Q. Consider the following statements I. Flame cells are excretory structures in flatworms. II. Green glands are excretory organs in annelids. III.Columns of Bertini are the conical projections of renal pelvis into renal medulla between the renal pyramids.

A) I and II correct
B) II and III incorrect
C) I and III correct
D) I, II and III correct
Explanation

Green glands are excretory organs in Arthropoda. The renal columns of Bertini is the part of cortex continued inside medulla between pyramids.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.