Mitosis

IMPORTANT

Mitosis: Overview

This topic covers concepts such as Mitosis, Karyokinesis, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis, and Significance of Mitosis.

Important Questions on Mitosis

EASY
IMPORTANT

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

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

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

MEDIUM
IMPORTANT

Anastral mitosis is the characteristic feature of

HARD
IMPORTANT

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.

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

During cell division, chromosome attaches with spindles at : 

EASY
IMPORTANT

Cell division is completed in two parts namely ______ and cytokinesis

MEDIUM
IMPORTANT

Mitosis occurs only in multicellular organisms.

EASY
IMPORTANT

Which one of the following is the significance of mitosis?

EASY
IMPORTANT

Colchicine is obtained from which of the following families?

EASY
IMPORTANT

Which stage of mitosis is arrested by colchicine?

EASY
IMPORTANT

The anaphase promoting complex is activated by:

EASY
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Which phase of mitosis is essentially the opposite of prophase in terms of nuclear changes?

EASY
IMPORTANT

Depict the type of cell division that is taking place in two cell cycle A and B, by considering the amount of DNA.

Question Image

EASY
IMPORTANT

The replication of centrioles occurs during early _____.

EASY
IMPORTANT

During which phase of the cell cycle, does cell plate formation takes place?

MEDIUM
IMPORTANT

Match the items in column I with those in column II and choose the correct answer:

Column I Column II
P. Mitosis 1. Occurs in diploid cells only.
Q. Meiosis 2. Occurs in both haploid and diploid cells.
  3. Daughter and parent cells have same chromosome numbers.
  4. Synapsis of homologous chromosomes.

MEDIUM
IMPORTANT

Number of meiotic divisions required to produce 200 seeds is ________

MEDIUM
IMPORTANT

In the metaphase stage, the proper polar orientation of spindle fibre is