CELL CYCLE, CELL DIVISION biology MCQ’s questions answers

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CELL CYCLE, CELL DIVISION

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Karyokinesis differs from cytokinesis as it involves division of ..... [AMU 1998]
A
Cytoplasm
B
Nucleus
C
Both nucleus and cytoplasm
D
Cell
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the correct order of phases in prophsae I?
A
Leptotene, zygotene, pachytene, diplotene, diakinesis
B
Laptotene, pachytene, zygotene, diplotene, dikinesis
C
Leptotene, diakinesis, pachytene, diplotene, zygotene
D
Diakinesis, diplotene, pachytene, zygotene, leptotene
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
a only
B
c only
C
a and b only
D
a, c and d only
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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]
A
correctchoice Telophase $\rightarrow$ Nuclear envelop reforms, golgi complex reforms
B
Late Anaphase $\rightarrow$ Chromosomes move away from equatorial plate, golgi complex not present.
C
Cytokinesis $\rightarrow$ Cell plate formed, mitochondria distributed between two daughter cells.
D
a, c and d only
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Significance of meiosis lies in ..... [MPPMT 1995]
A
Production of genetic variability
B
maintaining constancy of chromosome number during sexual reproduction
C
Reduction of chromosome number to one half
D
All the above
There are 5 questions to complete.

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