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CELL CYCLE, CELL DIVISION
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Question 1 |
Karyokinesis differs from cytokinesis as it involves division of ..... [AMU 1998]
Cytoplasm | |
Nucleus | |
Both nucleus and cytoplasm | |
Cell |
Question 2 |
Which of the correct order of phases in prophsae I?
Leptotene, zygotene, pachytene, diplotene, diakinesis | |
Laptotene, pachytene, zygotene, diplotene, dikinesis | |
Leptotene, diakinesis, pachytene, diplotene, zygotene | |
Diakinesis, diplotene, pachytene, zygotene, leptotene |
Question 3 |
Pick up the correct statement:
a) Synapsis of homologous chromosomes occurs during prophase I
b) Division of centromeres takes place during anaphase I
c) Spindle fibers disappear completely in telophase of mitosis
d) Nucleoli may reappear in telophase I
a) Synapsis of homologous chromosomes occurs during prophase I
b) Division of centromeres takes place during anaphase I
c) Spindle fibers disappear completely in telophase of mitosis
d) Nucleoli may reappear in telophase I
a only | |
c only | |
a and b only | |
a, c and d only |
Question 4 |
A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics..... [NEET 2013]
correctchoice Telophase $\rightarrow$ Nuclear envelop reforms, golgi complex reforms | |
Late Anaphase $\rightarrow$ Chromosomes move away from equatorial plate, golgi complex not present. | |
Cytokinesis $\rightarrow$ Cell plate formed, mitochondria distributed between two daughter cells. | |
a, c and d only |
Question 5 |
Significance of meiosis lies in ..... [MPPMT 1995]
Production of genetic variability | |
maintaining constancy of chromosome number during sexual reproduction | |
Reduction of chromosome number to one half | |
All the above |
There are 5 questions to complete.