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Chapters
1: The Living World
2: Biological Classification
3: Plant Kingdom
4: Animal Kingdom
UNIT II : STRUCTURAL ORGANISATION IN PLANTS AND ANIMALS
5: Morphology of Flowering Plants
6: Anatomy of Flowering Plants
7: Structural Organisation in Animals
UNIT III : CELL : STRUCTURE AND FUNCTIONS
8: Cell: The Unit of Life
9: Biomolecules
10: Cell Cycle and Cell Division
UNIT IV : PLANT PHYSIOLOGY
11: Photosynthesis in Higher Plants
12: Respiration in Plants
13: Plant Growth and Development
UNIT V : HUMAN PHYSIOLOGY
▶ 14: Breathing and Exchange of Gases
15: Body Fluids and Circulation
16: Excretory Products and their Elimination
17: Locomotion and Movement
18: Neural Control and Coordination
19: Chemical Coordination and Integration
![NCERT solutions for Biology [English] Class 11 chapter 14 - Breathing and Exchange of Gases - Shaalaa.com](/images/biology-english-class-11_6:90c1d99b6e7241348bfa9c22a43c2fb8.jpg "NCERT solutions for Biology [English] Class 11 chapter 14 - Breathing and Exchange of Gases")
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Solutions for Chapter 14: Breathing and Exchange of Gases
Below listed, you can find solutions for Chapter 14 of CBSE, Karnataka Board PUC NCERT for Biology [English] Class 11.
NCERT solutions for Biology [English] Class 11 14 Breathing and Exchange of Gases EXERCISES [Page 192]
Define the term Vital capacity.
What is the significance of vital capacity?
State the volume of air remaining in the lungs after a normal breathing.
Diffusion of gases occurs in the alveolar region only and not in the other parts of respiratory system. Why?
What are the major transport mechanisms for CO2? Explain.
What will be the pO2 and pCO2 in the atmospheric air compared to those in the alveolar air?
pO2 lesser, pCO2 higher
pO2 higher, pCO2 lesser
pO2 higher, pCO2 higher
pO2 lesser, pCO2 lesser
Explain the process of inspiration under normal conditions.
How is respiration regulated?
What is the effect of pCO2 on oxygen transport?
What happens to the respiratory process in a man going up a hill?
What is the site of gaseous exchange in an insect?
What is oxygen dissociation curve?
Can you suggest any reason for the sigmoidal pattern of the oxygen dissociation curve?"
Have you heard about hypoxia? Try to gather information about it, and discuss with your friends.
Distinguish between IRV and ERV.
Distinguish between inspiratory capacity and expiratory capacity.
Distinguish between Vital capacity and Total lung capacity.
What is tidal volume?
Find out the Tidal volume (approximate value) for a healthy human in an hour.
Solutions for 14: Breathing and Exchange of Gases
NCERT solutions for Biology [English] Class 11 chapter 14 - Breathing and Exchange of Gases
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Concepts covered in Biology [English] Class 11 chapter 14 Breathing and Exchange of Gases are Introduction of Breating and Exchange of Gases, Respiratory Organs, Human Respiratory System, Respiratory Volumes and Capacities, Exchange of Gases, Transport of Gases - Transport of Oxygen, Transport of Gases - Transport of Carbon Dioxide, Regulation of Breathing / Respiration, Disorders of Respiratory System, Breating and Exchange of Gases (Questions), Mechanism of Breathing, Introduction of Breating and Exchange of Gases, Respiratory Organs, Human Respiratory System, Respiratory Volumes and Capacities, Exchange of Gases, Transport of Gases - Transport of Oxygen, Transport of Gases - Transport of Carbon Dioxide, Regulation of Breathing / Respiration, Disorders of Respiratory System, Breating and Exchange of Gases (Questions), Mechanism of Breathing.
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