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11th Standard English Medium Biology (Zoology) Subject Respiration Creative 1 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. Choose the wrong statement
    During inspiration:

    (a)

    Diaphragm contracts

    (b)

    Sternum is pulled downward

    (c)

    Volume of thoracic chamber increases

    (d)

    External intercostal muscles contract

  2. Under normal conditions every 100mL of oxygenated blood can deliver about _____________ of oxygen to the tissues.

    (a)

    8 mL

    (b)

    5 ml

    (c)

    10 mL

    (d)

    50 mL

  3. Assertion (A): Larynx occurs in the upper part of neck.
    Reason (R): It is closed during swallowing process

    (a)

    A and R are right

    (b)

    A is right and R explains A

    (c)

    A and R are wrong

    (d)

    A is right R is wrong

  4. The tracheal tube of human is supported by ________

    (a)

    Bones

    (b)

    Cartilaginous rings

    (c)

    Tracheal filaments

    (d)

    Epiglottis.

  5. An average, a healthy human breathes ___________ times/minute.

    (a)

    12-16

    (b)

    13-17

    (c)

    12-18

    (d)

    10-16

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