Step Self Assessment Test Past Paper MDCAT Test 6 - MDCATustad

A collection of mdcat, ecat, f.sc, ics and matric examination all subjects MCQs and past papers chapter wise.

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Monday, June 22, 2020

Step Self Assessment Test Past Paper MDCAT Test 6

Step Self Assessment Test 2020 Past Paper

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MDCAT STEP SELF ASSESSMENT MCQs:

1.           Cell cycle comprises phases ________
              a            Two      b Three
              c            Four     d Five
2.           Post mitotic cell can exist the cell cycle during
              a            G2         b S-Phase
              c            G1         d G0
3.           DNA synthesis takes place in
              a            G2         b S-Phase
              c            G0         d G1
4.           Never cells remain the life time in
              a            S-Phase  b G1
              c            G2           d G0
5.           Pre-mitotic phase is ______
              a            G0         b S-Phase
              c            G2         d G11
6.           Which one is misleadingly called resting phase
              a            G0         b G1
              c            G2         d Interphase
7.           Energy storage for chromosomal movements in
              a            G2            b         G1
              c            S-Phase  d         G0
8.           In yeast, which one takes place in 90 minutes.
              a            Interphase        b Mitosis
              c            Phase                d Cell cycle
9.           Mitosis may be divided into phases
              a            Two      b Four
              c            Six         d Not possible
10.        The partition of the centrioles take place in
              a            Interphase
              b            Karyokinesis
              c            Prophase
              d            Anaphase
11.        Which establish the bipolarity of the dividing cells
              a            Tetrad        b  Asters
              c            Centrioles  d Spindles
12.        Microtubules are composed of a protein called
              a            Histone   b Tubulin
              c            Fibrin      d RNA
13.        Spindle is composed of __________ microtubules
              a    Single set
              b    Two sets
              c    Three sets
             d     Four sets
14.        Polar microtubules do not interact the
              a            Centrioles
              b            Chromosomes
              c            Tubulin
             d             RNA
15.        Aster and spindle is called
              a            Mitotic apparatus
              b            Chromatin
              c            Kinetochose
              d            Karyokinesis
16.        Karyokinesis can be divided into phases __________
              a            Two      b  Three
              c            Four     d   Five
17.        Which one is non-dividing phase
              a            Prophase
              b            Metaphase
              c            Interphase
              d            Telophase
18.        The most critical phase of the mitosis
              a            Prophase
              b            Metaphase
              c            Anaphase
              d            Telophase
19.        By using histologic stains for DNA, a network of very fine threads can be visualized during
              a            Interphase
              b            Prophase
              c            Metaphase
              d            Anaphase
20.        At the beginning of prophase the length of the chromosomes is
              a            0.1-0.5um
              b            0.15-2.5um
              c            0.2-4.5um
              d            0.25-50um
21.        Primary constriction is ________
              a            Kineto chore
              b            Centromere
              c            Chromatid
              d            Chromatin
22.        Cytoplasm becomes viscous during
              a            Prophase
              b            Metaphase
              c            Anaphase
              d            Telophase
23.        Which is actually reduction phase
              a            Prophase
              b            Anaphase
              c            Telophase
              d            Anaphase I
24.        The paired chromosomes repel each other and begin to separate
              a            Anaphase I
              b            Anaphase
              c            Diplotene
              d            Telophase
25.        First essential phenomenon of meiosis
              a            Synapsis
              b            Crossing over
              c            Chiasmata formation
              d            Separation of homologous chromosomes
26.        Sister chromatids are separated from centromere
              a            Metaphase I
              b            Anaphase I
              c            Telophase
              d            Anaphase
27.        Reaching of the chromosomes at opposite poles terminates
              a            Anaphase
              b            Metaphase
              c            Telophase
              d            Prophase
28.        The chromosomes decondense due to unfolding, ultimately disappear as chromatin during
              a            Prophase
              b            Anaphase
              c            Telophase
              d            Metaphase
29.        Each dipoled cell after meiosis produces
              a            Four diploid cells
              b            Two diploid cells
              c            Four haploid cells
              d            Two haploid cells
30.        The interphase of meiosis lacks
              a            G0         b      S-Phase
              c            G1         d      G2
31.        Each paried but not fused complex structure is called
              a            Bivalent
              b            Synapsis
              c            Chaismata
              d            Crossing over
32.        Chiasma visible in
              a            Diakinesis
              b            Diplotene
              c            Pachytene
              d            Zygotene
33.        Synaptonemal complex disappearing in
              a            Pachytene
              b            Zygotene
              c            Diplotene
              d            Diakinesis
34.        Point of interchange is
              a            Bivalent
              b            Synapsis
              c            Chiasma
              d            Centromere
35.        Meiotic errors causing disorders
              a            Physical            
               b           Social
              c            Mental
              d            Physical, social and mental
36.        In mongolism which pair of chromosome fails to regregate
              a            X          b      13th
              c            21th     d      22th
37.        Which one is due to autosomal non disjunction
              a            Down’s syndrome
              b            Klinefelter’s syndrome
              c            Turner’s syndrome
              d            Jacobs
38.        Tallness and obesity is related with
              a            Mongolism
              b            Klinefelters syndrome
              c            Turner’s syndrome
              d            Edward
39.        Trisomy of 18 chromosomes takes place in
              a            Down        b       Patau
              c            Edward     d Turner
40.        Blebbing takes place during
              a            Karyokinesis
              b            Cytokinesis
              c            Apoptosis
              d            Necrosis
41.        Intra cellular constituents are released freely in extra cellular atmosphere during
              a            Necrosis
              b            Apoptosis
              c            Cytokinesis
              d            Karyokinesis
42.        The cell n-1 chromosomes is results of non – disjunction during
              a            Meiosis I
              b            Meiosis II
              c            Meiosis I and Meiosis II
              d            Mitosis
43.        44 autosomes +X individual are
              a            Mongolism
              b            Turner
              c            Klinefelter
              d            Edward
44.        Birth frequency is greatest of 
              a            Patau
              b            Edward
              c            Down
              d            Turner
45.        Xyy individuals are
              a            Down b Turner
              c            Jacobs d Klinefelter
46.        The chance of teenage mother having down’s syndrome child is
              a            One in thousand
s             b            One in hundred
              c            One in thirty
              d            One in ten
47.        Nuclear envolpe fragmenting takes place in stage of meiosis-prophase
              a            Diakiness
              b            Diplotene
              c            Pachytene
              d            Zygotene
48.        Mutation bring how many basic changes in the cancer cells
              a            Two     b            Three
              c            Four    d            Twenty
49.        The spread of tumor cells and establishment of secondary areas of growth is called as
              a            Malignancy
              b            Apoptosis
              c            Necrosis
              d            Metastasis
50.        All are gift of mitosis except
              a            Regeneration
              b            Cancer
              c            Healing of wounds
              d            Replacement of older cell
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