Access the latest CBSE Class 11 Biology Breathing And Exchange of Gases Worksheet Set C. We have provided free printable Class 11 Biology worksheets in PDF format, specifically designed for Chapter 14 Breathing and Exchange of Gases. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.
Chapter 14 Breathing and Exchange of Gases Biology Practice Worksheet for Class 11
Students should use these Class 11 Biology chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 14 Breathing and Exchange of Gases, to help you prepare for school tests and final examination. Regular practice of these Class 11 Biology questions will help improve your problem-solving speed and exam accuracy for the 2026 session.
Download Class 11 Biology Chapter 14 Breathing and Exchange of Gases Worksheet PDF
BREATHING AND EXCHANGE OF GASES
→ Very Short Answer Questions
1. Name the organ in human respiratory system which produces sound.
2. Give the name and function of a fluid filled double membranous layer which surrounds the lungs.
3. Name the types of respiratory organs in the following organisms:
a) Earthworms b) Insects c) Terrestrial organisms.
4. How many oxygen molecules can be carried out by one haemoglobin molecules.
5. Food or water does not normally enter the respiratory passage. Give reason.
6. Which organ of our respiratory system acts as primary site of exchange of gases?
7. Cigarette smoking causes emphysema. Give reason.
8. Write the function of pleural fluid.
9. Name the principle of exchange of gases.
10. Why does exchange of gases continue to occur in the lungs even if you hold your breath for 30 seconds.
11. Define the following: a) Tidal volume b) Residual volume c) Vital capacity d) Total lung capacity
→ Short Answer Questions
12. Enumerate the harmful effects of various occupational respiratory disorders. What precautionary measures should a person take to prevent such disorders?
13. Mention the partial pressure of oxygen and carbon dioxide at different parts involved in diffusion in comparison to those in atmosphere.
14. Explain the role of neural system in regulation of respiration in human.
15. Explain in brief the oxygen dissociation curve? Write its significance.
16. List the factors facilitating the formation of oxyhaemoglobin.
17. Differentiate between Vital capacity and Total lung capacity
18. Write the major transport mechanisms of oxygen and carbon dioxide in our body.
19. What are the two factors that contribute towards the dissociation of oxyhaemoglobin in the arterial blood to release molecular oxygen in an active tissue?
20. Enumerate the three major forms by which the carbon dioxide is carried in the blood.
Draw labeled diagrams of:
A) A section of an alveolus with a pulmonary capillary
B) Inspiration and Expiration
C) Human respiratory system.
D) Exchange of gases at the alveolus and the body tissues.
Please click on below link to download CBSE Class 11 Biology Breathing And Exchange of Gases Worksheet Set C
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More free study material for Biology
Chapter 14 Breathing and Exchange of Gases CBSE Class 11 Biology Worksheet
Students can use the Chapter 14 Breathing and Exchange of Gases practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 11 Biology. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.
NCERT Based Questions and Solutions for Chapter 14 Breathing and Exchange of Gases
Our expert team has used the official NCERT book for Class 11 Biology to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions which will help you to understand the best way to solve problems in Biology. You can get all this study material for free on studiestoday.com.
Extra Practice for Biology
To get the best results in Class 11, students should try the Biology MCQ Test for this chapter. We have also provided printable assignments for Class 11 Biology on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.
You can download the teacher-verified PDF for CBSE Class 11 Biology Breathing And Exchange of Gases Worksheet Set C from StudiesToday.com. These practice sheets for Class 11 Biology are designed as per the latest CBSE academic session.
Yes, our CBSE Class 11 Biology Breathing And Exchange of Gases Worksheet Set C includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 11.
Yes, we have provided detailed solutions for CBSE Class 11 Biology Breathing And Exchange of Gases Worksheet Set C to help Class 11 and follow the official CBSE marking scheme.
Daily practice with these Biology worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 11 students get more marks in CBSE exams.
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