Define vital capacity. What is its signi | Class 11 Biology Chapter Breathing and Exchange of Gasses, Breathing and Exchange of Gasses NCERT Solutions

Current NCERT chapter

Academic session 2026-27, Chapter 14 in the current curriculum.

Welcome to the NCERT Solutions for Class 11 Biology - Chapter Breathing and Exchange of Gasses. This page offers a step-by-step solution to the specific question from Exercise 1, Question 1: Define vital capacity. What is its significance?. With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 1: Define vital capacity. What is its significance?
Answer:

Vital capacity is the maximum volume of air that can be exhaled after a maximum inspiration. It is about 3.5 – 4.5 litres in the human body. It promotes the act of supplying fresh air and getting rid of foul air, thereby increasing the gaseous exchange between the tissues and the environment.

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Comments

  • Shivani bajpei
  • Mar 15, 2020

The maximum volume of air a person can breathe in after a forced expiration this includes ERV ,TV and IRV for the maximum volume of air a person can breathe out after a forced inspiration

  • Shruti
  • Nov 17, 2019

Maximum amount of air that can be inhaled after a forced expiration

  • Aanshi jaiswal
  • Nov 05, 2019

Significance must be in points .....or in more detailed way .... Its easy to learn ..... But its just ok okk

  • Aanshi jaiswal
  • Nov 05, 2019

Significance must be in detail ....its easy to learn or be in points.... But it just ok ok

  • K
  • Aug 16, 2019

I don't understand its significance.

  • Ghanashyambora
  • Sep 21, 2018

Thank you sir for your answer

  • aasim
  • Aug 03, 2018

Can you tell me about its bad effect

  • Prachi
  • Mar 12, 2018

Good but have a doubt

  • Abhishek Kumar Agrahari
  • Dec 15, 2017

It have any bad effect also

  • Sayee Saran
  • Jun 22, 2016

Superb by the way....

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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 1: Define vital capacity. What is its significance?....

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