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11th Standard Zoology - Respiration English Medium Free Online Test One Mark Questions 2020 - 2021

11th Standard

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Zoology

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Breathing is controlled by

    (a)

    cerebrum

    (b)

    medulla oblongata

    (c)

    cerebellum

    (d)

    pons

  2. During inspiration, the diaphragm

    (a)

    expands

    (b)

    unchanged

    (c)

    relaxes to become dome-shaped

    (d)

    contracts and flatten

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

    (a)

    vital capacity

    (b)

    tidal volume

    (c)

    residual volume

    (d)

    inspiratory reserve volume

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

    (a)

    more CO2 in the blood

    (b)

    more O2 in the blood

    (c)

    less CO2 in the blood

    (d)

    less O2 in the blood

  5. The ______________ lack cartilaginous rings.
    (i) Trachea (ii) Bronchi (iii) Bronchioles (iv) Alveoli

    (a)

    (a) i and iii

    (b)

    ii and iii

    (c)

    i, ii and iii

    (d)

    iii and iv

  6. An healthy human breathes ____________

    (a)

    12 - 16 times / minute

    (b)

    7 times / minute

    (c)

    2 times / second

    (d)

    20 times / minute

  7. One of the following is not a occupational respiratory disorder.

    (a)

    Silicosis

    (b)

    Asbestosis

    (c)

    Fibrosis

    (d)

    Emphysema

  8. When we go to hilly areas the kidney accelerates production of ______________

    (a)

    Adrenalin

    (b)

    Non adrenalin

    (c)

    Erythropoietin

    (d)

    Elastose

  9. Find the incorrect statement.

    (a)

    Gaseous exchange continues in the lungs because some air remains inside the lungs even after deepest exhalation

    (b)

    The blood is the tissue capillaries contains higher pO2 than tissue fluid.

    (c)

    Deoxygenation of blood promotes the release of carbon di oxide from the blood in the lungs.

    (d)

    All the above

  10. _________ is used to measure the volume of air involved in breathing movement for clinical assessment.

    (a)

    Sphygmomanometer

    (b)

    Clinical thermometer

    (c)

    Spirometer

    (d)

    Haemocytometer.

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