Breathing and Exchange of Gases

Class 11 · Biology · 11 Questions

1intermediate💡 Understand2 marksShort Answer

Define vital capacity. What is its significance?

2beginner🧠 Remember1 markVery Short

State the volume of air remaining in the lungs after a normal breathing.

3intermediate💡 Understand2 marksShort Answer

Diffusion of gases occurs in the alveolar region only and not in the other parts of respiratory system. Why?

4intermediate💡 Understand5 marksLong Answer

What are the major transport mechanisms for CO₂? Explain.

5intermediate🔧 Apply1 markMCQ

What will be the pO₂ and pCO₂ in the atmospheric air compared to those in the alveolar air?

6intermediate💡 Understand5 marksLong Answer

Explain the process of inspiration under normal conditions.

7intermediate💡 Understand5 marksLong Answer

How is respiration regulated?

8intermediate💡 Understand2 marksShort Answer

What is the effect of pCO₂ on oxygen transport?

10beginner🧠 Remember1 markVery Short

What is the site of gaseous exchange in an insect?

11advanced🔍 Analyze3 marksLong Answer

Define oxygen dissociation curve. Can you suggest any reason for its sigmoidal pattern?

14intermediate🔧 Apply2 marksNumerical

What is Tidal volume? Find out the Tidal volume (approximate value) for a healthy human in an hour.