EASY
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Spindle apparatus is formed during which stage of mitosis?

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Important Questions on Cell Cycle and Cell Division

EASY
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Select the incorrect statement with reference to mitosis:
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Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Which ONE of the following sequences of events CORRECTLY represents mitosis?
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Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Which one of the following never occurs during mitotic cell division?
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Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Fill in the blanks
During metaphase, spindle fibres attach to ________.
Centromeres split and chromatids __________ during __________.
MEDIUM
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Which of the following options gives the correct sequence of events during mitosis?
MEDIUM
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Select the incorrect match.
MEDIUM
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
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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Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Spindle formation can be disuupted by exposing cell to the microtubule poison ?
EASY
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
EASY
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:
MEDIUM
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Choose the correct statements among the following.
(A) The stage between two meiotic divisions is called interphase
(B) During zygotene, the pairing of homologous chromosomes and synapsis takes place.
(C) Initiation of mitotic spindle takes place during metaphase
(D) In animals, mitotic cell division takes place in diploid somatic cells and not in haploid cells
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Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Which of the following is not a characteristic feature during mitosis in somatic cells?
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Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Choose the incorrect statements among the following.
A) Cells of the lining of the gut are replaced by mitotic division constantly
B) Formation of liquid endosperm takes place, if karyokinesis is not followed by cytokinesis
C) In telophase, the chromosomes reach the poles and condenses to form the chromatic network
D) In quiescent stage, the cell is metabolically inactive.
MEDIUM
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis

Select the correct statements.

A. Tetrad formation is seen during the Leptotene.

B. During Anaphase, the centromeres split and chromatids separate.

C. Terminalization takes place during Pachytene.

D. Nucleolus, Golgi complex and ER are reformed during Telophase.

E. Crossing over takes place between sister chromatids of homologous chromosomes.

Choose the correct answer from the options given below:

EASY
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Which ONE of the following statements about mitosis is CORRECT?
MEDIUM
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Assertion (A): Mitosis is often called indirect division
Reason (R): Mitosis divides a parent cell into two daughter cells
MEDIUM
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Below features indicates which phase of mitosis?
(i) Chromosomes cluster at opposite spindle poles and their identity is lost as discrete elements
(ii) Nuclear envelope assembles around the chromosome clusters
(iii) Nucleolus, Golgi complex and ER reform
HARD
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
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
Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
A cell at the telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at the telophase stage. There is no formation of the cell plate and thus the cell is containing more chromosomes as compared to other dividing cells. This would result in:
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Biology>Cell: Structure and Functions>Cell Cycle and Cell Division>Mitosis
Spindle fibres attach on to: