Multiple choice

Which opening is controlled by the proctodeal valve of a cockroach?

  1. Mesentron to gizzard

  2. Midgut to hindgut

  3. Foregut to midgut

  4. Colon to rectum

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Midgut opens into the hindgut through proctodeal valve, which regulates food flow.