Question

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 extensions of the renal cortex into the renal medulla between the renal pyramids.

• A. II and III incorrect
• B. I and II correct
• C. I and III correct
• D. I, II and III correct

Answer 1

The correct option is C I and III correct

II) Green glands are excretory organs of some arthropods like crustaceans. They are also called antennal glands because these glands are located near the base of larger antennae.

III) Columns of Bertin is the projection of cortex into the renal medulla as renal columns in between the renal pyramids.

So, the correct answer is 'II and III are incorrect'.