Class 11 · Zoology

Breathing and Exchange of Gases

11 topics — from Respiratory System: Upper Respiratory Tract through Respiratory System: Disorder-III. Expect about 3 questions in NEET — roughly 12 of 720 marks.

Updated 25 Aug 2026 11 topics Zoology · Class 11
In short

Breathing and Exchange of Gases is a Class 11 Zoology chapter covering 11 topics. Expect about 3 questions in NEET — roughly 12 of 720 marks.

11
Topics
In this chapter
3
Expected questions
≈ 12 of 720 marks
11
Class
Zoology
97
Chapters in the syllabus
16 in Zoology

Topics covered #

11 topics, in teaching order.

  1. Respiratory System: Upper Respiratory Tract
  2. Respiratory System: Trachea & Anatomy of Lung
  3. Respiratory System: Pulmonary Ventilation
  4. Respiratory System: Pulmonary Volumes & Capacities
  5. Respiratory System: Exchange of Gases
  6. Respiratory System: Transport of Gases Part 1
  7. Respiratory System: Transport of Gases Part 2
  8. Respiratory System: Regulation of Respiration
  9. Respiratory System: Disorder-I
  10. Respiratory System: Disorder-II
  11. Respiratory System: Disorder-III

Weightage #

Expect about 3 questions in NEET — roughly 12 of 720 marks.

3 of 180 questions · 12 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Zoology

← PreviousDigestion and Absorption

Frequently asked #

How many questions come from Breathing and Exchange of Gases in NEET?
About 3 questions — roughly 12 of the 720 marks available. It is a Class 11 Zoology chapter.
What topics does this chapter cover?
11 topics — from Respiratory System: Upper Respiratory Tract through Respiratory System: Disorder-III. The full list is above.
Where can I practise Breathing and Exchange of Gases?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.