Class 11 Biology Breathing and Exchange of Gases MCQ Questions
MCQ Questions for Class 11 Biology Breathing and Exchange of Gases. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
Answers opened: 0
Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. O2 and CO2 transport
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Conducting vs respiratory part
D. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
Answer
C. Conducting vs respiratory part
Explanation
Conducting vs respiratory part. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Inspiration and expiration
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Chloride shift idea
Answer
A. Inspiration and expiration
Explanation
Inspiration and expiration. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Volumes: TV, IRV, ERV, RV
B. O2 and CO2 transport
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Write three points from Breathing and Exchange of Gases in your own words; that is enough for a short-answer start
Answer
B. O2 and CO2 transport
Explanation
O2 and CO2 transport. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
C. Chloride shift idea
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Chloride shift idea
Explanation
Chloride shift idea. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Volumes in the chapter Breathing and Exchange of Gases.
A. Volumes: TV, IRV, ERV, RV
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Mix MCQs with short answers so you remember both facts and explanations from Breathing and Exchange of Gases
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Volumes: TV, IRV, ERV, RV
Explanation
Volumes: TV, IRV, ERV, RV. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
B. Write three points from Breathing and Exchange of Gases in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Chloride shift idea
Answer
A. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
Explanation
Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q7MCQ1 markEasy
Choose the correct statement related to Textbook first in the chapter Breathing and Exchange of Gases.
A. The textbook says the opposite of this statement
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. Use the terms used in the NCERT book; do not replace them with unofficial names
Answer
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q8MCQ1 markEasy
Choose the correct statement related to Keywords in the chapter Breathing and Exchange of Gases.
A. Mix MCQs with short answers so you remember both facts and explanations from Breathing and Exchange of Gases
B. This happens only in a laboratory and never in daily life
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Explanation
Every chapter ends with keywords or a summary that is useful for one-mark answers. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Breathing and Exchange of Gases.
A. Write three points from Breathing and Exchange of Gases in your own words; that is enough for a short-answer start
B. This idea is not part of the NCERT chapter
C. Conducting vs respiratory part
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q10MCQ1 markModerate
Choose the correct statement related to Diagrams in the chapter Breathing and Exchange of Gases.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. The textbook says the opposite of this statement
C. Inspiration and expiration
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Explanation
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q11MCQ1 markEasy
Choose the correct statement related to Revision in the chapter Breathing and Exchange of Gases.
A. Write three points from Breathing and Exchange of Gases in your own words; that is enough for a short-answer start
B. Mix MCQs with short answers so you remember both facts and explanations from Breathing and Exchange of Gases
C. O2 and CO2 transport
D. This happens only in a laboratory and never in daily life
Answer
A. Write three points from Breathing and Exchange of Gases in your own words; that is enough for a short-answer start
Explanation
Write three points from Breathing and Exchange of Gases in your own words; that is enough for a short-answer start. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q12MCQ1 markEasy
Choose the correct statement related to Accuracy in the chapter Breathing and Exchange of Gases.
A. Chloride shift idea
B. This idea is not part of the NCERT chapter
C. Use the terms used in the NCERT book; do not replace them with unofficial names
D. Conducting vs respiratory part
Answer
C. Use the terms used in the NCERT book; do not replace them with unofficial names
Explanation
Use the terms used in the NCERT book; do not replace them with unofficial names. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Breathing and Exchange of Gases.
A. The textbook says the opposite of this statement
B. Volumes: TV, IRV, ERV, RV
C. Inspiration and expiration
D. Mix MCQs with short answers so you remember both facts and explanations from Breathing and Exchange of Gases
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Breathing and Exchange of Gases
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Breathing and Exchange of Gases. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q14MCQ1 markEasy
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Chloride shift idea
C. This happens only in a laboratory and never in daily life
D. Conducting vs respiratory part
Answer
D. Conducting vs respiratory part
Explanation
Conducting vs respiratory part. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q15MCQ1 markModerate
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Volumes: TV, IRV, ERV, RV
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Conducting vs respiratory part
D. Inspiration and expiration
Answer
D. Inspiration and expiration
Explanation
Inspiration and expiration. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q16MCQ1 markEasy
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Inspiration and expiration
C. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
D. O2 and CO2 transport
Answer
D. O2 and CO2 transport
Explanation
O2 and CO2 transport. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Chloride shift idea
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. O2 and CO2 transport
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Chloride shift idea
Explanation
Chloride shift idea. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q18MCQ1 markEasy
Choose the correct statement related to Volumes in the chapter Breathing and Exchange of Gases.
A. Volumes: TV, IRV, ERV, RV
B. Chloride shift idea
C. Write three points from Breathing and Exchange of Gases in your own words; that is enough for a short-answer start
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
A. Volumes: TV, IRV, ERV, RV
Explanation
Volumes: TV, IRV, ERV, RV. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q19MCQ1 markEasy
Choose the correct statement related to Breathing and Exchange of Gases in the chapter Breathing and Exchange of Gases.
A. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
B. This topic is only for college
C. Inspiration and expiration
D. Volumes: TV, IRV, ERV, RV
Answer
A. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
Explanation
Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q20MCQ1 markModerate
Choose the correct statement related to Textbook first in the chapter Breathing and Exchange of Gases.
A. Mix MCQs with short answers so you remember both facts and explanations from Breathing and Exchange of Gases
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Breathing and Exchange of Gases is an NCERT chapter taught in CBSE Class 11 Biology
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Biology · Chapter: Breathing and Exchange of Gases · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
How should I use the 100 questions?
Try the question first, then tap Show answer. Mix MCQs with long answers. Revise formulas and diagrams from the textbook alongside this set.
Where are NCERT solutions?
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-11/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “MCQ Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Today's 3-step path
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
