[masthanbasha]

Actually, a college professor mailed me that information about Levenspiel. I will mail him as to what exact edition and chapter he is referring to. But, I don't know if he will be able to reply within the weekend.

Also, I haven't attempted the cytokinesis question, and should not say anything regarding that. But, probably, colchicine acts by inhibiting spindle fibre formation is specifically mitotic inhibitor and cytokinesis occurs thereafter, so it might not be accepted. So, its better to look a bit deeper into that.

In case of some unicellular eukaryotes, Colchicine has been reported as inhibitor. Refers ncbi site.

RONIT SHARMA is colchicine was the correct answer for Q.No.18