Four daughter cells formed during meiosis differ from each other due to ... ... [ BHU 2001 ]
0%
a) Number of chromosomes
30%
b) Crossing over
0%
c) Independent assortment of chromosomes
70%
d) Both B and C
Q.2.
Which is synthesised in G1- phase? ... ... [ CPMT 2004 ]
50%
a) DNA polymerase
12%
b) Histones
12%
c) Nucleolar DNA
25%
d) Tubulin proteins
Q.3.
In synapsis, two homologous chromosomes are connected at ... ... [ RPMT 1998 ]
33%
a) Centromeres
17%
b) Chromomeres
0%
c) Telomeres
50%
d) None of the above
Q.4.
Nuclear envelop reappears at .... ... [ CBSE 1997 ]
0%
a) Metaphase
33%
b) Anaphase
0%
c) Cytokinesis
67%
d) Telophase
Q.5.
During meiosis, replication of chromosomes occurs in ... ... [ RPMT 2000 ]
50%
a) S -phase
33%
b) S -phase and zygotene
0%
c) S - phase and leptotene
17%
d) All the above
Q.6.
Meiosis is evolutionary significant because it results in ... ... [ CBSE 1994 ]
0%
a) Genetically similar daughters
20%
b) Four daughter cells
0%
c) Eggs and sperms
80%
d) Recombination
Q.7.
Pick up the correct statement: a) Synapsis of homologous chromosomes occurs during prophase I b) Division of centromeres takes place during anaphase I c) Spindle fibers disappear completely in telophase of mitosis d) Nucleoli may reappear in telophase I
0%
a) a only
20%
b) c only
40%
c) a and b only
40%
d) a, c and d only
Q.8.
In metaphase I chromosomes are in ... ... [ RPMT 2002]
25%
a) Tetrad stage
50%
b) Dyad stage
25%
c) Diploid nature
0%
d) Attract each other
Q.9.
G1 stage of interphase of cell cycle shows ... .. [ BHU 2005 ]
0%
a) Active synthesis of DNA
25%
b) Active synthesis of RNA
25%
c) Active synthesis of protein
50%
d) Both B nad C
Q.10.
In which stage of meiosis the structure, number and shape of chromosomes can be observed ... ... [ RPMT 2006 ]
25%
a) Prophase I
50%
b) Metaphase I
25%
c) Anaphase I
0%
d) Telophase I
Q.11.
What is true of mitosis? [ Manipal 2002 ]
0%
a) It has two divisions
0%
b) It maintains number of chromosomes
50%
c) It occurs in somatic cells only
50%
d) It occurs in somatic cells as well as gonads
Q.12.
What is the stage of mitosis when chromosomes separate and move towards poles? ... .... [ BHU 2002 ]
0%
a) Prophase
0%
b) Metaphase
100%
c) Anaphase
0%
d) Telophase
Q.13.
If a cell possesses twice as much DNA as in the functional cell, the cell ... ... [ KCET 2005 ]
100%
a) Is preparing to divide
0%
b) Has completed division
0%
c) Has ceased to function
0%
d) Has reached end of its life span
Q.14.
Synaptonemal complex is site of ... ... [ BHU 2012 ]
0%
a) Spindle attachment
0%
b) Replication
0%
c) Chromatid separation
100%
d) Chromosome alignment and recombination
Q.15.
Part of spindle left after chromosomes have moved to poles is ... .. [ CPMT 2000 ]
33%
a) Centrosome
33%
b) Centriole
0%
c) chromocenter
33%
d) Phragmoplast
Q.16.
During prophase, chromosomes are ... .. [ JIPMER 1998 ]
100%
a) Large and coiled
0%
b) Large and straight
0%
c) Thick and uncoiled
0%
d) Thick and straight
Q.17.
In G2 - phase, DNA content is ... ... [ Wardha 2005 ]
25%
a) 2n
0%
b) n
0%
c) 3n
75%
d) 4n
Q.18.
How many mitotic divisions occur in a cell to produce 256 daughter/somatic cells ... ... [ MPPMT 1989 ]
25%
a) 128
25%
b) 64
0%
c) 32
50%
d) 8
Q.19.
Endomitosis is ... ... [ RPMT 1998 ]
67%
a) Mitosis without nucleus
0%
b) Mitosis within nucleus
0%
c) Frequent mitosis
33%
d) Mitosis is uterine wall
Q.20.
Meiosis is best seen in ... ... [ WB 2008 ]
33%
a) Microsporangium
33%
b) Pollen grain
33%
c) Gamete
0%
d) Anther wall
Q.21.
Crossing over takes place in ... ... [ Odisha 2009 ]
20%
a) Prophase
0%
b) Metaphase
20%
c) Anaphase
60%
d) Prophase I
Q.22.
Crossing over occurs between ... .. [ DPMT 2003 ]
0%
a) Sister chromatids
50%
b) Non-sister chromatids
25%
c) homologous non-sister chromatids
25%
d) Any two chromosomes
Q.23.
Plane of cell wall formation in a dividing cell is determined by ... ... [ JKCET 2012]
0%
a) Microfilaments
67%
b) Microtubules
33%
c) Golgi apparatus
0%
d) Endoplasmic reticulum
Q.24.
Spindle fibers are formed of ... .. [ BHU 2006 ]
67%
a) Tubulin
0%
b) Fibrin
33%
c) Flagellin
0%
d) Actin
Q.25.
In meiosis disjunction of chromosomes occurs during ... ... [ EAMCET 2001 ]
25%
a) Metaphase I
75%
b) Anaphase I
0%
c) Metaphase II
0%
d) Anaphase II
Q.26.
In mitotic metaphase, each chromosome is ... ... [ RPMT 1996 ]
25%
a) One
50%
b) Two
25%
c) Three
0%
d) Four
Q.27.
Stage connecting meiosis I and meiosis II is ... ... [ AFMC 2002 ]
0%
a) Interphase I
25%
b) Interphase II
75%
c) Interkinesis
0%
d) Anaphase I
Q.28.
In meiosis chromosome number becomes ... .. [ CPMT 2007 ]
50%
a) One half of parent cell
0%
b) Same as parent cell
50%
c) One-fourth of parent cell
0%
d) Double of parent cell
Q.29.
Which one is connected with cell division? ... ... [ CMC 2002 ]
12%
a) ER
0%
b) Peroxisomes
0%
c) Ribosomes
88%
d) Microtubules
Q.30.
Stages in proper sequence of Prophase I are ... ... [ BHU 1997 ]
25%
a) Zygotene, Leptotene, Pachytene, Diakinesis and Diplotene
75%
b) Leptotene, Zygotene, Pachytene, Diplotene and Diakinesis
0%
c) Leptotene, Pachytene, Zygotene, Diakinesis and Diplotene
0%
d) Diplotene, Diakinesis, Pachytene, Zygotene and Leptotene
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