Gujarat Board Class XI Biology: Breathing and Exchange of Gases Online Test (Set 01 (Foundation Level))

Chapter Study Guide & In-Depth Notes

Master the key concepts, vocabulary, and high-yield questions before starting the test.

3 Sections

Chapter Overview & Core Concepts: Breathing and Exchange of Gases

Class 11 Study Guide

Mastering Breathing and Exchange of Gases in Class 11 provides critical subject intuition, analytical skills, and examination readiness.

Examinations test fundamental principles, definitions, cause-and-effect reasoning, and real-world applications under timed conditions.

Core Moral & Key Takeaway:

Grasping core concepts and practicing with timed chapter-wise CBT tests guarantees top performance in board exams.

Key Terminology, Definitions & Principles

Glossary & Concepts

Term / Formula	Type	Definition / Meaning	Explanation / Notes	Example / Usage
Core Concept	Principle	Primary concept governing Breathing and Exchange of Gases.	मुख्य सिद्धांत	"Understand and apply the principle accurately."
Analytical Deduction	Skill	Evaluating evidence to draw correct conclusions.	तार्किक विश्लेषण	"Examine question clues systematically."

Key Features & Devices Explored:

Systematic Elimination

Eliminate distractor choices before selecting the best answer.

Pacing & Accuracy

Complete each question within 60 seconds to maintain steady momentum.

High-Yield Revision Points & Solved Board Exam Q&A

Revision Notes

⚡ High-Yield Exam Takeaways:

Review all key textbook terms, definitions, and formulas.
Pay attention to units, boundary values, and key keywords in questions.
Solve Foundation Set 01 to build confidence, followed by Advanced Set 02 for exam excellence.

Frequently Asked Questions & Model Answers:

Q1 How should students prepare for Breathing and Exchange of Gases exams?

Answer: Read the chapter thoroughly, practice step-by-step solved examples, memorize key definitions, and evaluate preparation using timed online CBT mock tests.

Sample Questions Preview

Free Sneak Peek

Here is a sneak peek of the questions included in this test set. Test your preparation by viewing the answer and detailed explanation before starting the timed exam.

Q1

What are the standard RESPIRATORY VOLUMES in a healthy human adult: Tidal Volume (TV), Inspiratory Reserve Volume (IRV), Expiratory Reserve Volume (ERV), and Residual Volume (RV)?

સ્વસ્થ માનવ પુખ્ત વયના લોકોમાં RESPIRATORY VOLUMES પ્રમાણભૂત શું છે: ટાઇડલ વોલ્યુમ (TV), ઇન્સ\પાયરેટરી રિઝર્વ વોલ્યુમ (IRV), એક્સ\પિરેટરી રિઝર્વ વોલ્યુમ (ERV), અને શેષ વોલ્યુમ (RV)?

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C સ્વસ્થ પુખ્ત વયના લોકોમાં શું ધોરણ છે: વોલ્યુમ (TV), ઇન્સ\પાયરેટરી રિઝર્વ વોલ્યુમ (IRV), એક્સ\પિરેટરી રિઝર્વ વોલ્યુમ (ERV), અને શેષ વોલ્યુમ (RV)?

A

TV = 500 mL (~6000–8000 mL/min); IRV = 2500–3000 mL; ERV = 1000–1100 mL; RV = 1100–1200 mL (Residual Volume CANNOT be measured by spirometer) / TV = 500 mL (~6000–8000 mL/min); IRV = 2500–3000 mL; ERV = 1000–1100 mL; RV = 1100–1200 mL (Residual Volume CANNOT be measured by spirometer)TV = 500 mL (~6000–8000 mL/min); IRV = 2500–3000 mL; ERV = 1000–1100 mL; RV = 1100–1200 mL (શેષ વોલ્યુમ CANNOT s\pirometer દ્વારા માપવામાં આવે છે) / TV = 500 mL (~6000–8000 mL/min); IRV = 2500–3000 mL; ERV = 1000–1100 mL; RV = 1100–1200 mL (શેષ વોલ્યુમ CANNOT s\pirometer દ્વારા માપવામાં આવે છે)

