1.

    Layer of uneven columnar cells from tracheal lining are composite

    A

    Brush border epithelium

    B

    Stratified epithelium

    C

    Pseudostratified epithelium

    D

    ciliated epithelium

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Epithelial tissue, Cell morphology, Tracheal lining

    Related Questions

    1.

    Given below is a list of some structures of human respiratory system in a box. Primary bronchi, Trachea, Terminal bronchiole, Respiratory bronchiole

    How many of them do not possess incomplete cartilaginous rings?

    A

    1

    B

    2

    C

    4

    D

    3

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Respiratory system anatomy, Cartilaginous rings, Bronchial tree structure

    2.

    Which of the following is the primary site of gaseous exchange in the human respiratory system?

    A

    Trachea

    B

    Bronchi

    C

    Alveoli

    D

    Larynx

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Gas exchange, Alveoli, Respiratory system

    3.

    Hiccups can be best described as

    A

    Forceful sudden expiration

    B

    Jerky incomplete inspiration

    C

    Vibration of the soft palate during breathing

    D

    Sign of indigestion

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Respiratory physiology, Anatomy of the throat

    4.

    Vocal cords occur in

    A

    Pharynx

    B

    Larynx

    C

    Glottis

    D

    Bronchial

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Anatomy, Respiratory System, Vocal Cords

    5.

    Identify the different parts of the respiratory system in accordance to their location given below

    I. Posterior part of the pharynx

    II. Present at the glottis

    III. In front of oesophagus

    Choose the correct option accordingly

    A

    I-Nasal cavity, II-Larynx, III-Bronchi

    B

    I-Nasopharynx, II-Epiglottis, III-Wind pipe

    C

    I-Glottis, II-Larynx, III-Trachea

    D

    I-Larynx, II-Epiglottis, III-Trachea

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Respiratory system anatomy, Pharynx, Glottis, Esophagus, Trachea, Epiglottis

    6.

    A patient with chronic obstructive pulmonary disease (COPD) experiences difficulty exhaling completely. Which of the following physiological changes is LEAST likely to contribute to this impaired exhalation?

    A

    Loss of elastic recoil in the lungs

    B

    Airway obstruction due to mucus and inflammation

    C

    Increased lung compliance

    D

    Collapse of smaller airways during exhalation

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :COPD, Exhalation, Lung Compliance, Elastic Recoil, Airway Obstruction

    7.

    Trachea is a straight tube extending up to the mid – thoracic cavity, which divides at the level of

    A

    fifth thoracic vertebra into right and left bronchi

    B

    third lumbar vertebra into right and left bronchi

    C

    fifth thoracic vertebra into right and left bronchiole

    D

    last thoracic vertebra into right and left bronchi

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Anatomy, Respiratory System, Trachea, Bronchi, Vertebral Column

    8.

    Lungs comprises

    A

    Network of bronchi

    B

    Bronchioles

    C

    Alveoli

    D

    All of these

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Respiratory System, Lung Anatomy

    9.

    Air entering the lungs is

    A

    Warm and filtered

    B

    Contains only oxygen

    C

    Cool and filtered

    D

    Enriched with CO2C{O_2} and NO2N{O_2}

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Respiratory System, Air Composition, Air Filtration, Body Temperature Regulation

    10.

    During strenuous exercise, a trained athlete can maintain a much higher alveolar ventilation compared to an untrained individual. Which physiological adaptation contributes LEAST to this enhanced ventilation?

    A

    Increased strength and endurance of respiratory muscles

    B

    Increased vital capacity

    C

    Increased diffusion capacity of the lungs

    D

    Increased residual volume

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Breathing And Exchange Of Gases
    🎯Topic:Human Respiratory System
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :Alveolar Ventilation, Exercise Physiology, Respiratory Muscles, Vital Capacity, Diffusion Capacity, Residual Volume

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