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Study Mitosis in Onion Root Tip
Study Mitosis in Onion Root Tip
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1)
What are the two main stages of the cell cycle?
Karyokinesis and Cytokinesis
Mitosis and Interphase
Cytokinesis and Interphase
Telophase and Interphase
2)
Which among the following is the most suitable material for the study of mitosis?
The parenchyma cells in the stem.
The meristamatic cells located in the root tips.
Phloem cells in the flower.
The cells located in the leaf.
3)
Which are the three stages of interphase?
G1, S, G2
S1,G,S2
C1, S C2
G1, M, G2
4)
Which among the following is not a correct option for the stages of metaphase?
Each chromosome gets attached to spindle fibres at its centromere.
The chromosomes arranged at the midline of the cell.
The nuclear membranes and nucleolus re-form and two daughter nuclei appear at opposite poles
The chromosome become thick and two chromatids of each chromosome become clear.
5)
What is karyokinesis?
Process of formation of nucleolus.
Process of division of nucleus.
Process of formation of nucleus.
Process of division of cell.
6)
What is the first phase of mitosis called?
Telophase
Prophase
Anaphase
Metaphase
7)
Most of the life of a cell is spent in ______.
Anaphase
Interphase
Cytokinesis
Telophase
8)
Which stage of mitosis is seen in the image?
Telophase
Prophase
Metaphase
Anaphase
9)
Which structure pulls the chromatids to opposite polls of the cell?
Chromatin Fibres
Centromere
Spindle fibres
Chromosome
10)
In which phase does the nuclear membrane and nucleolus disappear.
Interphase
Anaphase
Prophase
Telophase