Cell Division MCQ
Biology, 11th, Chapter No.7
Maharashtra State Board
1 |
Life
starts from a single cell in plants and animals called. |
A |
Cell |
B |
Zygote
|
C |
Growth |
D |
Tissue |
Ans |
Zygote |
2 |
A
typical eukaryotic cell cycle is illustrated by human cells in culture, which
divide approximately every. |
A |
12
hours |
B |
10
hours |
C |
24
hours |
D |
6
hours |
Ans |
24
hours |
3 |
The
interphase is divided in to. |
A |
G1
phase [Gap 1] |
B |
S
phase [synthesis] |
C |
G2
phase [Gap 2] |
D |
All
of these stages |
Ans |
All
of these stages |
4 |
Yeast
cell can progress through all the four stages of the cell cycle in only
about. |
A |
60
minutes |
B |
90
minutes |
C |
30
minutes |
D |
45
minutes |
Ans |
90
minutes |
5 |
The
centrioles, in animal cells, initiate their replication in the cytoplasm
during. |
A |
G1
phase |
B |
G2
phase |
C |
S
phase |
D |
None
of these phases |
Ans |
G2
phase |
6 |
The
s phase marks the period during which replication of DNA takes place. It is
during this time that the content of DNA doubles, from |
A |
2c
to 4c |
B |
4c
to 2c |
C |
[1n
or 2n] |
D |
[2n
or 1n] |
Ans |
2c
to 4c |
7 |
Chromosome
duplication without nuclear division refers to. |
A |
Mitosis
|
B |
Endomitosis
|
C |
Meiosis
|
D |
Androgenesis |
Ans |
Mitosis |
8 |
During
which stages [or prophase I substages] of meiosis do you expect to find the
bivalents and DNA replication respectively? |
A |
Zygotene
and s phase [ of interphase prior to prophase I] |
B |
Both
|
C |
Pachytene
and interphase [ just prior to prophase I] |
D |
None
of these |
Ans |
Zygotene
and s phase [ of interphase prior to prophase I] |
9 |
The
two chromatids of a metaphase chromosome represent. |
A |
Replicated
chromosome to be separated at anaphase |
B |
Homologous
chromosome of a diploid set |
C |
Non-homologus
chromosome joined at the centromere |
D |
Maternal and paternal chromosomes |
Ans |
Replicated
chromosome to be separated at anaphase |
10 |
Recombination
of genes occur at. |
A |
Prophase
I in meiosis |
B |
Prophase
II in meiosis |
C |
Metaphase
II in meiosis |
D |
Prophase
in mitosis |
Ans |
Prophase
I in meiosis |
11 |
In
animal cells, cytokinesis in volves. |
A |
The
contraction of the contractile ring of microfilament |
B |
Depolymerisation
of kinetochore microtubules |
C |
A
protein kinase that phosphorylates other enzymes |
D |
The
separation of sister chromatids |
Ans |
The
contraction of the contractile ring of microfilament |
12 |
Four
daughter cells formed after meiosis are. |
A |
Genetically
different |
B |
Multinucleate
|
C |
Genetically
similar |
D |
Anucleate
|
Ans |
Genetically
different |
13 |
The
number of chromatids in a chromosome at anaphase is. |
A |
1
in mitosis and 2 in meiosis |
B |
2
each in mitosis and meiosis |
C |
2
in mitosis and 4 in meiosis |
D |
2
in mitosis and 1 in meiosis |
Ans |
1
in mitosis and 2 in meiosis |
14 |
During
cell division, sometime there will be failure of separation of sister
chromatids. This event is called. |
A |
Non-
disjunction |
B |
Coincidence
|
C |
Complementation
|
D |
Interference
|
Ans |
Non-disjunction |
15
|
What
is true about telophase stage? |
A |
All
of these |
B |
Nuclear
envelope, nucleolus, |
C |
Chromosomes
cluster at opposite spindle poles |
D |
Chromosome
lose their identity as discrete elements |
Ans |
All
of these |
