A) auxin
B) kinetin
C) ethylene
D) colchicines
Correct Answer: D
Solution :
Colchicine is a poisonous alkaloid isolated from seeds of Colchicum autumnale. It prevents spindle formation and thus inhibits movement of chromosomes during anaphase. As a result, chromosome number of cell doubled and leads to polyploidy.
You need to login to perform this action.
You will be redirected in
3 sec
