Q.1
Phase of shortest duration is ... ....
  • a) Prophase
  • b) Metaphase
  • c) Anaphase
  • d) S -phase
Q.2
Significance of mitosis is in .... ... [ Har PMT 1993 ]
  • a) Increasing cellular mass
  • b) Swift division
  • c) Occurrence in every tissue of body
  • d) Producing cells generically similar to parent cell
Q.3
The stage in which chiasmata can be seen is ... .. [ HPPMT 2007 ]
  • a) Leptotene
  • b) Zygotene
  • c) Pachytene
  • d) diplotene
Q.4
Pachytene belongs to ... ... { AMU 1998 ]
  • a) Mitosis
  • b) Meiosis
  • c) Growth of cell
  • d) Development of endosperm
Q.5
Mitosis takes place in ... ...
  • a) All types of cells except those involved in gamete formation
  • b) Gonads
  • c) Axillary buds situated near the apical bud
  • d) Cells of mature leaf
Q.6
During metaphase I, the centromeres ... ... [ AMU 1998 ]
  • a) Undergo division
  • b) Do not divide
  • c) Divide but do not separate
  • d) Are not identical
Q.7
DNA synthesis occurs during ... ... [ DPMT 2001 ]
  • a) Interphase
  • b) Prophase
  • c) Metaphase
  • d) Anaphase
Q.8
Disjunction is ... ....
  • a) Chromosome separation during mitosis
  • b) Chromosome separation during prophase I
  • c) Chromosome separation in anaphase I
  • d) Chromosome separation during metaphase I
Q.9
Select the correct matches A) S-phase - DNA replication B) Zygotene - Synapsis C) Diplotene - Crossing over D) Meiosis - Both haploid and diploid cells E) Gap 2 phase - Quiescent stage... .... [ kerala 2011 ]
  • a) A and B
  • b) C and D
  • c) C and E
  • d) A, C and E
Q.10
Phragmoplast is precursor of ... .. [ JIPMER 2002 ]
  • a) Leucoplast
  • b) Chloroplast
  • c) Chromoplast
  • d) Cell plate
Q.11
What occurs in germinal cells during gamete formation ... ... [ kerala 2000 ]
  • a) One reduction division and one equational division
  • b) Two successive equational divisions
  • c) Two successive reduction division
  • d) Short prophase in division I
Q.12
In telophase of mitosis ... ... [ RPMT 1998 ]
  • a) Chromosomes get arranged in middle of cell
  • b) Chromosome fibers become clear
  • c) Chromosomes aggregate at opposite poles to form daughter nuclei
  • d) Nuclear envelop disappears
Q.13
A cell divides every minute. It will fill a 100 ml beaker in one hour. How much time would it take to fill 50 ml beaker .... ... [ Kerala 2004 ]
  • a) 30 minutes
  • b) 48 minutes
  • c) 50 minutes
  • d) 59 minutes
Q.14
recombination involves .. ... [ DPMT 2009 ]
  • a) Cross over
  • b) Chromosome duplication
  • c) Spindle formation
  • d) Cytokinesis
Q.15
During cell cycle, two molecules of DNA are present in chromosome during ... ... [ AIIMS 2001 ]
  • a) G1 phase
  • b) Beginning of S-phase
  • c) G2 phase
  • d) End of M-phase
Q.16
Reorganisation of genetic material or genetic recombination occurs during ... ... [ Odisha 2007 ]
  • a) Metamorphosis
  • b) Organogenesis
  • c) Mitosis
  • d) Meiosis
Q.17
Spindle fibers are attached to chromosomes in the region of ... ... [ Bih PMT 2011 ]
  • a) Centrosome
  • b) Chromosmere
  • c) Chromonema
  • d) Kinetochore
Q.18
Zygotic meiosis occurs in .... ... [ AFMC 1994 ]
  • a) Pinus
  • b) Marchantia
  • c) Chlamydomonas
  • d) Dryopteris
Q.19
Synapsis occurs between ... ... [ CBSE 2009 ]
  • a) Spindle fibers and centromeres
  • b) mRNA and ribosomes
  • c) A male and female gamete
  • d) Two homologous chromosomes
Q.20
DNA duplication occurs during ... ... [ AMU 2003 ]
  • a) Early prophase
  • b) Late prophase
  • c) Telophase
  • d) None of the above
Q.21
In which stage synaptinemal complex dissolved, chromatids become clear and bivalents are called tetrads ... ... [ CET Chd 2006 ] Explanation is provided, please clcik on
  • a) Zygotene
  • b) Pachytene
  • c) Diplotene
  • d) Diakinesis
Q.22
Chromosomes separate during ... .. [ DPMT 2003 ]
  • a) Early prophase
  • b) Early metaphase
  • c) Early anaphase
  • d) Early telophase
Q.23
Centromere is required for ... ... [ CBSE 2005 ]
  • a) Crossing over
  • b) Transcription
  • c) Cytoplasmic cleavage
  • d) Movement of chromosomes towards poles
Q.24
Best stage to observe shape, size and number of chromosomes is ... ... [ JKCMEE 1999]
  • a) Interphase
  • b) Metaphase
  • c) Prophase
  • d) Telophase
Q.25
Genetic recombination occurs during ... ... [ Odisha 2003 ]
  • a) Zygotene
  • b) Diplotene
  • c) Pachytene
  • d) Metaphase - I
Q.26
G1, S and G2 are stages of ... ... [ AFMC 2009 ]
  • a) Interphase
  • b) Prophase
  • c) Metaphase
  • d) Anaphase
Q.27
Meiosis occurs in Tomato in ... ... [ har. PMT 1994 ]
  • a) Pollen sac and ovule
  • b) Microspore and megaspore mother cells
  • c) Both A and B
  • d) Zygote
Q.28
Choose the correctly matched pairs and correct option A) Leptotene - Chromosomes become invisible B) Zygotene - Pairing of homologous chromosomes C) Pachytene - Dissolution of synaptonemal complex takes place D) Diplotene - Bivalent chromosomes appears as tetrads E) Terminalisation of chiasmata takes place ... ... [ kerala 2012 ]
  • a) A and B correct
  • b) B and D correct
  • c) B and E correct
  • d) B and C correct
Q.29
Arrange the following events of meiosis in correct sequence? 1) Terminalisation 2) Crossing over 3) Synapsis 4) Disjunction
  • a) 4, 3, 2, 1
  • b) 3, 2, 1, 4
  • c) 2, 1, 4, 3
  • d) 1, 4, 3, 2
Q.30
Meiosis was discovered by ... ... [ Bih PMT 1994 ]
  • a) Walther Flemming
  • b) Hofmeister
  • c) Oscar Hertwig
  • d) Amici
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