16 |
In
which stage of the cell cycle histone proteins synthesized in a eukaryotic
cell? |
A |
During
s-phase |
B |
During
entire prophase |
C |
During
telophase |
D |
During
G2 stage of prophase |
Ans |
During
s-phase |
17 |
The
centromere is situated close to its ends and farming one extremely short and
one very long arm in. |
A |
Acrocentric
chromosome |
B |
Telocentric
chromosome |
C |
Sub-metacentric
chromosome |
D |
Metacentric
chromosome |
Ans |
Acrocentric
chromosome |
18 |
The
stage between two meiotic division is called interkines is and. |
A |
Is
generally short lived and followed by prophase II |
B |
Involves
duplication of genes and centrioles |
C |
Is
followed by prophase I |
D |
Is
long lived |
Ans |
Is
generally short lived and followed by prophase II |
19 |
In
which stage the chromosome appears as thin long thread? |
A |
Leptotene
|
B |
Zygotene
|
C |
Prophase
|
D |
Pachytene |
Ans |
Leptotene |
20 |
Anastral
mitosis is found in. |
A |
All
living organisms |
B |
Lower
animals |
C |
Higher
plants |
D |
Higher
animals |
Ans |
Higher
plants |
21 |
Chromosomes
counting is best done during. |
A |
Metaphase
|
B |
Telophase
|
C |
Late
prophase |
D |
Late
anaphase |
Ans |
Metaphase
|
22 |
Meisosis
II bring about |
A |
Separation
of chromatids |
B |
Separation
of homologous chromosomes |
C |
Synthesis
of DNA and centromere |
D |
Separation
of sex chromosome |
Ans |
Sepration
of chromatids |
23 |
Meosis
is |
A |
Reductional
division |
B |
Multiplication
division |
C |
Equationai
division |
D |
Disjunctional
division |
Ans |
Reductional
division |
24 |
The term meiosis was coined by |
A |
Blackman
|
B |
Flemming
|
C |
Robertson
|
D |
Former
and more |
Ans |
Former
and more |
25 |
In
meiosis, the chromatids separate during |
A |
Metaphase
I |
B |
Anaphase
I |
C |
Anaphase
II |
D |
Metaphase
II |
Ans |
Anaphase
II |
26 |
In
the meiotic cell division four daughter cell are produced by two successive
division in which. |
A |
First
division is reductional and second is equational |
B |
First
division is equationai, second is reductional |
C |
Both
divisions are equationai |
D |
Both
divisions are reductional |
Ans |
First
division is reductional and second is equational |
27 |
In
some organisms karyokinesis is not followed by cytokinesis as a result of
which multinucleate condition arises which is called. |
A |
Syncytium |
B |
Meiosis
I |
C |
Cell-plate
|
D |
Meiosis
II |
Ans |
Syncytium
|
28 |
The
cell having more than two complete sets of chromosomes are called. |
A |
Diploid |
B |
Haploid
|
C |
Polyhybrid
|
D |
Polyploid
|
Ans |
Polyploid
|
29 |
The
small disc shaped structure at the surface of centromeres is called. |
A |
Kinetochores |
B |
Sister
chromatids |
C |
Microtubule
|
D |
Golgi
complex |
Ans |
Kinetochores
|
30 |
Mitosis accomplishes the segregation of duplicated
chromosome in to daughter nuclei [karyokinesis], but the cell it self is
divided in to two daughter cells by a separate process called. |
A |
Cytokinesis
|
B |
Karyokinesis
|
C |
Nucleolous |
D |
Chromosome
clusters |
Ans |
Cytokinesis |
31 |
In
plants apical cells and the cambium tissue continue to divide all their life,
they are called. |
A |
Meristemic
tissue |
B |
Cambium
tissue |
C |
Equational
division |
D |
Syney
tium |
Ans |
Meristemic
tissue |
32 |
Mitosis
is divided in to |
A |
Prophase
|
B |
