Name a drug that has an inhibitory effect on cell cycle in mitotic stage.

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

Does mitosis occur before or after the interphase?

Mitosis cell division helps in regeneration process. How?

Two key events take place during S-phase in animal cells, DNA replication and duplication of centriole. In which parts of the cell do these events occur?

Distinguish cytokinesis from karyokinesis.

If a tissue has 1024 cells at a given time, how many cycles of mitosis had the original parental single cell undergone?

Meiosis is essential in sexually reproducing organisms.Why?

At the following stage of meiosis, the chromosomes appear to be beaded.Can you find out the stage?

What is kinetochore?

What is the significance of meiosis?

There occurs a process in which two divisions of nucleus take place. Identify the process and also write about its different phases.

Why do the chromosomes become short and thick in prophase?

Why is mitosis called equational division?

How would you analyse that the cell's entire energy is devoted to the process of division in the M-phase?

Name a cell that is found arrested in diplotene stage for months and years. Comment in 2-3 lines how it complete cell cycle?

What is chiasmata? Mention its significance also.

Describe cell division. List various types of cell division. Also mention about the need of cell division?

Both unicellular and multicellular organisms undergo mitosis. What are the differences if any observed in the process between the two?

The diagram below represents the changes in the number of chromosomes during several processes that occur in an animal cell.

(i) Name the process of cell division occurring at X and Y.
(ii) State two differences in the behaviour of chromosomes between X and Y.

Briefly describe the significance of cell division.

Explain meiosis-II in an animal cell.

Why does a multicellular organism require two types of cell division? Which of the two, produces the greater number of cells? Describe prophase-I stage.