What are tracheal tubes in insects?

Type: MCQ • Marks: 1

A. Kidney tubes

B. Food pipes to stomach

C. Blood vessels only

D. Network of air tubes that carry oxygen directly to tissues

Explanation

Insects use tracheal tubes for gas exchange rather than lungs.

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!