Skip to learning content

Big goals. Small daily steps. Learn Biology & Life Sciences together.

Connect with Tutor Free ↗

Concrete LearningWe will learn together biology

Chapters Practice paths Our approach

Login Register for free

Let’s practise ↗

Chapters ↗Practice paths ↗Our approach ↗

Home/Human Physiology/MCQ

Class 11 · FREE BIOLOGY MCQ

Most carbon dioxide is transported in human blood as:

Concept check

Choose one answer

ADissolved carbon dioxideBCarbaminohaemoglobinCBicarbonate ionsDCarbonic acid

10 free questions remaining

More Human Physiology questions →

Stronger concepts. More confident learners.

connect@concretelearnings.com

Connect with Tutor Free Biology chapters & MCQs Class 11 & 12 practice paths Class 11 biology chapters Class 12 biology chapters Free NEET biology MCQs

© 2026 Concrete Learning. Keep learning.Original educational practice · Not affiliated with NTA