B

TV = 2000 mL; IRV = 500 mL; ERV = 500 mL; RV = 100 mL / TV = 2000 mL; IRV = 500 mL; ERV = 500 mL; RV = 100 mLTV = 2000 mL; IRV = 500 એમએલ; ERV = 500 એમએલ; RV = 100 mL / TV = 2000 mL; IRV = 500 એમએલ; ERV = 500 એમએલ; RV = 100 mL

C

TV = 100 mL; IRV = 1000 mL; ERV = 2000 mL; RV = 3000 mL / TV = 100 mL; IRV = 1000 mL; ERV = 2000 mL; RV = 3000 mLTV = 100 mL; IRV = 1000 એમએલ; ERV = 2000 એમએલ; RV = 3000 mL / TV = 100 mL; IRV = 1000 એમએલ; ERV = 2000 mL; RV = 3000 mL

D

All volumes are equal to 500 mL / All volumes are equal to 500 mLબધા વોલ્યુમો 500 mL / બધા વોલ્યુમો 500 mL ની બરાબર છે

Correct Answer: Option A

Explanation:

Explanation: Standard respiratory volumes (NCERT): (1) Tidal Volume (TV): 500 mL (volume inspired/expired during normal respiration, 6000–8000 mL/min); (2) Inspiratory Reserve Volume (IRV): 2500–3000 mL (extra volume inspired by forceful inspiration); (3) Expiratory Reserve Volume (ERV): 1000–1100 mL (extra volume expired by forceful expiration); (4) Residual Volume (RV): 1100–1200 mL (volume remaining in lungs even after forceful expiration, preventing alveolar collapse; CANNOT be measured by spirometer).

સમજૂતી: Standard respiratory volumes (NCERT): (1) Tidal Volume (TV): 500 mL (volume inspired/expired during normal respiration, 6000–8000 mL/min); (2) Inspiratory Reserve Volume (IRV): 2500–3000 mL (extra volume inspired by forceful inspiration); (3) Expiratory Reserve Volume (ERV): 1000–1100 mL (extra volume expired by forceful expiration); (4) Residual Volume (RV): 1100–1200 mL (volume remaining in lungs even after forceful expiration, preventing alveolar collapse; CANNOT be measured by spirometer).

સ્પષ્ટીકરણ: માનક રેસ\પાયરેટરી વોલ્યુમ્સ (NCERT): (1) ટાઇડલ વોલ્યુમ (TV): 500 mL (વોલ્યુમ ins\pired/ex\Pired દરમિયાન સામાન્ય res\piration, 6000–8000 mL/min); (2) ઇન્સ\પાયરેટરી રિઝર્વ વોલ્યુમ (IRV): 2500–3000 mL (વધારાની વોલ્યુમ ins\forceful ins\piration દ્વારા પાયર્ડ); (3) એક્સ્\પાયરેટરી રિઝર્વ વોલ્યુમ (ERV): 1000–1100 એમએલ (વધારાની વોલ્યુમ એક્સ\ફોર્સફુલ એક્સ્પાયરેશન દ્વારા પાયર્ડ); (4) શેષ વોલ્યુમ (RV): 1100–1200 mL (બળતરા એક્સ્પાયરેશન પછી પણ ફેફસાંમાં વોલ્યુમ બાકી રહે છે, મૂર્ધન્ય પતન અટકાવે છે; CANNOT s\pirometer દ્વારા માપવામાં આવે છે). વોલ્યુમ (TV): 500 એમએલ (વોલ્યુમ ઇન્સ\પાયર્ડ/એક્સ\પાયર સામાન્ય રેસ\પાયરેશન દરમિયાન, 6000–8000 એમએલ/મિનિટ); (2) ઇન્સ\પાયરેટરી રિઝર્વ વોલ્યુમ (IRV): 2500–3000 mL (વધારાની વોલ્યુમ ins\forceful ins\piration દ્વારા પાયર્ડ); (3) એક્સ્\પાયરેટરી રિઝર્વ વોલ્યુમ (ERV): 1000–1100 એમએલ (વધારાની વોલ્યુમ એક્સ\ફોર્સફુલ એક્સ્પાયરેશન દ્વારા પાયર્ડ); (4) શેષ વોલ્યુમ (RV): 1100–1200 mL (બળતરા એક્સ્પાયરેશન પછી પણ ફેફસાંમાં વોલ્યુમ બાકી રહે છે, મૂર્ધન્ય પતન અટકાવે છે; CANNOT s\pirometer દ્વારા માપવામાં આવે છે).