Metaphase
|
C |
Anaphase
|
D |
All
of these phases |
Ans |
All
of these phases |
33 |
Which
one of the following statements about the particular entity is ture? |
A |
The
gene for producing insulin is present in every body cell |
B |
Nucleosome
is formed of nucleotides |
C |
DNA
consists of a core of eight histones |
D |
Centromere
is found in animal cell, Which produces aster during cell division. |
Ans |
The
gene for producing insulin is present in every body cell |
34 |
The
3’-5’ phosphodiester linkages inside a poly nucleotide chain serve to join. |
A |
One
nucleoside with another nucleoside |
B |
One
nucleotide with another nucleotide |
C |
One
nitrogenous base with pentose sugar |
D |
One
DNA strand with other DNA. Strand |
Ans |
One
nucleotide with another nucleotide |
35 |
What
are those structures that appear as ‘beads-on-string’ in the chromosome, when
viewed under electron microscope? |
A |
Genes
|
B |
Nucleotides
|
C |
Nucleosomes
|
D |
Base
pairs |
Ans |
Nucleosomes |
36 |
Cytoskelon
is made up of: |
A |
Cellulosic
microfibrills |
B |
Proteinaceous
filaments |
C |
Calcium
carbonate granules |
D |
Callose
deposits |
Ans |
Proteinaceous
filaments |
37 |
Synapsis
occur between. |
A |
Spindle
fibres and centromere |
B |
Two
homologous chromosomes |
C |
A
male and a female gamete |
D |
M
RNA and ribosomes |
Ans |
Two
homologous chromosomes |
38 |
During
mitosis ER and nucleolus begin to disappear at. |
A |
Late
prophase |
B |
Early
metaphase |
C |
Late
metaphase |
D |
Early
Prophase |
Ans |
Late
prophase |
39 |
What
would be the number of chromosome of the aleurone cells of a plant with u2
chromosome in its root tip cells? |
A |
42 |
B |
63 |
C |
84 |
D |
21 |
Ans |
63 |
30 |
Crosing
over that results in genetic recombination in higher organisma occur between. |
A |
Sister
chromatids of bivalent |
B |
Non-sister
chromatids of a bivalent |
C |
Two
daughter nuclei |
D |
Two
different bivalents |
Ans |
Non-sister
chromatids of bivalent |
41 |
At
what stage of the cell cycle are histone proteins synthesized in a eukaryotic
cell? |
A |
During
G2-stage of prophase |
B |
During
S-phase |
C |
During
entire prophase |
D |
During
telophase |
Ans |
During
S-phase |
42 |
The
salivary gland chromosomes in the dipteran larvae are useful in gene mapping
because. |
A |
These
are much longer in size |
B |
These
are easy to stain |
C |
These
are fused |
D |
They
have endoreduplicated chromosome |
Ans |
They
have endoreduplicated chromosome |
43 |
Centromere
is required for. |
A |
Movement
of chromosome toward poles |
B |
Cytoplasmic
cleavage |
C |
Crossing
over |
D |
Transcription |
Ans |
Movement
of chromosome toward poles |
44 |
If
a diploid cell is treated with colchicine then it becomes. |
A |
Triploid
|
B |
Tetraploid |
C |
Diploid
|
D |
Monoploid |
Ans |
Tetraploid |
45 |
In
the somatic cell cycle. |
A |
In
G1-phase DNA content is double the amount of DNA present the original of cell |
B |
DNA
replication takes place in S-phase |
C |
A
short interphase is followed by a long mitotic phase |
D |
G2-phase
follows mitotic phase |
Ans |
DNA
replication takes place in S-phase |
46 |
If
you are provided with root tips of onion in your class and asked to count the
chromosome, which of the following stage can you most conveniently look in
to? |
A |
Metaphase
|
B |
Telophase
|
C |
