Q. Consider the following statements about colchicine I. It is an alkaloid widely used in plant breeding for doubling the chromosome number II. Colchicine induced polyploidy has been used in raising several varieties of horticulture and agricultural plants Which of the statements given above is/are correct?
A) Only I
B) Only II
C) Both I and II
D) None of these
Explanation
Colchicine is an alkaloid widely used in plant breeding for doubling the chromosome number. Colchicine is extracted from the corms of Autumn crocus (Colchicum autumnale). The alkaloid does not allow the formation of spindle. Colchicine induced polyploidy has been used in raising several varieties of horticultural and agricultural plants, $e.g.,$ potato
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.