Why must an earthworm’s skin remain moist?

Type: MCQ • Marks: 1

A. To digest food

B. To make it metallic

C. Gases dissolve in moisture before exchange

D. To produce wings

Explanation

Moist skin allows oxygen and carbon dioxide to diffuse effectively.

Want to attempt the full test series with a timer and instant score? Purchase the package to unlock the complete test. Purchase Now

Class 7th Curiosity

This page is indexed for search so students can find questions directly from Google.

Welcome to TutorWale!