Question

In sea cucumber, the side in contact with substratum is

• A. Anal
• B. Oral
• C. Length wise ventral
• D. None of the above

Answer 1

The correct option is C Length wise ventral

A) The anus is posterior and does not face the substratum.

B) The oral end is anterior and does not face the substratum.

C) The ventral surface of sea cucumber rests on the substratum longitudinally.

D) It rests on its ventral surface.

So the correct answer is 'Length wise ventral'.