Q2

What is VITAL CAPACITY (VC) and TOTAL LUNG CAPACITY (TLC) in pulmonary function testing?

પલ્મોનરી ફંક્શન ટેસ્ટીંગમાં VITAL CAPACITY (VC) અને TOTAL LUNG CAPACITY (TLC) શું છે?

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શું છે VITAL CAPACITY (VC) અને TOTAL TOTAL () માં કાર્ય પરીક્ષણ?

A

Both are equal to 500 mL / Both are equal to 500 mLબંને 500 mL / બંને 500 mL ની બરાબર છે

B

VC = ERV + TV + IRV (~4000–4600 mL); TLC = Total volume in lungs after maximum inspiration = VC + RV = ERV + TV + IRV + RV (~5000–6000 mL) / VC = ERV + TV + IRV (4000-4600 mL); TLC = VC + RV (5000-6000 mL) / VC = ERV + TV + IRV (~4000–4600 mL); TLC = Total volume in lungs after maximum inspiration = VC + RV = ERV + TV + IRV + RV (~5000–6000 mL) / VC = ERV + TV + IRV (4000-4600 mL); TLC = VC + RV (5000-6000 mL)VC = ERV + TV + IRV (~4000–4600 mL); TLC = મેક્સી\મમ ઇન્સપેરેશન પછી ફેફસામાં કુલ જથ્થા = VC + RV = ERV + TV + IRV + RV (~5000–6000 mL) / VC = ERV + ERV + 400 + 4006 mL); TLC = VC + RV (5000-6000 mL) / VC = ERV + TV + IRV (~4000–4600 mL); TLC = મેક્સી\મમ ઇન્સપેરેશન પછી ફેફસામાં કુલ વોલ્યુમ = VC + RV = ERV + TV + IRV + RV (~5000–6000 mL) / VC = ERV 3 + 32 + 4 (4000-4600 એમએલ); TLC = VC + RV (5000-6000 mL)

C

VC = TV + RV; TLC = IRV + ERV / VC = TV + RV; TLC = IRV + ERV

D

VC = TV only; TLC = ERV only / VC = TV only; TLC = ERV onlyVC = TV માત્ર; TLC = ERV માત્ર / VC = TV માત્ર; TLC = ERV માત્ર

Correct Answer: Option B

Explanation:

Explanation: Pulmonary capacities: (1) Inspiratory Capacity (IC) = TV + IRV (3000–3500 mL); (2) Expiratory Capacity (EC) = TV + ERV (1500–1600 mL); (3) Functional Residual Capacity (FRC) = ERV + RV (2100–2300 mL); (4) Vital Capacity (VC) = ERV + TV + IRV (maximum volume of air a person can breathe in after a forced expiration, ~4000–4600 mL); (5) Total Lung Capacity (TLC) = VC + RV = TV + IRV + ERV + RV (5100–5800 mL).

સમજૂતી: Pulmonary capacities: (1) Inspiratory Capacity (IC) = TV + IRV (3000–3500 mL); (2) Expiratory Capacity (EC) = TV + ERV (1500–1600 mL); (3) Functional Residual Capacity (FRC) = ERV + RV (2100–2300 mL); (4) Vital Capacity (VC) = ERV + TV + IRV (maximum volume of air a person can breathe in after a forced expiration, ~4000–4600 mL); (5) Total Lung Capacity (TLC) = VC + RV = TV + IRV + ERV + RV (5100–5800 mL).

સમજણ: પલ્મોનરી ક્ષમતાઓ: (1) ઇન્સ\પિરેટરી ક્ષમતા (IC) = TV + IRV (3000–3500 mL); (2) એક્સ\પિરેટરી ક્ષમતા (EC) = TV + ERV (1500–1600 mL); (3) કાર્યાત્મક અવશેષ ક્ષમતા (FRC) = ERV + RV (2100–2300 mL); (4) મહત્વપૂર્ણ ક્ષમતા (VC) = ERV + TV + IRV (મહત્તમ\મહત્તમ હવાનું જથ્થા જે વ્યક્તિ બળજબરીપૂર્વક સમાપ્તિ પછી શ્વાસ લઈ શકે છે, ~4000–4600 mL); (5) ફેફસાની કુલ ક્ષમતા (TLC) = VC + RV = TV + IRV + ERV + RV (5100–5800 એમએલ). (IC) = TV + IRV (3000–3500 mL); (2) એક્સ\પિરેટરી કેપેસિટી (EC) = TV + ERV (1500–1600 mL); (3) કાર્યાત્મક અવશેષ ક્ષમતા (FRC) = ERV + RV (2100–2300 mL); (4) મહત્વપૂર્ણ ક્ષમતા (VC) = ERV + TV + IRV (મહત્તમ\મમમ હવાની માત્રા જે વ્યક્તિ બળજબરીપૂર્વક સમાપ્તિ પછી શ્વાસ લઈ શકે છે, ~4000–4600 mL); (5) ફેફસાંની કુલ ક્ષમતા (TLC) = VC + RV = TV + IRV + ERV + RV (5100–5800 mL).

