NEET UG (National Eligibility cum Entrance Test) · Biology · Chapter 17
Breathing and Exchange of Gases
Breathing and Exchange of Gases is a Std. XI Biology chapter in the NEET UG (National Eligibility cum Entrance Test) syllabus with 2.3% topic weightage. Includes chapter-mapped MCQs, previous-year coverage, and revision priorities.
Position in syllabus
Chapter 17
of 38 in Biology
Weightage
2.3%
of the Biology syllabus
Practice bank
220 MCQs
chapter-tagged, exam-aligned
Why Breathing and Exchange of Gases matters for NEET
Breathing and Exchange of Gases is a Std. XI Biology chapter in the NEET UG (National Eligibility cum Entrance Test) syllabus (17 of 38 in this subject). It carries 2.3% of the NEET UG (National Eligibility cum Entrance Test) Biology topic weightage. RankNiti currently tags 220 MCQs to this chapter. Most scoring happens when NCERT diagrams, definitions, and exception lines can be recalled under time — not when the chapter is only “read once.”
How to revise Breathing and Exchange of Gases
- Read the Std. XI NCERT/board chapter for Breathing and Exchange of Gases once for structure — headings, diagrams, and summary points — without stopping to memorise.
- On the second pass, close the book and write the diagram labels and exception lines from Breathing and Exchange of Gases, then check the textbook.
- Attempt a RankNiti chapter test for Breathing and Exchange of Gases and review every miss against the exact textbook line.
- In the week before a full NEET UG (National Eligibility cum Entrance Test) mock, only re-solve the questions you got wrong in Breathing and Exchange of Gases — do not reread the whole chapter unless accuracy is still low.
Common mistakes in Breathing and Exchange of Gases
- Highlighting Breathing and Exchange of Gases without reproducing diagrams from memory.
- Skipping NCERT summary and examplar-style assertion items until a full mock exposes them.
- Treating a high chapter score on an untimed quiz as exam-ready recall.
Frequently asked questions
Is Breathing and Exchange of Gases important for NEET UG (National Eligibility cum Entrance Test)?
Yes — Breathing and Exchange of Gases carries an official topic weightage of 2.3% in the NEET UG (National Eligibility cum Entrance Test) Biology syllabus, so it is a scoring chapter for aspirants targeting a top rank.
Which class is Breathing and Exchange of Gases from — Std. XI or Std. XII?
Breathing and Exchange of Gases appears in the Std. XI Biology syllabus for NEET UG (National Eligibility cum Entrance Test).
How many practice questions are available for Breathing and Exchange of Gases?
RankNiti's NEET UG (National Eligibility cum Entrance Test) question bank has 220 chapter-tagged MCQs for Breathing and Exchange of Gases, drawn from previous-year papers and Balbharati/NCERT-aligned drills.
How should I revise Breathing and Exchange of Gases for NEET UG (National Eligibility cum Entrance Test)?
Start with the Std. XI textbook chapter, list the sub-topics, then solve chapter-mapped MCQs on RankNiti in three rounds — first at your own pace, then timed, and finally under mock-test conditions. This is one of 38 chapters in the Biology syllabus, so budget time proportional to its weightage.