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) |
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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 |
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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) |
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In a diploid cell, at which stage of cell cycle, the amount of DNA is doubled?

(1) G1 and G2 phase

(2) Gphase

(3) S, G2 and M phase

(4) S phase

Subtopic:  Intro to Cell Cycle & Interphase |
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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 |
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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 |
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Identify the correct matched pair.
(1) Segregation-Metaphase ll

(2) Significance of meiosis-production of genetically similar cells

(3) Exchange of genetic material- DIakinesis

(4) Anaphase ll of meiosis-Centromeric division

Subtopic:  Cell Cycle: Meiosis II |
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The mandatory combination responsible for assembly of microtubules are

(1) Na+ and Ca2+

(2) Mg2+ and Ca2+

(3) Cl- and Ca2+

(4) Na+ and K+

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The exchange of segments of two non-homologous pair of chromosomes is termed as

(1) Crossing over

(2) Linkage

(3) transformation 

(4) translocation 

Subtopic:  Cell Cycle: Meiosis I |
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The exchange of segments of non-sister chromatids between chromosomes of a homologous pair termed as

(1) transformation 

(2) translocation

(3) crossing over

(4) chromosomal aberration

Subtopic:  Cell Cycle: Meiosis I |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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