Topic Details (Notes format)

Respiratory System and Gas Exchange

Subject: General Science

Book: NCERT Biology Class 12

Study of oxygen and carbon dioxide transport in organisms.
- **Structure of Lungs and Alveoli**:
- Gas diffusion.
- **Mechanism of Breathing**:
- Inhalation and exhalation.
- **Respiratory Pigments**:
- Hemoglobin, myoglobin.

**Possible Exam Questions:**
1. Explain the mechanism of breathing in humans.
2. How is oxygen transported in the blood?
3. Discuss the role of hemoglobin in respiration.
4. What is the function of alveoli in the lungs?
5. Describe the effects of smoking on the respiratory system.

Practice Questions

Which organ in the human body produces bile?

View Question

What is the SI unit of power?

View Question

Which part of the human eye is responsible for focusing light on the retina?

View Question

What is the chemical symbol for gold?

View Question

Which part of the brain is responsible for balance and coordination?

View Question

What is the boiling point of water at standard atmospheric pressure?

View Question

Which particle is responsible for the negative charge of an atom?

View Question

What is the function of hemoglobin in the blood?

View Question

What is the smallest unit of life?

View Question

What is the most abundant gas in the Sun?

View Question