuclear membrane disassembly \[\to \] segregation \[\to \] telophase done clear View Answer play_arrow question_answer45) The stage during which separation of the paired homologous chromosomes begins is [NEET - 2018] A) Diakinesis done clear B) Diplotene done clear C) Pachytene done clear D) Zygotene done clear View Answer play_arrow question_answer46) Select the incorrect match :        [NEET - 2018] A) Submetacentric chromosomes L-shaped chromosomes done clear B) Allosomes Sex chromosomes done clear C) Lampbrush chromosomes Diplotene bivalents done clear D) Polytene chromosomes Oocytes of amphibians done clear View Answer play_arrow question_answer47) Which of the following pair of organelles does not contains DNA? [NEET 2019] A) Lysosomes and Vacuoles done clear B) Nuclear envelope and Mitochondria done clear C) Mitochodria and Lysosomes done clear D) Chloroplast and Vacuoles done clear View Answer play_arrow question_answer48) Cells in \[{{G}_{0}}\] phase: [NEET 2019] A) Suspend the cell cycle done clear B) Terminate the cell cycle done clear C) Exit the cell cycle done clear D) Enter the cell cycle done clear View Answer play_arrow question_answer49) The correct sequence of phases of cell cycle is: [NEET 2019] A) \[S\to {{G}_{1}}\to {{G}_{2}}\to M\] done clear B) \[{{G}_{1}}\to S\to {{G}_{2}}\to M\] done clear C) \[M\to {{G}_{1}}\to {{G}_{2}}\to S\] done clear D) \[{{G}_{1}}\to {{G}_{2}}\to S\to M\] done clear View Answer play_arrow Study Package NEET PYQ-Cell Cycle And Cell Division   Buy Now     Please Wait you are being redirected.... You need to login to perform this action. You will be redirected in 3 sec × Reset Password. 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