Question

What is common between cockroach and earthworm?

• A. Red blood
• B. Segmented body
• C. Respiratory pattern
• D. Malpighian tubules

Answer 1

The correct option is B Segmented body

Cockroach belongs to phylum Arthropoda and earthworm belongs to phylum Annelida.

A. Cockroach blood is colourless and contains white corpuscles, while earthworms have red blood containing haemoglobin.

B. Both have segments in the body.

C. In cockroaches respiration occurs through spiracles, while in earthworms respiration occurs through moist skin.

D. Joint legs are characteristic of the phylum Arthropoda. Cockroaches have joints, while earthworms have legs that are absent.

So, the correct answer is 'Segmented body'.