Mitosis

IMPORTANT

Mitosis: Overview

This topic covers concepts such as Mitotic Spindle, Syncytium, Nucleo-Cytoplasmic ratio, Mitosis, Karyokinesis, Prophase, Metaphase, Metaphase Plate, Anaphase, Telophase, Cytokinesis, Cytokinesis in Animal Cell, Cytokinesis in Plant Cell, etc.

Important Questions on Mitosis

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Colchicine prevents the mitosis of cells at which of the following stage?

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Find out the odds one with respect to mitotic poison

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By comparing mitosis and meiosis occurring in the same organism, which ONE of the following options is CORRECT regarding the DNA content per cell?

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Which ONE of the following sequences of events CORRECTLY represents mitosis?

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Anastral mitosis is the characteristic feature of

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A cell weighing 1mg grows to double its initial mass before dividing into two daughter cells of equal mass. Assuming no death, at the end of 100 divisions what will be the ratio of the mass of the entire population of these cells to that of the mass of the Earth? Assume that mass of the earth is 1024 kg and 210 is approximately equal to 1000.

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Assertion (A): Syncytium is the result of karyokinesis not followed by cytokinesis.

Reason (R):  In plant cell, middle lamella formation starts from centre and grows outwards of the cell and leads to cell wall formation.

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Colchicine checks _______________.

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The nuclear-cytoplasmic ratio is a ratio of the volume of the _____ of a cell to the size of the cytoplasm of that cell.

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During cleavage, nucleocytoplasmic ratio (nucleus/ cytoplasm) increases.

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Nucleocytoplasmic ratio restoration is conducted in

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What is high N C ratio?

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The syncytium acts as a _____ epithelium.

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Syncytia is formed by the fusion of adjacent cells with infected cells, leading to the development of enlarged multi-nucleate cells.

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In humans, syncytia can be found in the_____(skeletal muscles/ smooth muscles)

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What is the function of Syncytium?

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Match the words listed in Column I with suitable words from Column II.

Column I Column II
A. Karyokinesis 1, Meiocytes
B. Cytokinesis 2. Plant cells
C. Meiosis 3. Nuclear division
D. Cell plate 4. Cytoplasmic division

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During cell division, chromosome attaches with spindles at : 

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Polynucleated cells of the plants are known as

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Polynucleated cells of animals are called