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Competitive Edge

Real-Time Clock Awareness & Pacing

समय प्रबंधन एवं गति नियंत्रण

In school examinations, students write answers without active pacing. In national entrance tests, students have barely 45-60 seconds per MCQ. Practicing with a 20-minute timer instills instinctive time-budgeting and prevents last-minute exam panic.

Mastery of the Elimination Technique

विकल्प निष्कासन विधि में दक्षता

Top rankers in competitive exams rarely compute every problem blindly. They spot subtle traps, evaluate extreme values, and eliminate 2 out of 4 distractors within seconds. Our 4-option sets teach critical distractor analysis.

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कंप्यूटर आधारित परीक्षा का सहज अभ्यास

Almost all major national exams (CUET, JEE, NEET, SSC, Banking) are 100% computer-based. Students who only study on paper experience eye strain and navigation mistakes on exam day. Early CBT practice creates effortless digital fluency.

Immunity to Negative Marking

सटीकता और नकारात्मक अंकन से सुरक्षा

Careless errors—such as misreading "NOT" or "EXCEPT"—ruin thousands of competitive aspirations each year. Regular objective testing builds the habit of double-checking question keywords before locking answers.

Instant Diagnostic Feedback Loop

तत्काल त्रुटि निवारण एवं आत्म-मूल्यांकन

Traditional paper tests take weeks to grade, by which time the student has forgotten their thought process. TargetExams provides instant scorecards and step-by-step solutions while the conceptual puzzle is still fresh.

Syllabus Concepts Evaluated in this Chapter

This test series specifically evaluates the core competencies and learning objectives outlined in the official syllabus:

Core definitions, fundamental theorems, and essential concepts of this chapter.
Step-by-step mathematical reasoning and deductive problem-solving.
Application of standard formulas and operations in real-world scenarios.
Critical examination of common exam pitfalls and misleading options.
Higher-order thinking skill (HOTS) questions to prepare for school examinations.
Speed and accuracy mastery under standard timed CBT exam conditions.

Exam Rules & Test Taking Guidelines

Total Questions: The test consists of exactly 20 objective type questions.
Time Allowed: 20 Minutes countdown timer begins as soon as the test launches.
Marking Scheme: +1.0 mark is awarded for each correct answer.
Zero Penalty: There is 0.0 negative marking for incorrect or unattempted questions.
Question Palette: Freely navigate between questions and flag questions for later review.
Review & Solutions: Access instant scorecard and full step-by-step solutions upon submission.

Frequently Asked Questions (FAQs)

Yes! Foundation Practice Set 01 for every chapter in Gujarat Board Class XI Biology is 100% free to attempt. Students can test their knowledge without any payment or hidden fees.

This page is dedicated to English Medium. You can also attempt this test in Hindi Medium by clicking the switcher at the top.

Absolutely. All 20 multiple-choice questions are strictly designed in line with the latest guidelines, covering both basic conceptual understanding and higher-order thinking skills.

The test contains 20 MCQs to be solved in 20 minutes. Each question carries +1.0 mark for a correct answer, and there is zero (0.0) negative marking for incorrect answers.

Yes. Immediately upon submitting your test, you receive a comprehensive performance summary including your total score, accuracy percentage, time spent per question, and full step-by-step explanations for all 20 questions.

Gujarat Board Class XI Biology: Breathing and Exchange of Gases Online Test (Set 01 (Foundation Level)) | TargetExams

Chapter Study Guide & In-Depth Notes

Chapter Overview & Core Concepts: Breathing and Exchange of Gases