Anaphase
|
D |
Prophase
|
Ans |
Metaphase |
47 |
Which
one of the following precedes reformation of the nuclear envelope during M
phase of the cell cycle? |
A |
Decondensation
from chromosomes and reassembly of the nuclear lamina |
B |
Transcription
from chromosome and reassembly of the nuclear lamina |
C |
Formation
of the contractile ring and formation of the phragmoplast |
D |
Formation
of the contractile ring and transcription from chromosome |
Ans |
Decondensatin
from chromosome and reassembly of the nuclear lamina |
48 |
Extra
nuclear DNA [genes] are located in |
A |
Lysosomes
and chloroplasts |
B |
Golgi
complex and ribosomes |
C |
Chloroplasts
and mitochondria |
D |
Ribosomes
and mitochondria |
Ans |
Chloroplasts
and mitochondria |
49 |
Mitotic
spindle is mainly composed of which protein? |
A |
Actin
|
B |
Myoglobin |
C |
Myosin |
D |
Actomyosin
|
Ans |
Actin
|
50 |
Extra
nuclear chromosomes occur in. |
A |
Peroxisome,
ribosome |
B |
Chloroplast,
mitochondria |
C |
Mitochondria,
ribosome |
D |
Chloroplast,
lysosome |
Ans |
Chloroplast,
mitochondria |
51 |
Which
of the following occurs more than one and less than five in a chromosome? |
A |
Chromatid
|
B |
Chromosome
|
C |
Centromere
|
D |
Telomere |
Ans |
Telomere |
52 |
Ribosomes
are produced in. |
A |
Nucleolus
|
B |
Cytoplast
|
C |
Mitochondria
|
D |
Golgi
body |
Ans |
Nucleolus
|
53 |
Best
material for the study of mitosis in laboratory is. |
A |
Root
tip |
B |
Leaf
tip |
C |
Ovary |
D |
Anther |
Ans |
Root
tip |
54 |
Crossing
over in diploid is responsible for. |
A |
Dominance
of gene |
B |
Linkage
between genes |
C |
Segregation
of alleles |
D |
Recombination
of linked alleles |
Ans |
Recombination
of linked alleles |
55 |
DNA
is mainly found in. |
A |
Nucleus
only |
B |
Cytoplasm
only |
C |
Both
a] and b] |
D |
Nucleolus
|
Ans |
Nucleus
only |
56 |
The
eukaryotic genome differs from the prokaryotic genome because . |
A |
DNA
is complexed with histones in prokaryotes |
B |
Repetitive
sequences are present in eukaryotes |
C |
Genes
in the former cases are organised in to operons |
D |
DNA
is circular and single stranded in prokaryotes |
Ans |
Repetitive
sequences are present in eukaryotes |
57 |
During
cell cycle, the DNA replication occur in. |
A |
M-phase
|
B |
S-phase
|
C |
G1-phase
|
D |
G2-phase
|
Ans |
S-phase
|
58 |
During
cell division, the spindle fibres attach to the chromosome at a region
called. |
A |
Chromocentre |
B |
Kinetochore
|
C |
Centriole |
D |
Chromomere
|
Ans |
Kinetochore |
59 |
Extra
nuclear DNA [genes] are located in |
A |
Lysosomes
and chloroplasts |
B |
Golgi
complex and ribosomes |
C |
Chloroplast
and mitochondria |
D |
Mitochondria
and lysosome |
Ans |
Chloroplast
and mitochondria |
60 |
Which
one of the following structures will not be common to mitotic cells of higher
plants? |
A |
Cell
plate |
B |
Centriole
|
C |
Centromere |
D |
Spindle
fibres |
Ans |
Centriole
|
61 |
Genes
located on mitochondrial DNA. |
A |
Generally
show maternal in heritance |
B |
Are
always inherited from the male parent |
C |
Show
biparental inheritance like the nuclear genes |
D |
Are
not inherited |
Ans |
Generally
show maternal in heritance |
62 |
Centromere
is a part of. |
A |
Ribosomes
|
B |
Chromosome |
C |
Mitochondria |
D |
Endoplasmic
reticulum |
Ans |
Chromosome
|
63 |
How
