Number of mitotic division required in a cell of root tip for formation of 128 cells is

1. 12

2. 3

3. 7

4. 6

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 66%
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Barr body is found in the cytoplasm during

1. interphase in cell of female mammal.

2. interphase in cell of male mammal.

3. prophase in cell of female mammal.

4. prophase in cell of male mammal.

Subtopic:  Intro to Cell Cycle & Interphase |
 52%
AIIMS - 2001
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When synapsis is complete all along the chromosome, the cell is said to have entered a stage called
(1) Zygotene

(2) pachytene

(3) diplotene

(4) diakinesis.

Subtopic:  Cell Cycle: Meiosis I |
 73%
From NCERT
AIIMS - 2005
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Many cells function properly and divide mitotically even though they do not have 

(1) Plasma membrane

(2) Cytoskeleton

(3) Mitochondria

(4) Plastids

AIIMS - 2005
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Which of the following is not a characteristic of meiosis?
(1) It involves two stages of DNA replication one before meiosis-I and another before meiosis-II

(2) It involves recombination and crossing over

(3) Sister chromatids separate during anaphase- II

(4) Nuclear membrane disappears during prophase.

Subtopic:  Cell Cycle: Meiosis I |
 78%
From NCERT
AIIMS - 2011
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Microtubule depolymerizing drug such as colchicine is expected to 

(1) inhibit spindle formation during mitosis 

(2) inhibit cytokinesis

(3) allow mitosis beyond metaphase

(4) induce formation of multiple contractile

Subtopic:  Cell Division: Mitosis (Cytokinesis) |
 71%
AIIMS - 2012
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Which of the following statements is incorrect about G0 phase.
(1) Mitosis occurs after Gphase.

(2) Biocatalysts can be used to exit G0 phase.

(3) Cell volume keeps on increasing during this phase.

(4) Cell metabolism occurs continuously in Gphase.

Subtopic:  Intro to Cell Cycle & Interphase |
AIIMS - 2012
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Beads on string like structures of A are seen in B, which further condense to form chromosomes in C stage of cell division.

            A                   B                   C

(1) Chromonema  Chromatin       Metaphase

(2) Chromatin      Chromatid       Metaphase

(3) Chromonema  Chromosome    Anaphase

(4) Chromonema  Chromatid       Anaphase.

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
AIIMS - 2012
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Which is the longest phase of the cell cycle?
(1) M-phase

(2) Interphase

(3) Leptotene

(4) S-phase

Subtopic:  Intro to Cell Cycle & Interphase |
 87%
From NCERT
AIIMS - 2014
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The checkpoint in cell cycle plays important role in 

(1) repairing DNA damage

(2) apoptosis initiation

(3) assessing DNA damage

(4) none of these.

Subtopic:  Intro to Cell Cycle & Interphase |
AIIMS - 2017
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