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CBSE - Class 11 Biology Cell Cycle and Division Worksheet

What is the average cell cycle span for a mammalian cell?

Describe the following:
(a) synapsis
Draw a diagram to illustrate your answer.

List the main differences between mitosis and meiosis.

Name the stage of cell cycle at which one of the following events occur:
(ii) Centromere splits and chromatids separate.

Can there be DNA replication without cell division?

Name the stage of cell cycle at which one of the following events occur:
(i) Chromosomes are moved to spindle equator.

Distinguish anaphase of mitosis from anaphase I of meiosis.

Find examples where the four daughter cells from meiosis are equal in size and where they are found unequal in size.

Name the stage of cell cycle at which one of the following events occur:
(iii) Pairing between homologous chromosomes takes place.

10.

Discuss with your teacher about
(i) haploid insects and lower plants where cell-division occurs, and

11.

Distinguish cytokinesis from karyokinesis.

12.

Name the stage of cell cycle at which one of the following events occur:
(iv) Crossing over between homologous chromosomes takes place.

13.

Can there be mitosis without DNA replication in ‘S’ phase?

14.

What is $G_0$ (quiescent phase) of cell cycle?

15.

Discuss with your teacher about
(ii) some haploid cells in higher plants where cell-division does not occur.

16.

Describe the events taking place during interphase.

17.

Analyse the events during every stage of cell cycle and notice how the following two parameters change
(ii) amount of DNA content ($C$) per cell

18.

How does cytokinesis in plant cells differ from that in animal cells?

19.

Analyse the events during every stage of cell cycle and notice how the following two parameters change
(i) number of chromosomes ($N$) per cell

20.

Describe the following:
(b) bivalent
Draw a diagram to illustrate your answer.

Worksheet Answers

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