many mitotic divisions are needed for a single cell to make 128 cells? |
A |
7 |
B |
14 |
C |
28 |
D |
64 |
Ans |
7 |
64 |
The
point, at which polytene chromosome appear to be attached together, is
called. |
A |
Centriole
|
B |
Centromere |
C |
Chromomere |
D |
Chromocentre |
Ans |
Choromocentre |
65 |
Lampbrush
chromosomes oocur during. |
A |
Prophase
of mitosis |
B |
Diplotene
of meiosis |
C |
Metaphase
of meiosis |
D |
Interphase
|
Ans |
Diplotene
of meiosis |
66 |
In
cell cycle, DNA replication takes place in. |
A |
G1-
phase |
B |
G2-
phase |
C |
Mitotic
metaphase |
D |
S-phase
|
Ans |
S-phase |
67 |
The
exchange of genetic material between chromatids of paired homologous
chromosomes during first meiotic division is called. |
A |
Transformation
|
B |
Chiasmata |
C |
Crossing
over |
D |
Synapsis
|
Ans |
Crossing
over |
68 |
During
cell division in apical meristem the nuclear membrane appears in. |
A |
Metaphase
|
B |
Anaphase
|
C |
Telophase |
D |
Cytokinesis |
Ans |
Telophase |
69 |
Balbiani
rings [puffs] are sites of. |
A |
RNA
and protein synthesis |
B |
DNA
replication |
C |
Synthesis
of polysaccharides |
D |
Synthesis
of lipids |
Ans |
RNA
and protein synthesis |
70 |
In
salivary gland chromosomes polytene chromosomes pairing is. |
A |
Abesent
|
B |
Occasional
|
C |
Formed
between non-homologous chromosome |
D |
Formed
between homologous chromosomes |
Ans |
Formed
between homologous chromosomes |
71 |
Meiosis-II
performs. |
A |
Separation
of sex chromosomes |
B |
Synthesis
of DNA and centromeres |
C |
Separation
of homologous chromosomes |
D |
Separation
of chromatids |
Ans |
Separation
of chromatids |
72 |
Best
stage to observe shape, size and number of chromosomes is. |
A |
Interphase
|
B |
Metaphase
|
C |
Prophase
|
D |
Telophase |
Ans |
Metaphase
|
73 |
Meiosis
has evolutionary significance because it results in. |
A |
Genetically
similar daughters |
B |
Four
daughter cells |
C |
Eggs
and sperms |
D |
Recombinations |
Ans |
Recombinations
|
74 |
Nucleoproteins
are synthesized in. |
A |
Nucleoplasm |
B |
Nuclear
envelope |
C |
Nucleolus
|
D |
Cytoplasm |
Ans |
Cytoplasm |
75 |
Segregation
of mendelian factor (Aa) occurs during diplotene. |
A |
Diplotene |
B |
Anaphase-I |
C |
Zygotene\pachytene |
D |
Anaphase-I |
Ans |
Anaphase-I |
76 |
Hammerlings
experiments of Acetabularia involved exchangeing. |
A |
Cytoplasm |
B |
Nucleus
|
C |
Rhizoid
and stalk |
D |
Gametes |
Ans |
Nucleus
|
77 |
In
telophase of mitosis ,the mitotic spindle breaks down and nuclear membranes
form this is essentially the opposite of what happen in … |
A |
Prophase |
B |
Metaphase
|
C |
Anaphase
|
D |
None
of these |
Ans |
Prophase
|
78 |
The
sequence of events by which a cell duplicates its genome synthesizes other
constituents of the cell and eventually cell is termed as. |
A |
M-phase |
B |
Kary
chorists |
C |
Cell
cycle |
D |
None
of these |
Ans |
M-phase |
79 |
Lampbrusn
chromosomes are seen in which typical stage? |
A |
Meiotic prophase |
B |
Mitotic
prophase |
C |
Mitotic
anaphase |
D |
Mitotic
metaphase |
Ans |
Meiotic
prophase |
80 |
Experiments
on Acetabularia by Hammering proved the role of. |
A |
Cytoplasm in controlling differentiation |
B |
Nucleus
in heredity |
C |
Chromosomes
in heredity |
D |
Nucleocytoplasmic
ratio |
Ans |
Nucleus
in heredity |
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