Tamil Nadu Board of Secondary EducationHSC Science Class 11th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Zoology Answers Guide chapter 6 - Respiration [Latest edition]

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Class 11th Zoology Answers Guide - Shaalaa.com
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Chapter 6: Respiration

Evaluation
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Evaluation [Pages 108 - 109]

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Zoology Answers Guide Chapter 6 RespirationEvaluation [Pages 108 - 109]

Evaluation | Q 1. | Page 108

Breathing is controlled by ______.

  • cerebrum

  • medulla oblongata

  • cerebellum

  • pons

Evaluation | Q 2. | Page 108

Intercostal muscles are found between the ______.

  • vertebral column

  • sternum

  • ribs

  • glottis

Evaluation | Q 3. | Page 108

The respiratory structures of insects are ______.

  • tracheal tubes 

  • gills

  • green glands

  • lungs

Evaluation | Q 4. | Page 108

Asthma is caused due to ____________.

  • inflammation of bronchus and bronchioles

  • inflammation of bronchione

  • damage of diaphragm

  • infection of lungs

Evaluation | Q 5. | Page 108

The Oxygen Dissociation Curve is ______.

  • sigmoid

  • straight line 

  • curved

  • rectangular hyperbola

Evaluation | Q 6. | Page 108

The Tidal Volume of a normal person is ______.

  • 800 mL

  • 1200 mL

  • 500 mL

  • 1100 – 1200 mL

Evaluation | Q 7. | Page 108

During inspiration, the diaphragm ______.

  • expands

  • unchanged

  • relaxes to become domed–shaped.

  • contracts and flattens

Evaluation | Q 8. | Page 108

CO2 is transported through blood to lungs as ______.

  • carbonic acid

  • oxyhaemoglobin

  • carbamino haemoglobin

  • carboxy haemoglobin

Evaluation | Q 9. | Page 108

When 1500 mL air is in the lungs, it is called ______.

  • vital capacity

  • tidal volume

  • residual volume

  • inspiratory reserve volume

Evaluation | Q 10. | Page 108

Vital capacity is ______.

  • TV + IRV

  • TV + ERV

  • RV + ERV

  • TV + TRV + ERV

Evaluation | Q 11. | Page 108

After a long deep breath, we do not respire for some seconds due to ______.

  • more CO2 in the blood

  • more O2 in the blood

  • less CO2 in the blood

  • less O2 in the blood

Evaluation | Q 12. | Page 108

Which of the following substances in tobacco smoke damage the gas exchange system?

  • carbon monoxide and carcinogens

  • carbon monoxide and nicotine

  • carcinogens and tar

  • nicotine and tar

Evaluation | Q 13. | Page 108

Column I represents diseases and column II represents their symptoms. Choose the correctly paired option

Column I Column II
(P) Asthma (i) Recurring of bronchitis
(Q) Emphysema (ii) Accumulation of W.B.C in alveolus
(R) Pneumonia (iii) Allergy
  • P = iii, Q = ii, R = i

  • P = iii, Q = i, R = ii

  • P = ii, Q = iii, R = i

  • P = ii, Q = i, R = iii

Evaluation | Q 14. | Page 109

Which of the following best describes the process of gas exchange in the lungs?

  • Air moves in and out of the alveoli during breathing.

  • Carbon dioxide diffuses from deoxygenated blood in capillaries into the alveolar air.

  • Oxygen and carbon dioxide diffuse down their concentration gradients between blood and alveolar air.

  • Oxygen diffuses from alveolar air into deoxygenated blood.

Evaluation | Q 15. | Page 109

Make the correct pairs.

Column – I Column – II
(P) IC i. maximum volume of air breathe in after forced.
(Q) EC ii. Volume of air present after expiration in lungs.
(R) VC iii. Volume of air inhaled after expiration.
(S) FRC iv. Volume of air present after expiration in lungs.
  • P – i, Q – ii, R – iii, S – iv

  • P – ii, Q – iii, R – iv, S – i

  • P – ii, Q – iii, R – i, S – iv

  • P – iii, Q – iv, R – i, S – ii

Evaluation | Q 16. | Page 109

Make the correct pairs.

Column – I Column – II
(P) Tidal volume i. 1000 to 1100 ml
(Q) Residual volume ii. 500 ml
(R) Expiratory reserve volume iii. 2500 to 3000 ml
(S) Inspiratory reserve volume iv. 1100 to 1200 ml
  • P – ii, Q – iv, R – i, S – iii

  • P – iii, Q – ii, R – iv, S – i

  • P – ii, Q – iv, R – iii, S – i

  • P – iii, Q – iv, R – i, S – ii

Evaluation | Q 17. | Page 109

Name the respiratory organs of flatworm, earthworm, fish, prawn, cockroach and cat.

Evaluation | Q 18. | Page 109

Name the enzyme that catalyses the bicarbonate formation in RBCs.

Evaluation | Q 19. | Page 109

Air moving from the nose to the trachea passes through a number of structures. List in order of the structures.

Evaluation | Q 20. | Page 109

Which structure seals the larynx when we swallow?

Evaluation | Q 21. | Page 109

Resistance in the airways is typically low. Why? Give two reasons.

Evaluation | Q 22. | Page 109

How the body makes long-term adjustments when living in high altitude.

Evaluation | Q 23. | Page 109

Why is pneumonia considered a dangerous disease?

Evaluation | Q 24. | Page 109

Diffusion of gases occurs in the alveolar region only and not in any other part of the respiratory system. Discuss.

Evaluation | Q 25. | Page 109

Sketch a flow chart to show the path way of air flow during respiration.

Evaluation | Q 26. | Page 109

Explain the conditions which creates problems in oxygen transport.

Chapter 6: Respiration

Evaluation
Class 11th Zoology Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Zoology Answers Guide chapter 6 - Respiration

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Zoology Answers Guide chapter 6 (Respiration) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 11th Zoology Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 11th Zoology Answers Guide chapter 6 Respiration are Respiratory Functions, Respiratory Organs in Various Organisms, Breathing – Respiratory Cycle, Exchange of Gases, Transport of Gases, Regulation of Breathing, Disorders of Respiratory System, Problems in Oxygen Transport, Effects of Smoking.

Using Tamil Nadu Board Samacheer Kalvi Class 11th solutions Respiration exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 11th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

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