Q.1
Where can we study mitosis? ... ... [ Bih PMT 1991 ]
  • a) Nail base
  • b) Brain
  • c) Legs
  • d) Kidneys
Q.2
The phase active in most cytogenetic functions is ... ... [ AIIMS 1996 ]
  • a) Pachytene
  • b) M-phase
  • c) Interphase
  • d) Meiosis
Q.3
Mitotic spindle is composed of ... ... [ CBSE 2002 ]
  • a) Actin
  • b) Actinomyosin
  • c) Myoglobin
  • d) none of the above
Q.4
Separation of homologous chromosomes is called ... ...
  • a) Dispersion
  • b) Bivalent formation
  • c) Disjunction
  • d) Crossing over
Q.5
Colchicine interferes with cell division because of ... ... [ AIIMS 2012 ]
  • a) Splitting of chromosomes
  • b) Non-pairing of chromosomes
  • c) Double replication of chromosomes
  • d) Non-formation of spindle
Q.6
Tetrad is made of ... ... [ MPPMT 1993 ]
  • a) Four homologous chromosomes with four chromatids
  • b) Two homologous chromosomes, each with two chromatids
  • c) Four non-homologous chromatids
  • d) Four non-homologous chromosomes
Q.7
Yeast completes cell cycle in ... ... [ AMU 2012 ]
  • a) 30 minutes
  • b) 60 minutes
  • c) 90 minutes
  • d) 120 minutes
Q.8
Cell plate is formed during ... ... [ CPMT 2007 ]
  • a) Interphase
  • b) Karyokinesis
  • c) Cytokinesis
  • d) Interkinesis
Q.9
Which one ensures maintenance of chromosome number generation after generation ... ... [ BHU 1999 ]
  • a) Mitosis
  • b) Meiosis
  • c) Splicing
  • d) Metamorphosis
Q.10
Cell cycle was discovered by ... ...
  • a) Farmer and Moore
  • b) Prevost and Dumas
  • c) Howard and Pelc
  • d) remake
Q.11
In mitosis, nuclea envelope and nucleolus disappear during ... ... [ AFMC 1996 ]
  • a) Prophase
  • b) Interphase
  • c) Metaphase
  • d) Telophase
Q.12
What is the proper sequence in mitosis? ... ... [ MPPMT 1993 ]
  • a) Metaphase, telophase, prophase and anaphase
  • b) Prophase, metaphase, anaphase and telophase
  • c) Anaphase, metaphase, telophase and prophase
  • d) Telophase, anaphase, metaphase and prophase
Q.13
When synapsis is complete all along the chromosomes, the cell is said to have entered a stage celled .... .... [ AIIMS 2005 ]
  • a) Diakinesis
  • b) Diplotene
  • c) Pachytene
  • d) Zygotene
Q.14
Major event that occurs during anaphase of mitosis which brings about equal distribution of chromosomes is ... ... [ KCET 2006 ]
  • a) Splitting of centromeres
  • b) Condensation of chromatin
  • c) Replication of genetic material
  • d) Splitting of chromatids
Q.15
Spindle fibers arise from ... ... [ JIPMER 1998 ]
  • a) Centriole
  • b) Centromere
  • c) Nucleus
  • d) Mitochondria
Q.16
What is not true of anaphase ... ... [ Odisha 2004 ]
  • a) Chromosomes move to opposite poles
  • b) Spindle poles move apart
  • c) Golgi bodies and E.R. are reformed
  • d) Centromeres split and chromatids separate
Q.17
Plant and animal cell divisions differ in ... ..
  • a) Cell plate
  • b) Prophase
  • c) Telophase
  • d) Metaphase
Q.18
Meiosis is ... ... [ AFMC 1991 ]
  • a) Multiplicational division
  • b) Equational division
  • c) Disjunctional division
  • d) Reductional division
Q.19
Exchange of paternal and maternal chromosome material during cell division is ... ... [ CBSE 1996 ]
  • a) Dyad formation
  • b) Bivalent formation
  • c) Crossing over
  • d) Synapsis
Q.20
Azides and cyanide inhibit ... ... [ AMU 2003 ]
  • a) Metaphase
  • b) Prophase
  • c) Anaphase
  • d) Telophase
Q.21
Late prophase of mitosis is characterised by ... ... [ RPMT 1998 ]
  • a) Condensation of chromosomes
  • b) Disappearance of nucleolus
  • c) Division of centromere
  • d) Formation of metaphasic plate
Q.22
At what stage does the number of chromosomes becomes half ... .... [ RPMT 2005 ]
  • a) Prophase I
  • b) Metaphase I
  • c) Anaphase I
  • d) Telophase I
Q.23
Which is unique to mitosis and does not occur in meiosis? ... ... [ DPMT 2009 ]
  • a) Homologous chromosomes cross over
  • b) Homologous chromosomes pair and form bivalents
  • c) Homologous chromosomes behave independently
  • d) Chromatids are separated during anaphase
Q.24
Meiosis involves ... ... [ CPMT 1995 ]
  • a) Two nuclear division and one chromosome division
  • b) One nuclear division and one chromosome division
  • c) One nuclear division and two chromosome division
  • d) Two nuclear divisions and two chromosome divisions
Q.25
Variation appear during meiosis due to ... ... [ BHU 2001 ]
  • a) Independent assortment
  • b) Crossing over
  • c) Both A and B
  • d) Linkages
Q.26
in mitotic metaphase the limbs of the chromosomes occur ... ....
  • a) On the equator
  • b) In different directions
  • c) In divaricate condition
  • d) All the above
Q.27
Which is not characteristic of telophase Chromatin condenses to form chromosomes Nucleolus, Golgi complex and ER reform Nuclear envelope assemble around chromosomes cluster Centromeres split and chromatids separate Chromosome clusters and their identity is lost ... ... [ kerala 2012 ]
  • a) 1, 2, 4 only
  • b) 1, 4 only
  • c) 2, 3 only
  • d) 3, 4, 5 only
Q.28
Diploid chromosome number being 8, what shall be the number of chromatids in each daughter after meiosis I ... ... [ MPPMT 1993 ]
  • a) 16
  • b) 8
  • c) 4
  • d) 2
Q.29
In which the number of chromosomes is halved? ... .. [ Pb.PMT1997 ]
  • a) Mitosis
  • b) Amitosis
  • c) Meiosis
  • d) Fertilisation
Q.30
G0 state of cell denotes ... ... [ AIEEE 2003 ]
  • a) Exit of cell from cell cycle
  • b) Check point before entering next phase
  • c) Death of cell
  • d) Temporary pause/suspended cell cycle
0 h : 0 m : 1 s